MESA AIR GROUP INC
10-K, 1998-01-13
AIR TRANSPORTATION, SCHEDULED
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-K


                  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                       OF SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended September 30, 1997                     Commission File
                                                                  Number 0-15495

                              MESA AIR GROUP, Inc.
             (Exact name of registrant as specified in its charter)

               Nevada                                         85-0302351
   (State or other jurisdiction of                         (I.R.S. Employer
    incorporation or organization)                        Identification No.)

 3753 Howard Hughes Parkway, Suite 200, Las Vegas                      89109
    (Address of principal executive offices)                       (Zip Code)

Registrant's telephone number, including area code:            (702) 892-3773

Securities registered pursuant to Section 12(b) of the Act:  None

Securities registered pursuant to Section 12(g) of the Act:

                           Common Stock, no par value
                                (Title of class)

Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the Registrant was
required to file such reports) and (2) has been subject to such filing
requirements for the past 90 days.

                                 Yes  x   No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

The aggregate market value of the voting stock held by non-affiliates of the
Registrant as of December 18, 1997:

                    Common Stock, no par value: $162,693,858

On December 18, 1997, the Registrant had outstanding 28,294,584 shares of Common
Stock.

                       DOCUMENTS INCORPORATED BY REFERENCE
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PART I

This Form 10-K includes certain forward-looking statements and information based
on management's beliefs as well as on assumptions made by and information
currently available to management. When used in this Form 10-K, the words
"expect," "anticipate," "intend," "plan," "believe," "seek," "estimate," and
similar expressions are intended to identify such forward-looking statements.
However, this Form 10-K also contains other forward-looking statements. Such
statements are not guarantees of future performance and involve certain risks,
uncertainties and assumptions which could cause the Company's future results to
differ materially from those expressed in any forward-looking statements made by
or on behalf of the Company. Many of such factors are beyond the Company's
ability to control or predict. Readers are cautioned not to put undue reliance
on forward-looking statements. The Company disclaims any intent or obligation to
update publicly any forward-looking statements, whether as a result of new
information, future events or otherwise. See, "FORWARD-LOOKING STATEMENTS."


Item 1.       Business

GENERAL

Mesa Air Group, Inc. and its subsidiaries (collectively referred to herein as
"Mesa" or the "Company") is an independently owned regional airline serving 168
cities in 31 states and the District of Columbia. Mesa has a fleet of 186
aircraft with approximately 1,700 daily departures.

Mesa operates a regional airline utilizing a hub-and-spoke system under
code-sharing agreements with America West Airlines, Inc. ("America West"),
United Airlines, Inc. ("UAL") and US Airways, Inc. ("US Airways"). Mesa
Airlines, Inc. ("MAI"), a wholly owned subsidiary of the Company, also operates
an independent division, "Mesa Airlines," primarily from hubs in Albuquerque,
New Mexico and Fort Worth, Texas.

Mesa's long-term business strategy is to achieve sustained, profitable growth by
utilizing its fleet of regional aircraft and focused operating strategies to
service routes not generally served by major air carriers. Mesa implements its
strategy by carefully evaluating market demand on the routes it serves and
utilizes its fleet of aircraft to meet that demand. In addition, Mesa is able to
expand the markets it serves under its subsidiaries' existing code-sharing
agreements with the major air carriers listed above to benefit from the name
recognition, reservation systems, marketing and promotional efforts of these
carriers. Mesa also utilizes a fleet of new and efficient aircraft and performs
most maintenance and overhaul work at its own facilities. Mesa seeks to maximize
gross revenues by managing its fares and flight schedules to maximize revenue
per available seat mile and by developing new markets.

The Company's subsidiaries are expanding operations under the independent
division "Mesa Airlines" and as AmericaWest Express and US Airways Express by
adding a fleet of 50-seat Canadair Regional Jets ("CRJ") to operate in longer
range, low density markets that would not be profitable for airlines operating
larger aircraft.


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CORPORATE STRUCTURE

The Company is a Nevada corporation which owns MAI, a Nevada corporation and
certificated air carrier; WestAir Holding, Inc., a California corporation and
owner of certificated air carrier WestAir Commuter Airlines, Inc. ("WestAir");
Air Midwest, Inc., a Kansas corporation and certificated air carrier ("Air
Midwest"); and various non-airline operations which include:

- -    MPD, Inc., a Nevada corporation dba Mesa Pilot Development, which operates
     the Company's ab initio pilot training program.

- -    Regional Aircraft Services, Inc., a California corporation owned by WestAir
     Holdings, Inc., performs component overhaul and repair services.

- -    FCA, Inc., a Nevada corporation dba Four Corners Aviation, a fixed-base
     operation at Farmington, New Mexico.

- -    Mesa Leasing, Inc. a Nevada corporation established to assist the Company
     in the acquisition and leasing of aircraft.

- -    MAGI Insurance, Ltd., a Barbados, West Indies based insurance company
     established for the purpose of attaining more favorable insurance rates.

During 1997, the Company centralized flight operations, dispatch and maintenance
control for MAI in Farmington, New Mexico. Most of the Company's accounting
functions were consolidated in Farmington, New Mexico in July 1997.


OPERATIONS

The Company's subsidiaries operate approximately 1,700 daily departures
throughout the United States as AmericaWest Express, Mesa Airlines, United
Express and US Airways Express by code-share and region as follows:

AMERICAWEST EXPRESS

Southwest:    17 destinations out of its Phoenix system

MAI operates 134 weekday departures out of the Phoenix system utilizing 15
aircraft: 12 Beechcraft 1900D 19-seat aircraft and three 50-seat CRJ aircraft.
Beginning December 17, 1997 MAI added one Dash 8-200 to the AmericaWest Express
operation serving Grand Junction and Aspen, Colorado from Phoenix, Arizona.

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MESA AIRLINES

Southwest:    12 destinations out of its Albuquerque system

Flying under its own colors as "Mesa Airlines," MAI has 49 weekday departures
utilizing eight Beech 1900D aircraft.

              5 destinations out of its Fort Worth system

During May 1997, MAI began service utilizing CRJs from Meacham International
Airport in Forth Worth, Texas to destinations throughout Texas. MAI has 24 daily
departures utilizing two aircraft.

Southeast:    3 destinations out of Nashville

On July 14, 1997, MAI began service utilizing two Beechcraft 1900D aircraft from
the Nashville International Airport with eight departures between Nashville and
Tupelo, Little Rock and Wichita. MAI provides service between Colorado Springs,
Colorado and Nashville, Tennessee utilizing one CRJ aircraft.

UNITED EXPRESS

Rocky Mountains:     27 destinations out if its Denver system

MAI serves the Southwest and Rocky Mountain regions with 210 weekday departures,
utilizing 14 Beech 1900D aircraft and twelve 37-seat Dash 8-200 aircraft.

California:   8 destinations out of Los Angeles, 19 destinations out of San
              Francisco and other northern California cities

WestAir operates 114 weekday departures out of Los Angeles and 244 weekday
departures from San Francisco, utilizing twenty-one 19-seat British Aerospace
Jetstream 31 aircraft and nineteen 30-seat Embraer Brasilia aircraft.

Pacific Northwest:   8 destinations out of its Portland and Seattle systems

MAI operates 151 weekday departures in the Northwest, utilizing 14 Beech 1900D
aircraft.

US AIRWAYS EXPRESS

Northeast:    8 destinations out of Boston, 6 destinations out of New York and
              2 destinations out of Baltimore

MAI operates 112 weekday departures out of Boston, New York and Baltimore to
cities in Massachusetts, Maine, New Hampshire, Connecticut and Pennsylvania,
utilizing 10 Beech 1900D aircraft.

Mid-Atlantic:       13 destinations out of its Philadelphia system and 17 out of
                    its Pittsburgh system 

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MAI serves the Mid-Atlantic states with 256 weekday departures, utilizing 28
Beech 1900D aircraft.

Southeast:    6 destinations out of Tampa, 7 destinations out of Orlando and 7
              destinations out of New Orleans

MAI has 163 weekday departures in the states of Florida, Alabama and North
Carolina and 55 weekday departures out of New Orleans, utilizing 18 Beech 1900D
aircraft and nine Embraer Brasilia aircraft.

Central:      17 destinations out of its Kansas City system

Air Midwest operates 150 weekday departures out of Kansas City, utilizing 12
Beech 1900D aircraft.



                                   MESA AIRCRAFT BY HUB AS OF SEPTEMBER 30, 1997



<TABLE>
<CAPTION>
                                BEECH         EMB-
                                 1900         120          DASH 8       J31         CRJ
                                --------------------------------------------------------
<S>                             <C>           <C>          <C>          <C>         <C>

       Denver                     14                        12

       Los Angeles                              4                         9

       San Francisco                           15                        12

       Portland/Seattle           14

       Boston                     10

       Philadelphia               14

       Pittsburgh                 14

       Tampa/Orlando              12            9

       New Orleans                 6

       Kansas City                12

       Phoenix                    12                                                   3

       Fort Worth                                                                      2

       Albuquerque                 8

       Nashville                   2

            TOTAL:               118           28           12           21            5
</TABLE>

In addition to carrying passengers, Mesa carries freight and express packages on
its passenger flights and has interline small cargo freight agreements with
virtually all other carriers. Mesa has contracts with the U.S. Postal Service
for hauling mail by air to the cities it serves and occasionally operates
charter flights when aircraft are not otherwise utilized for scheduled service.
MAI also owns and operates MPD, Inc., providing flight training as "Mesa Pilot
Development" in coordination with San Juan College in Farmington, New Mexico.
MAI owns FCA, Inc., a fixed base operator located in Farmington, New Mexico
which operates as Four 

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Corners Aviation. Another subsidiary, Regional Aircraft Services, Inc., performs
component overhaul and repair services at a facility in Reading, Pennsylvania.
Desert Turbine Services, based in Farmington, New Mexico, provides power plant
and component repair, maintenance and overhaul services for MAI's airline
subsidiaries.


CODE-SHARING RELATIONSHIPS

Approximately 96 percent of Mesa's consolidated revenues are derived from
operations associated with code-sharing agreements with America West, UAL and US
Airways. These code-sharing agreements allow use of the code-sharing partner's
reservation system and flight designator code to identify flights and fares in
the computer reservation system, permit use of the logo, service marks, exterior
aircraft paint schemes, and uniforms similar to the code-sharing partners', and
provide coordinated schedules and joint advertising. Mesa's passengers receive
mileage credits in the respective frequent flyer programs, and credits in those
programs can be used on Mesa's flights.

The Company's subsidiaries have one code-sharing agreement with America West,
two separate code-sharing agreements with UAL and four separate code-sharing
agreements with US Airways. Renewal of one code-sharing agreement with a
code-sharing partner does not guarantee the renewal of any other code-sharing
agreement with the same code-sharing partner.

The code-sharing agreements provide for terms of 10 years for America West
(expiring in 2004), five to 10 years for UAL (the WestAir agreement expires in
May 1998 in certain markets in the Los Angeles, San Francisco, Portland and
Seattle hubs and the MAI agreements expire in 2005 in the Denver hub and certain
markets in Los Angeles, Portland and Seattle hubs) and five to 10 years for US
Airways ( Air Midwest expires in 2000 in the Kansas City hub, and the various
MAI agreements expire in 2003 in Pittsburgh and for the new CRJ service
(described below) and 2004 in the New Orleans, Boston, Philadelphia, Tampa and
Orlando hubs). Although the provisions of the agreements vary, generally they
are subject to cancellation should the Company's subsidiaries fail to meet
certain operating and performance standards, the breach of other contractual
terms and conditions, and, in the case of the US Airways code-sharing agreements
(other than the new CRJ service agreement described below), upon six months'
notice by either party. Certain fee per departure markets with UAL (Portland and
Seattle) permit cancellation upon 90 days' written notice by either UAL or
MAI/WestAir. The code-sharing agreement between MAI and UAL which expires in
2005 prohibits MAI from entering into any new code-sharing agreement relating to
services to and from Denver, Chicago, Washington, D.C., Los Angeles, Portland,
San Francisco or Seattle. Other than the code-sharing agreement with UAL, which
restricts UAL from competing with MAI in certain markets by aircraft with less
than 101 seats of capacity, the code-sharing agreements do not prohibit the
major carrier from serving routes served by the various subsidiaries of the
Company. The code-sharing agreements contain varying provisions allowing the
Company's partners to terminate the agreements upon certain potential
operational or "change in control" events. The UAL code-sharing agreements
require MAI and WestAir to provide notice and a right of first refusal to UAL
for (i) any merger, (ii) any sale, acquisition, or purchase of the assets or
aircraft materially affecting operations, or (iii) any sale, acquisition, or
purchase of five percent or more of the voting stock not made upon the open
market or pursuant to a public offering. The UAL agreement with MAI further
provides that UAL may terminate the code-sharing agreement upon the completion
of a hostile takeover of Mesa that will result in a material change in the
senior

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management. The agreements with US Airways provide US Airways may terminate its
code-sharing agreement upon a change in control of the Company consisting of not
less than 51 percent of the outstanding voting stock or a replacement of 50
percent or more of the members of the Board of Directors. A termination or
expiration without renewal of any code-sharing agreements with America West, UAL
or US Airways would have a material adverse effect on the Company's business.
See, "United Airlines, Inc." below and "MANAGEMENT'S DISCUSSION AND ANALYSIS --
Revenue and Expense Comparison-Fiscal 1997 versus Fiscal 1996; Liquidity and
Capital Resources" sections for discussion of the effect of the expiration of
the WestAir code-sharing agreement with UAL, the termination of certain fee per
departure markets and the related effects to the Denver system.

In November 1997, MAI entered into a new code-sharing agreement with US Airways
to provide CRJ service between various domestic city pairs. The CRJ code-sharing
agreement terminates five years after CRJ service first begins but is subject to
earlier termination by US Airways in the event (i) certain performance
requirements are not met and remain uncured for 90 days or (ii) without cause on
a "per aircraft basis" three years after such aircraft have been installed in
the system upon 180 days' notice. In addition, payments to MAI are based on
operating performance goals and may be increased or decreased based on actual
results.

AMERICA WEST AIRLINES, INC.

The Company operates 15 of its fleet of 186 aircraft as AmericaWest Express out
of a hub in Phoenix, Arizona under a code-sharing agreement which expires in
2004. The AmericaWest Express operation represents approximately 16% of the
available seat mile capacity (ASMs) and approximately 11% of revenue generated
by the Company. On December 17, 1997 the Company added a Dash 8-200 aircraft to
the AmericaWest Express system to serve the markets of Grand Junction and Aspen,
Colorado from Phoenix. Deployment of the CRJ aircraft in the AmericaWest Express
system has exceeded management's expectations and the Company is discussing the
possibility of allocating additional CRJ aircraft to the AmericaWest Express
system with the management of America West. Allocation of additional CRJ
aircraft is a forward looking statement and is subject to change depending,
among other factors, on the availability of CRJ aircraft from the manufacturer
or other regions of the country, the willingness of management of America West
to agree to deployment of additional aircraft, and changes in competitors'
routes.

UNITED AIRLINES, INC.

The Company operates 80 of its fleet of 186 aircraft as United Express under two
code-sharing agreements with UAL. One agreement, which covers the Denver
operation and approximately half of the operations in Los Angeles, Portland and
Seattle, is with MAI and expires in 2005. The second agreement, with WestAir,
expires on May 31, 1998. The United Express operation represents approximately
44 percent of the available seat mile (ASM) capacity and 48 percent of revenue
generated by the Company. United Express ASMs are distributed approximately as
follows: California system, 42%; Denver system, 45%; and Pacific Northwest
system, 13%.

WestAir Code-Sharing Agreement:

In July 1997, WestAir received a proposal from UAL for the extension of
WestAir's code-sharing agreement which is due to expire on May 31, 1998. The
proposal contained certain 

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material amendments to the existing code-sharing agreement. The Company did not
accept this proposal because it provided for significant cost increases and did
not include certain changes to the proposal requested by the Company. Management
continued to negotiate for improvements to the proposal.

On July 22, 1997, UAL awarded WestAir's eight Los Angeles contract markets to
Skywest Airlines, effective October 1, 1997. UAL subsequently granted additional
pro-rate markets to WestAir, sufficient to utilize the aircraft previously
serving the eight Los Angeles system contract markets. There was no material
cost of transition to these new pro-rate markets and the new pro-rate markets
are attaining similar financial results as the discontinued contract markets.
The Company is in litigation to resolve UAL's unilateral termination of
WestAir's contract markets in the Los Angeles area. See, "Item 3. Legal
Proceedings."

In late November 1997, WestAir received written notice from UAL that WestAir's
code-sharing agreement would not be renewed. Since November 1997, management has
on repeated occasions sought a reconsideration of UAL's decision not to renew
the WestAir code-sharing agreement. At a meeting on January 6, 1998, UAL
confirmed that it will not reconsider renewing WestAir's code-sharing
agreement upon its expiration. WestAir will have significant assets in excess of
its needs upon expiration of the agreement on May 31, 1998. Accordingly, by
resolution of the Board of Directors on January 10, 1998, the Company has
recognized a loss provision to provide for the cost of discontinuation of
WestAir operations. The provision includes the cost to retire or sell aircraft,
for the sale of parts and equipment, and for employee severance and other costs.
See, "MANAGEMENT'S DISCUSSION AND ANALYSIS -- Revenue and Expense
Comparison-Fiscal 1997 versus Fiscal 1996; Liquidity and Capital Resources" for
a further discussion of the loss provision.

Denver System:

MAI incurred a substantial operating loss in the Denver system for fiscal year
1997. Among the factors contributing to the loss were the significant increases
in airport costs related to the new Denver International Airport ("DIA") and a
20 percent decrease in the average connecting fare received from UAL.

In late September 1997, management began a reduction of service in some markets
and gave notice to UAL of its intent to terminate service in other markets. UAL
responded by asserting that MAI's past and proposed termination of service was a
"material default" under the code-sharing agreement, requested an increase in
service in certain markets, and claimed damages and remedies, including
termination of the code-sharing agreement. The Company has responded to UAL,
noting that the Denver code-sharing agreement allows MAI to terminate service in
an unprofitable market, but gives UAL the right to place another carrier into
any market in which MAI terminates service on the same terms and conditions as
originally offered to MAI. In the opinion of Mesa's management, there is no
requirement that MAI continue to serve unprofitable markets or that MAI provide
the additional service requested by UAL. Management of UAL does not agree with
interpretation of the code-sharing agreement and believes it can terminate the
Denver code-sharing agreement as a result of MAI's reduction of service to
certain markets. On January 6, 1998, UAL informed the Company that it will not
provide any increases in Denver system connecting fares or permit MAI to
decrease its level of Denver system service. As a result of UAL's decision not
to assist the Company in connection with improving operations in its Denver
system, on January 10, 1998, the Board of Directors resolved that the Company


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recognize a loss provision for impairment of the $26.3 million Denver system
intangible asset currently remaining on the Company's financial statements at
September 30, 1997 and provide for the other costs of restructuring the
Company's Denver operations.

Mesa's relationship with UAL is poor and if a resolution of the level of service
to be provided in the Denver market is not attained, UAL may unilaterally cancel
the Denver code-sharing agreement and award the routes to another carrier.
Interpretation of the Denver code-sharing agreement may require judicial
resolution and subject the Company to a risk that UAL's interpretation of the
code-sharing agreement prevails. Regardless of whether the interpretation of the
Denver code-sharing agreement is favorably resolved, it is unlikely that MAI
will operate in the Denver market through 2005. As a result, the Company
believes it will ultimately dispose of its Denver operations by transfer or sale
to another airline. See, "Airline Operations" for a further discussion of the
impact of aircraft relocation, sale and removal from service. See, "MANAGEMENT'S
DISCUSSION AND ANALYSIS -- Revenue and Expense Comparison-Fiscal 1997 Versus
Fiscal 1996; Liquidity and Capital Resources" for a discussion of the loss
provision related to the Denver operations. If UAL were successful in
unilaterally cancelling the Denver code-sharing agreement and awarded the routes
to another carrier, losses in excess of the amounts accrued at September 30,
1997 would probably be incurred.

Fee Per Departure Markets:

Under the MAI and WestAir code-sharing agreements with UAL, most markets provide
revenue sharing based on an allocation of fares between UAL and the Company
("pro-rate markets"). However, an increasing portion of United Express routes in
the Pacific Northwest and Los Angeles have become "contract markets" operated on
a fee per departure basis. Certain of these markets may be terminated upon 90
days' notice by either UAL or MAI/WestAir. On January 8, 1998, the Company
received written notice that UAL is terminating all of the "contract" markets in
the Pacific Northwest effective September 30, 1998. As a result of this
termination, MAI will have 13 Beech 1900D aircraft which are anticipated to be
in excess of its operating needs. Management believes it can dispose of all of
the 13 Beech 1900D aircraft. A portion of the loss provision described in
"MANAGEMENT'S DISCUSSION AND ANALYSIS -- Revenue and Expense Comparison-Fiscal
1997 Versus Fiscal 1996; Liquidity and Capital Resources" has been recorded as a
result of the termination of those "contract" markets. Management's belief that
it can dispose of all of the 13 Beech 1900D aircraft is a forward-looking
statement and is contingent on the market for surplus aircraft, demand for the
1900D aircraft in particular, and general economic conditions.

USAIRWAYS, INC.

As previously reported, in early 1997 US Airways notified the Company that it
desired to amend the code-sharing agreements between the Company and US Airways
to decrease the Company's share of joint fares by approximately three percent.
Negotiations between the Company and US Airways have resulted in a resolution
which is expected to result in no decrease in the US Airways Express share of
joint fares. US Airways Express currently represents approximately 35 percent of
the available seat mile (ASM) capacity and 37 percent of revenue generated by
the Company.

Temporary flight crew shortage and scheduling difficulties relating to the
centralization of operations required under MAI's September 1996 Consent Order
with the Federal Aviation 

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Administration ("FAA") have resulted in excessive flight cancellations and poor
on-time performance under the MAI operating certificate, particularly in the US
Airways Express system. (Flight operations under the Company's Air Midwest and
WestAir operating certificates have remained at their historic level of
reliability.) Management believes that the MAI flight crew shortages and
scheduling problems created by centralization of flight operations will be
resolved during the second quarter of the 1998 fiscal year.

Beginning in October 1997 and continuing through January 12,1998, MAI has, at US
Airways' request, periodically removed aircraft from scheduled service to
alleviate crew shortages. On January 12, 1998, MAI had a total of ten 1900D
Beech aircraft removed from service. After the Company's temporary crew shortage
is alleviated, it is the intention of the Company to phase-in the return of the
grounded aircraft to revenue service. Management believes that it will be able
to return these aircraft to service within the US Airways system, although some
of the canceled routes have been awarded to other carriers and there is a risk
that sufficient markets may not exist to profitably return all the aircraft to
service. See, "Employees."

Management's belief that its temporary crew shortage can be alleviated in the
second quarter of fiscal 1998 and that flight operation performance will improve
when the temporary crew shortages are alleviated thereby permitting a phase-in
of grounded aircraft to revenue service are forward-looking statements. Actual
performance could differ materially from the forward looking statement caused by
a continuing shortage of qualified pilots and aircraft dispatchers, the failure
to develop an adequate crew scheduling system, competitors' receipt of MAI's
canceled routes, and other factors.


THE REGIONAL AIRLINE MARKET

The U.S. regional airline industry remains strong, continuing a trend that began
more than a decade ago. In 1996 the industry transported 11 percent of all
commercial airline passengers in the United States. Regional airline passenger
enplanements increased 8.3 percent to almost 62 million in 1996, with the
average industry load factor at its highest level in history: 52.98 percent.

The vast majority of North American airports receive air service from regional
carriers. Airports served by the industry in North America totaled 782 in 1996,
with 71 percent of these communities depending exclusively on regional airlines
for access to the U.S. air transportation system.

The hub-and-spoke system, the cornerstone of the American air transportation
network, continues to work successfully due, in part, to the essential role
played by code-sharing regional airlines. In 1996, thirty-five of the nation's
top 50 regional air carriers used the two-letter designator code of a major or
national airline to list their flights. In 1996, 95 five percent of the
industry's passengers were transported by code-sharing regional airlines.

On March 20, 1997, the regional airline industry achieved one of the most
important milestones in the history of the industry: the transition for aircraft
with 10 to 30 seats to FAR Part 121, the operating standards that previously
governed aircraft with 31 or more seats. The regional airlines recorded this
achievement while attaining growth in passenger enplanements and revenue
passenger miles as well as continuing their excellent safety record.

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INDUSTRY GROWTH

Since 1986, passenger enplanements have grown from 33.5 million to 61.9 million
in 1996. Revenue passenger miles have increased similarly from 4.47 billion to
14.22 billion over the same period. The number of aircraft operated by regionals
in 1986 was 1,806 compared to 2,127 in 1996. This growth is expected to continue
with the Regional Aircraft Association forecasting for 2,700 regional aircraft
by 2005 with most of the growth originating in the 30- to 50-seat segment. More
modern, sophisticated and faster aircraft are added to the regional airline
fleet each year.

Regional carriers continue to rely on 19-seat aircraft for a significant portion
of airline service. In 1996 there were 565 aircraft in this category. The
19-seat aircraft flew 12.9 percent of the industry's revenue passenger miles in
1996. Aircraft with 20-30 seats flew 20 percent, while aircraft in the 31- to
40-seat category flew 29.8 percent. Aircraft with more than 41 seats flew 19.7
percent of revenue passenger miles. The average seating capacity of aircraft
used by regional carriers increased from 24.6 seats per airplane in 1995 to 25.1
seats per airplane in 1996.

MARKET FACTORS

The key factors supporting the regional airline market are:

- -    Service in low-density markets which remain unattractive to major airlines
     and low-fare carriers;

- -    Relationships with the major airlines, operating feeder service to hubs for
     connecting passengers under code-sharing arrangements;

- -    Allocation of new-generation, lower-cost turboprop aircraft to routes that
     were traditionally jet routes;

- -    Ability to provide complementary service in existing major airline markets
     by operating flights in scheduling gaps between those of the major air
     carrier; and

- -    Lower costs than a major airline operating a similar route due to lower
     wages, more flexible work rules and more suitable aircraft for that
     particular route.


CORPORATE STRATEGY

Mesa's long business strategy is to operate a competitive and profitable,
high-frequency, quality-service airline, primarily with a hub-and-spoke route
system. The strategy is implemented through a disciplined approach to the
regional airline business which incorporates (i) the previously discussed
regional diversification, (ii) a focus on profitable markets, (iii) consolidated
operations, and (iv) a modern, efficient aircraft fleet that positions the
airline to be able to capitalize on future growth opportunities.

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<PAGE>   12
Mesa's market selection process follows an in-depth analysis on a route-by-route
basis. Agreement is then reached where appropriate with Mesa's code-share
partners regarding the level of service and fares. This selection process
enhances the likelihood of profits in a given market.


AIRLINE OPERATIONS

In 1997, Mesa completed the consolidation and centralization of the dispatch,
flight operations and maintenance functions of its MAI operations in Farmington,
New Mexico. The consolidation plan was prompted by an agreement with the FAA,
plans for future company expansion and conversion from an FAR Part 135 to an FAR
Part 121 air carrier. Headquarters for its WestAir and Air Midwest subsidiaries
are located in Fresno, California and Wichita, Kansas, respectively.

The Company relocated its training center and Human Resources Department to the
Dallas/Fort Worth metroplex. This action consolidated the Company's training and
personnel processing in one central location from several locations throughout
the United States. The Company believes that this action will result in greater
consistency and quality of training of its flight crewmembers and ground
personnel.

Mesa plans to reduce the number and type of aircraft it operates. In July 1997,
the Fokker 70 aircraft were retired and replaced by CRJ aircraft. Termination of
the WestAir code-sharing agreement and certain Mesa contract markets could
result in a surplus of 21 British Aerospace Jetstream 31 aircraft, ten 30-seat
Embraer Brasilia aircraft and 13 1900D Beech aircraft. An additional 26 Beech
1900D aircraft may become surplus to MAI should operations in the Denver system
be discontinued or sold. The Company presently plans to retire all 21 of the
British Aerospace Jetstream 31 aircraft as well as all remaining 30-seat Embraer
Brasilia aircraft. Retirement of the J-31 and EMB-120 aircraft will reduce the
type of aircraft operated to three: the 1900D, Dash 8-200 and CRJ aircraft.
Reduction, relocation, trade-in and sale of aircraft or discontinuation or sale
of operations is a forward-looking statement and is dependent on, among other
factors, the terms Mesa obtains from manufacturers, alleviation of crew
shortages and the market for surplus aircraft.


MESA'S JET SERVICE

Mesa has ordered 32 Canadair Regional Jets (CRJs) for operations from its MAI
hub in Fort Worth, Texas, its AmericaWest Express operation in Phoenix, Arizona,
and to operate new service as US Airways Express in the eastern portion of the
United States. As of the end of fiscal 1997, the Company had received seven of
the aircraft. Delivery of all CRJ aircraft is scheduled to be completed before
the end of 1999. The value of these 32 jets is approximately $640 million.

MAI inaugurated independent jet service under its own name "Mesa Airlines"
between Fort Worth and Houston, Texas in May 1997 and between Fort Worth and San
Antonio, Texas in September 1997. Subsequent to September 30, 1997, CRJ flights
were initiated between Fort 

                                        11
<PAGE>   13
Worth and Austin, Texas; San Antonio and Colorado Springs, Colorado; and
Colorado Springs and Nashville, Tennessee.

Mesa operates three CRJs pursuant to its code-sharing agreement with America
West from its AmericaWest Express hub in Phoenix, Arizona. These aircraft
operate between Phoenix and Des Moines, Iowa; Fresno, California; and Santa
Barbara, California.

Under the new code-sharing agreement with US Airways, Mesa will operate 12 CRJs
with an option for up to an additional 12 aircraft. Service is scheduled to
begin in the new jet markets effective January 19, 1998 on flights between US
Airways' hubs in Philadelphia, Pennsylvania and Birmingham, Alabama; St. Louis,
Missouri; Cincinnati, Ohio; and Newburgh, New York.


MARKETING

Under Mesa's code-sharing agreements, America West, UAL, and US Airways (the
major partners) coordinate advertising and public relations within their
respective regions. In addition, Mesa benefits from the major partners'
advertising programs in regions outside those served by Mesa, with the major
partners' customers becoming customers of Mesa as a result of through fares.
Under these code-sharing arrangements, Mesa's passengers also benefit from
through-fare ticketing with the major partners and greater accessibility to
Mesa's flights on computer reservation systems and in the Official Airline
Guide.

Mesa's services are promoted through listings in computer reservation systems,
the Official Airline Guide, and through direct contact with travel agencies and
corporate travel departments. Mesa participates in shared advertising with
resort and rental property operators and ski areas in leisure markets in which
it operates. Mesa's non-code-share operation, MAI, utilizes SABRE, a
computerized reservation system widely used by travel agents, corporate travel
offices and other airlines. The reservation systems of Mesa's code-sharing
partners are also utilized in each of Mesa's other operations through their
respective code-sharing agreements. Mesa also pays booking fees to owners of
other computerized reservation systems based on the number of passengers booked
by travel agents using such systems. Mesa believes that it has good
relationships with the travel agents handling its passengers.

To further introduce more frequent travel within its own independent operation,
MAI has introduced a frequent flyer program (MesaMax). It is management's
opinion that the frequent flyer program will build brand loyalty, provide an
additional incentive for travel on MAI, and act as a promotional device. The
program is restricted to MAI's independent operation and is not offered or made
available on any flights offered in conjunction with any of MAI's code-share
operations with America West, UAL or US Airways. Management believes MAI's media
advertising campaign has increased community awareness of its Meacham airport
location in Fort Worth. The independent operation consists of travel through
MAI's Albuquerque hub and that portion of MAI's jet operations within Texas;
between San Antonio and Colorado Springs, Colorado; and Colorado Springs and
Nashville, Tennessee. The program offers travelers one free round trip for every
16 one way tickets (eight round-trips) purchased and used on the independent
system. Frequent flyer awards may be redeemed for travel between any connecting
points on MAI's independent system, but must be accumulated and used within one
year. No restrictions apply on travel under the awards program so long as seats
are available on desired flights under any class of service. Awards have no cash
value and cannot be sold, traded or 

                                        12
<PAGE>   14
bartered. The incremental cost of transporting a free passenger consists almost
entirely of reservations, passenger liability insurance and catering costs which
total a nominal amount. MAI had no material liability for frequent flyer awards
at September 30, 1997. Management's belief that the frequent flyer awards
program will result in increased brand loyalty, additional incentive for travel
on MAI, and serve as a promotional device and that MAI's media advertising
campaign has increased community awareness are forward-looking statements.
Actual results could differ materially from the forward-looking statements
caused by, among other factors, limitations of the route systems included in the
program, diversion of traffic from revenue to non-revenue, increased
reservations costs, increased incidental costs relating to booking, boarding and
handling incremental traffic, and general economic conditions.


FARES AND FEE PER DEPARTURE

Since 1978, airlines in the United States have been free to set their own
domestic fares without governmental regulation. Mesa derives its passenger
revenues from a combination of local fares, through fares, joint fares and fee
per departure arrangements. Local fares are fares for one-way and round-trip
travel provided by Mesa within its route system. Local fares are also frequently
used by passengers connecting with other carriers. A through fare is a fare
offered to passengers by either America West, UAL or US Airways which generally
provides cost savings to the passenger who transfers to the major carrier's
code-sharing partner on routes flown by the code-sharing partner. Through fares
are prorated in accordance with standards specified in the various code-sharing
agreements. Joint fares are single fares for travel combining flights with Mesa
and other airlines which are not code-sharing partners with Mesa. With joint
fares, the passenger generally pays a single lower fare than the sum of the
local fares charged for the combined flights. Mesa has been able to negotiate
joint-fare arrangements with major carriers as an additional means of deriving
passengers connecting through its hub cities.

The Company has increasingly relied on fee per departure contractual agreements
with two of its code-sharing partners to generate revenue. A number of MAI and
WestAir routes generate revenue on a fee per departure basis and all revenue to
be generated by the new CRJ code-sharing agreement with US Airways is based on a
fee per departure arrangement.


COMPETITION

The airline industry is highly competitive and volatile. Airlines compete in the
areas of pricing, scheduling (frequency and timing of flights), on-time
performance, type of equipment, cabin configuration, amenities provided to
passengers, frequent flyer plans, travel agents' commissions and the automation
of travel agents' reservation systems. Further, because of the Deregulation Act,
airlines are currently free to set prices and establish new routes without the
necessity of seeking governmental approval. At the same time, deregulation has
allowed airlines to abandon unprofitable routes where the affected communities
will not be left without air service. See, "ESSENTIAL AIR SERVICE PROGRAM."

Mesa believes that the Deregulation Act facilitated Mesa's entry into scheduled
air service markets and will allow it to compete on the basis of service and
fares. The Deregulation Act, however, makes possible the entry of other
competitors which have substantial financial 

                                13
<PAGE>   15
resources and experience, creating the potential for intense competition among
regional air carriers in Mesa's markets.

As discussed earlier, Mesa believes its code-sharing agreements provide a
significant competitive advantage in hub airports where its major partner has a
predominant share of the market. The ability to control connecting passenger
traffic by offering a superior service makes it very difficult for other
regional airlines to compete at such hubs. In addition to the enhanced
competitive edge offered by the code-sharing agreements, Mesa competes with
other airlines through offering frequent flights, flexible schedules and
numerous fare levels.


FUEL

During its operating history, Mesa has experienced few problems with the
availability of fuel, and it believes that it will be able to obtain fuel
sufficient to meet its existing and anticipated future requirements at
competitive prices. Standard industry contracts do not generally provide
protection against fuel price increases, nor do they ensure availability of
supply. Increased fuel costs during the Company's fiscal 1997 year have had an
impact on the profitability of the airline market in general and on the Company
in particular. The extent and the duration of fuel price increases are not
predictable; however, to the extent that fuel price increases cannot be passed
on to the customer they are absorbed as an additional expense by the Company.


MAINTENANCE OF AIRCRAFT AND TRAINING

All mechanics and avionics specialists employed by Mesa have the appropriate
training and experience and hold the required licenses issued by the FAA. Using
its own personnel and facilities, Mesa maintains its aircraft on a scheduled and
"as-needed" basis. Mesa emphasizes preventive maintenance and checks its
aircraft engines and airframes as required. Mesa has also developed an inventory
of spare parts specific to the aircraft it flies and has instituted a
computerized tracking system to increase maintenance efficiency and to avoid
excess inventories of spare parts.

Mesa provides periodic in-house and outside training for its maintenance and
flight personnel and also takes advantage of factory training programs that are
offered when acquiring new aircraft.


INSURANCE

Mesa carries types and amounts of insurance customary in the airline industry,
including coverage for public liability, passenger liability, property damage
product liability, aircraft loss or damage, baggage and cargo liability and
workers' compensation.

Mesa's captive insurance company, MAGI Insurance, Ltd., handles baggage and
freight claims in addition to a portion of Mesa's hull and liability insurance.

                                        14
<PAGE>   16
EMPLOYEES

Mesa currently has approximately 4,800 employees. Mesa's success is in part
dependent upon its ability to continue to attract and retain qualified
personnel. In the past Mesa has had no difficulty attracting qualified personnel
to meet its requirements.

Pilot turnover at times is a significant issue among regional carriers when
major carriers are hiring experienced commercial pilots away from regional
carriers. The addition of aircraft, especially new aircraft types, can result in
pilots upgrading between aircraft types and becoming unavailable for duty during
the extensive training periods required. In addition, the consolidation and
standardizing of Mesa's pilot training program resulted in training delays.
These factors have impacted Mesa's operations and resulted in unavailability of
flight crews and cancellation of flights. See, "CODE-SHARING RELATIONSHIPS -- US
Airways, Inc." for a further discussion of crew shortages and flight
cancellations. The pilot shortage was reduced in October 1997 when the Company
reduced service in certain markets and temporarily removed aircraft from
service. As of January 12, 1998, 10 aircraft remained out of service to comply
with the reduced levels of service required by US Airways until pilot and crew
shortages could be alleviated in MAI's US Airways Express system. See,
"CODE-SHARING RELATIONSHIPS -- US Airways, Inc." Mesa is working with its wholly
owned subsidiary, MPD, Inc. dba Mesa Pilot Development, to train larger numbers
of new pilots to meet the staffing needs of MAI's operations and expects to have
an adequate level of qualified pilots by the second fiscal quarter of 1998. No
assurance can be given, however, that pilot turnover and unavailability will not
continue to be a major problem in the future, particularly if major carriers
expand. Similarly, there can be no assurance that sufficient numbers of new
pilots will be available to support any future growth.

During December 1996, Mesa reached a five-year agreement with the Air Line
Pilots Association (ALPA) for a single pilot contract for MAI and Air Midwest,
Inc. The contract provides for industry-average pay, economic work rules and
excellent opportunities for advancement. This contract resulted in an increase
in pilot salary expense of approximately $6.1 million for the 1997 fiscal year.
WestAir pilots are also represented by ALPA and the Company is in mediation
regarding a new contract, although with the expiration of the WestAir
code-sharing agreement with UAL in May 1998, it is unlikely that a new contract
agreement will be negotiated. Air Midwest mechanics are represented by the
International Association of Machinists (IAM), flight attendants at WestAir and
Mountain West, a division of MAI, are represented by the Association of Flight
Attendants (AFA). No other Mesa subsidiaries are parties to any other collective
bargaining agreement or union contracts.


ESSENTIAL AIR SERVICE PROGRAM

The Essential Air Service program administered by the United States Department
of Transportation ("DOT"), guarantees a minimum level of air service in certain
communities, predicated on predetermined guidelines set forth by Congress. Based
on these guidelines, DOT will subsidize air service to communities which might
otherwise not have air service. Mesa Air Group services 23 such markets for an
annual subsidy of approximately $3.5 million.

                                15
<PAGE>   17
REGULATION

As an interstate air carrier, Mesa is subject to the economic jurisdiction of
and regulation by the DOT. The DOT is authorized to establish consumer
protection regulations to prevent unfair methods of competition and deceptive
practices, to prohibit certain pricing practices, to inspect a carrier's books,
properties and records, and to mandate conditions of carriage. The DOT also has
the power to bring proceedings for the enforcement of air carrier economic
regulations, including the assessment of civil penalties, and to seek criminal
sanctions.

Mesa is subject to the jurisdiction of the FAA with respect to its aircraft
maintenance and operations, including equipment, ground facilities, dispatch,
communication, training, weather observation, flight personnel and other matters
affecting air safety. To ensure compliance with its regulation, the FAA requires
airlines to obtain an operating certificate which is subject to suspension or
revocation for cause, and provides for regular inspections.

As a result of a special review by the FAA of Mesa's operations, and other
factors, a Consent Order was signed with the FAA in September 1996, assessing a
compromise civil penalty of $500,000. Mesa paid $250,000 of the compromise
amount, and the remaining $250,000 was waived after Mesa complied with
provisions of the Consent Order by September 30, 1997. Mesa agreed to adopt
operational standards that exceed the requirements of the Federal Aviation
Regulations and consolidate control of operational areas (maintenance, flight
operation and training) under one central management team.

Effective in March 1997, the FAA required that commuter airlines with aircraft
of 10 or more passenger seats operating under FAR Part 135 rules to begin
operating those aircraft under FAR Part 121 regulations. Mesa, one of the
largest regional airlines operating under FAR Part 135 regulations, completed
the transition to Part 121 on the FAA's deadline. Company management is
monitoring the costs increases to its 19- and 30-seat aircraft operations
resulting from compliance with FAR Part 121 and the consent order. At present,
management believes those continuing costs will be approximately $4.5 million
per year. Those increased costs are primarily related to additional training,
dispatch and maintenance procedures. Continuing efforts are being made to
minimize the cost of these new operating procedures while fully complying with
FAR Part 121 operating requirements.

The ongoing cost estimate to comply with FAR Part 121 regulations is a
forward-looking statement that involves a number of uncertainties which could
cause actual costs to differ materially from the forward looking statements
including, among other factors, promulgation of future FAA regulations,
administrative rules, or informal requests by the FAA requiring the hiring of
additional personnel, addition of new aircraft mechanical equipment, payment of
additional fines and the impact of future laws or Congressional investigations
all of which could have the effect of increasing the costs of compliance.

Mesa is subject to the jurisdiction of the Federal Communications Commission
regarding the utilization of its radio facilities and to the jurisdiction of the
United States Postal Service with respect to carriage of United States mail.
Local governments in certain markets have adopted regulations governing various
aspects of aircraft operations including noise abatement and curfews.

                                16
<PAGE>   18
Item 2.           Properties

Mesa's primary property consists of aircraft used in the operation of the
business. The following table lists the aircraft operated by Mesa as of
September 30, 1997:

<TABLE>
<CAPTION>
                                               Number of Aircraft
                                       ---------------------------------
                                                                            Passenger
       Type of Aircraft                 Owned       Leased        Total      Capacity
- -------------------------------------------------------------------------------------

<S>                                     <C>         <C>           <C>       <C>
       Beechcraft 1900                    108           10          118           19

       Embraer Brasilia                     2           26           28           30

       BAe Jetstream 31                                 21           21           19

       Dash 8-200                                       12           12           37

       Canadair Regional Jet                             7            7           50
                                       ---------------------------------
       Total                              110           76          186
                                       ---------------------------------
</TABLE>


See, "MANAGEMENT'S DISCUSSION AND ANALYSIS -- LIQUIDITY AND CAPITAL RESOURCES"
regarding aircraft commitments.

In addition to aircraft, Mesa has office and maintenance facilities to support
its operations. The facilities are as follows:

<TABLE>
<CAPTION>
           Type                    Location                 Ownership         Approximate Size
           ----                    --------                 ---------         ----------------

<S>                             <C>                         <C>               <C>          
     Accounting                 Farmington, NM                Owned             7,000 sq. ft.
     Administration             Farmington, NM                Owned            18,000 sq. ft.
     Operations                 Farmington, NM                Owned            16,000 sq. ft.
     Training/Personnel         Arlington, TX                 Leased           15,000 sq. ft.
     Hangar                     Farmington, NM                Leased           30,000 sq. ft.
     Engine Shop                Farmington, NM                Leased            6,000 sq. ft.
     Hangar                     Fresno, CA                    Leased           50,000 sq. ft.
     Offices                    Fresno, CA                    Leased           20,000 sq. ft.
     Warehouse/Office           Fresno, CA                    Leased           21,750 sq. ft.
     Hangar/Office              Forth Worth, TX               Leased           14,000 sq. ft.
     Hangar/Office              Wichita, KS                   Leased           30,000 sq. ft.
     Hangar/Office              Jacksonville, FL              Leased           30,256 sq. ft.
     Hangar                     Jamestown, NY                 Leased           30,000 sq. ft.
     Hangar/Office              Dubois, PA                    Leased           23,000 sq. ft.
     Hangar                     Reading, PA                   Leased           56,250 sq. ft.
     Hangar/Office              Grand Junction, CO            Leased           32,768 sq. ft.
     Hangar/Office              Yakima, WA                    Leased           14,500 sq. ft.
     Hangar/Office              Bullhead City, AZ             Leased           12,852 sq. ft.
     Office                     Phoenix, AZ                   Leased            3,570 sq. ft.
</TABLE>

Mesa, as the lessee, leases space at each of the airports in which it operates
to accommodate its operations. These leases are generally month-to-month or
relatively short-term leases. MAI, as the lessor, also leases commercial real
estate of approximately 26,200 square feet in Farmington, New Mexico to
unrelated entities.

                                        17
<PAGE>   19
Item 3.       Legal Proceedings

During 1994, seven shareholder class action complaints were filed in the United
States District Court for the District of New Mexico against Mesa, certain of
its present and former corporate officers and directors, its independent
auditor, and certain underwriters who participated in Mesa's June 1993 public
offering of Common Stock. During October 1995, the court certified a class
consisting of persons who purchased Mesa stock between January 28, 1993 and
August 5, 1994. These complaints have been consolidated by court order, and,
after the court granted in part a motion to dismiss in May 1996, a third amended
consolidated complaint has been filed alleging that during the class period the
defendants caused or permitted Mesa to issue publicly misleading financial
statements and other misleading statements in the registration statement for the
June 1993 public offering, annual and quarterly reports to shareholders, press
releases and interviews with securities analysts. The current complaint alleges
that these statements misrepresented Mesa's financial performance and condition,
its business, the status of its operations, its earnings, its capacity to
achieve profitable growth and its future business prospects, all with the
purpose and effect of artificially inflating the market price of common stock of
Mesa throughout the relevant period. The complaint further alleges that certain
officers and directors of the Company illegally profited from sales of Mesa
Common Stock during these periods. The complaint seeks damages against the
defendants in an amount to be determined at trial (including rescission and/or
money damages as appropriate) and reasonable attorney, accountant and expert
fees. In 1996, Mesa made an accrual to vigorously defend the litigation.
Further, Mesa and the corporate officers and directors believe they have
substantial and meritorious defenses against these allegations and are defending
their position vigorously. However, should an unfavorable resolution of this
litigation occur, it is possible that Mesa's future results of operations or
cash flows could be materially affected in a particular period.

In June 1997, UAL filed a complaint in the United States District Court for the
Northern District of Illinois against two subsidiaries of the Company, Mesa
Airlines, Inc. ("MAI") and WestAir Commuter Airlines, Inc. ("WestAir"), seeking
a judicial declaration of the parties' rights and obligations under two separate
written agreements, pursuant to which MAI and WestAir allegedly agreed to
provide certain airline transportation services to UAL including the provision
of scheduled air transportation services in certain areas of the United States
under the service mark "United Express." UAL contends that, under these
agreements, UAL has the right to "increase, decrease, or in any other way adjust
the flight frequencies, or markets, or both" in certain airports currently
serviced by WestAir and/or MAI. Neither MAI nor WestAir has yet responded to the
complaint. In order to give both parties additional time to explore the
possibility of resolving this action without further litigation, the parties
have entered into a stipulation, which the Court approved, extending defendants'
time to respond to the complaint to and including January 28, 1998. MAI and
WestAir dispute the principal contentions in UAL's complaint, and unless a
satisfactory negotiated resolution is achieved, intend to defend their position
vigorously.

Mesa is also a party to legal proceedings and claims which arise during the
ordinary course of business.

                                        18
<PAGE>   20
In the belief of management, based upon information at this time, the ultimate
outcome of all the proceedings and claims pending against Mesa referred to above
is not expected to have a material adverse effect on Mesa's consolidated
financial position.

The belief that substantial and meritorious defenses against the allegations
contained in the class action complaint and the belief that the ultimate outcome
of all the proceedings and claims pending against Mesa will favorably be
resolved are forward looking statements which could materially differ as a
result of the determination of a judge or jury.


Item 4.       Submission of Matters to a Vote of Security Holders

         None.


PART II


Item 5.       Market for Registrant's Common Equity and Related Stockholder
              Matters

                          MARKET PRICE OF COMMON STOCK

Presented below are the high and low sales prices of the Common Stock of Mesa
Air Group, Inc. on the National Market System under the NASDAQ symbol MESA.

<TABLE>
<CAPTION>
       =========================================================================
                               FISCAL 1997                    FISCAL 1996
       -------------------------------------------------------------------------
       Quarter             HIGH            LOW            HIGH            LOW
       -------------------------------------------------------------------------

<S>                     <C>             <C>            <C>             <C>      
       First            $   10.50       $   6.44       $   10.75       $    8.00

       Second                7.63           5.44           13.25            7.75

       Third                 6.50           4.69           13.88           10.38

       Fourth                6.63           5.00           12.13            8.44
</TABLE>

On December 9, 1997, Mesa had 1,335 shareholders of record. Mesa has never paid
cash dividends and does not intend to pay cash dividends in the future.

                                        19
<PAGE>   21
Item 6.       Selected Financial Data



SELECTED FINANCIAL DATA AND OPERATING STATISTICS
================================================================================
In thousands of dollars, except per share and average fare amounts and otherwise
indicated


<TABLE>
<CAPTION>
                                                                         Years ended September 30
                                                                         ------------------------
                                              1997               1996              1995             1994              1993
                                           -----------------------------------------------------------------------------------


<S>                                        <C>               <C>               <C>               <C>               <C>       
Operating revenues                         $  510,977        $  500,363        $  455,139        $  396,134        $  353,640
Operating expenses                            565,463           452,369           425,567           347,760           311,730
Operating income (loss)                       (54,486)           47,994            29,572            48,374            41,910
Other income (expense)                          3,087            14,302              (156)            3,534             3,797
Interest expense                               27,776            12,777             6,395             7,916             5,366
Earnings (loss) before income taxes           (79,175)           49,519            23,021            43,992            40,341
Net earnings (loss)                           (48,597)           30,407            14,012            27,688            26,352

Net earnings (loss) per common share            (1.72)             1.00              0.42              0.76              0.77
Working capital                                68,561            70,860           115,378           134,186           125,706
Total assets                                  649,866           678,491           446,722           419,902           399,318
Long-term debt, excluding current portion     338,199           338,278            78,411            91,772            91,742
Stockholders' equity                          177,088           224,666           255,883           234,316           215,394
Net book value per common share            $     6.26        $     7.96        $     7.53        $     7.16        $     6.08
- -----------------------------------------------------------------------------------------------------------------------------

Passengers carried                          6,720,631         6,463,690         6,086,782         5,170,252         4,449,492
Revenue passenger miles (000)               1,397,645         1,364,681         1,179,397           982,642           916,851
Available seat miles (000)                  2,484,489         2,437,662         2,310,895         1,897,933         1,821,156
Average passenger journey                         208               211               194               190               206
Average stage length                              171               167               167               163                NA
Load factor                                      56.3%               56%               51%             51.8%             50.3%
Break-even passenger load factor                 57.6%             51.7%             49.2%             47.0%             45.8%
Revenue per available seat mile                  20.6(cent)        20.5(cent)        19.7(cent)        20.9(cent)        19.4(cent)
Cost per available seat mile                     22.8(cent)        18.6(cent)        18.4(cent)        18.3(cent)        17.1(cent)
Average yield per revenue passenger mile         35.8(cent)        35.9(cent)        37.5(cent)        38.9(cent)        37.3(cent)
Average fare                               $    74.52        $    75.72        $    72.53        $    74.11        $    76.80
Aircraft in service                               184               175               177               166               146
Cities served                                     168               164               172               165               152
Number of employees                             4,800             4,000             3,900             3,500             2,800
=============================================================================================================================
</TABLE>
NA - Information not available

                                        20
<PAGE>   22
Item 7.       Management's Discussion and Analysis of Financial Condition and 
              Results of Operations


MANAGEMENT'S DISCUSSION AND ANALYSIS

Mesa Air Group, Inc. and its subsidiaries ("Mesa" or the "Company") are a group
of regional airlines and related companies providing service across the United
States as AmericaWest Express, Mesa Airlines, United Express and US Airways
Express.

The following tables set forth selected operating and financial data of Mesa for
the years indicated below:


<TABLE>
<CAPTION>
                                                                   OPERATING DATA

                                                              Years ended September 30
                                                --------------------------------------------------

                                                  1997                1996                 1995
                                                ---------           ---------            ---------

<S>                                             <C>                 <C>                  <C>      
       Passengers                               6,720,631           6,463,690            6,086,782
       Available seat miles (000)               2,484,489           2,437,662            2,310,895
       Revenue passenger miles (000)            1,397,645           1,364,681            1,179,397
       Load factor                                   56.3%               56.0%                51.0%
       Revenue per ASM                               20.6(cent)          20.5(cent)           19.7(cent)
       Yield per RPM                                 35.8(cent)          35.9(cent)           37.5(cent)
       Cost per ASM                                  22.8(cent)          18.6(cent)           18.4(cent)
</TABLE>


<TABLE>
<CAPTION>
                                                                        FINANCIAL DATA

                                                                    Years ended September 30
                                 ----------------------------------------------------------------------------------------------
                                              1997                             1996                           1995
                                 ------------------------------   -----------------------------  ------------------------------
                                             Percent     Cost               Percent      Cost                Percent     Cost
                                  Amount       of         per      Amount     of          per     Amount        of        per
                                  (000)     Revenues      ASM      (000)    Revenues      ASM     (000)      Revenues     ASM
                                 ------------------------------   -----------------------------  ------------------------------

<S>                              <C>        <C>        <C>        <C>       <C>        <C>        <C>        <C>       <C>
Flight operations                $181,696    35.5%     7.3(cent)  $166,151    33.2%    6.8(cent)  $166,596    36.6%    7.2(cent)

Maintenance                        93,278    18.3%     3.8(cent)    81,400    16.3%    3.3(cent)    73,701    16.2%    3.2(cent)

Aircraft and traffic servicing     85,755    16.8%     3.5(cent)    73,469    14.7%    3.0(cent)    64,120    14.1%    2.7(cent)

Promotion and sales                75,448    14.8%     3.0(cent)    74,844    15.0%    3.1(cent)    73,289    16.1%    3.2(cent)

General and administrative         26,543     5.2%     1.1(cent)    29,186     5.8%    1.2(cent)    26,921     5.9%    1.2(cent)

Depreciation and amortization      34,859     6.8%     1.4(cent)    24,296     4.9%    1.0(cent)    20,940     4.6%    0.9(cent)

Other operating items              67,884    13.3%     2.7(cent)     3,023     0.6%    0.1(cent)        --      --      --
                                 ------------------------------   -----------------------------  ------------------------------
    Total operating expenses     $565,463   110.7%    22.8(cent)  $452,369    90.4%   18.6(cent)  $425,567    93.5%   18.4(cent)
                                 ==============================   =============================  ==============================
Interest expense                 $ 27,776     5.4%     1.1(cent)  $ 12,777     2.6%    0.5(cent)  $  6,395     1.4%    0.3(cent)
                                 ==============================   =============================  ==============================
</TABLE>

                                                21
<PAGE>   23
REVENUE AND EXPENSE COMPARISON


FISCAL 1997 VERSUS FISCAL 1996

Operating revenues increased by $10.6 million (2.1 percent) for fiscal 1997
compared to the prior fiscal year. This increase in operating revenues is the
result of a 4 percent increase in passengers, partially offset by a 1.6 percent
decrease in average fares. Capacity, measured by available seat miles (ASMs),
increased by 1.9 percent and passenger traffic measured by Revenue Passenger
Miles (RPMs) which is one passenger carried one mile, increased by 2.4 percent.
The load factor increased from 56.0 percent to 56.3 percent, yield (passenger
revenue per RPM) decreased to 35.8(cent) in fiscal 1997 from 35.9(cent) per RPM,
and revenue per ASM increased to 20.6(cent) from 20.5(cent) per ASM in fiscal
1996. The airline industry has a history of fare and traffic volatility.
Management expects revenue per available seat mile to remain relatively stable
in existing markets during the next fiscal year. However, the CRJ jet aircraft,
which is faster and flown over a longer stage length than turbo prop aircraft,
generates lower revenue per ASM than turbo prop aircraft. Because the Company
expects to operate increasing numbers of CRJ aircraft in the future, overall
revenue per ASM is expected to be lower in the 1998 fiscal year than that
attained in fiscal 1997.

Flight Operations expense increased by 9.4 percent to $181.7 million (7.3(cent)
per ASM) for the fiscal year ended September 30, 1997, from $166.2 million
(6.8(cent) per ASM) for the year ended September 30, 1996. Fuel costs increased
by $10.1 million to 2.7(cent) per ASM from 2.3(cent) per ASM during the current
period as compared to the prior period. Of that increase, $6.2 million is a
result of a 7.0(cent) per gallon increase in the average price of fuel with
increased usage accounting for the balance. Pilot costs increased by $14.0
million during the year due primarily to a $10.2 million increase in pilot wages
and payroll taxes. Of this increase $6.1 million was a result of increased rates
of pay associated with the new pilot contract which became effective in December
1996 and $4.1 million of the increase was due to an increase in the number of
pilots employed. The costs of pilot meals and lodging increased by $3.4 million
as a result of the new contract and conversion to operating under FAR Part 121.
Dispatch costs increased by $1.9 million and pilot training costs rose by $2.0
million in the 1997 period due to the stricter operating requirements of FAR
Part 121. These cost increases were partially offset by an approximate $17.0
million reduction in aircraft lease costs during the 1997 fiscal year which
resulted from the purchase of 69 aircraft in May 1996, previously operated by
Mesa under operating leases. Aircraft ownership costs are reported as
depreciation and interest expense rather than flight operations expense.

Maintenance costs increased by $11.9 million to $93.3 million (3.8(cent) per
ASM) for the 1997 fiscal year, from $81.4 million (3.3(cent) per ASM) for the
prior year. The requirements of operating under FAR Part 121, the associated new
training requirements and implementation of the Consent Order with the Federal
Aviation Administration (FAA) resulted in a 20 percent increase in the number of
mechanics per airplane in fiscal 1997 as compared to fiscal 1996. The increase
in number of mechanics per aircraft and a wage increase granted to the mechanics
resulted in increasing labor costs by approximately $3.8 million during the
fiscal year. An increase in the number of aircraft engine overhauls resulted in
an increase in engine overhaul expense of $8.1 million (35.7 percent).


                                       22
<PAGE>   24
Aircraft and Traffic Servicing costs increased to $85.7 million (3.5(cent) per
ASM) during fiscal 1997 from $73.5 million (3.0(cent) per ASM ) in fiscal 1996.
Station labor costs rose by $6.1 million due to an across the board wage
increase granted in September 1996 in order to attract and retain qualified
individuals. Non-completion costs increased by $1.4 million in fiscal 1997. The
increase was caused by a higher than normal level of flight cancellations as a
result of flight crew scheduling difficulties and training delays. The flight
crew scheduling difficulties and training delays were related to the significant
changes required by conversion to FAR Part 121 and compliance with the FAA
Consent Order. Deicing costs increased $.8 million and security expenses
increased $.5 million in 1997 over the prior year. Increased costs of security
are directly related to the increase in passengers carried.

Promotion and Sales expense increased slightly from $74.8 million to $75.4
million.

General and Administrative costs declined from $29.2 million in fiscal 1996 to
$26.5 million in fiscal 1997. The primary reason for the decrease was reduced
management compensation expense under the management incentive program.

Depreciation and amortization expense rose by $10.5 million to $34.9 million and
interest expense increased by $15.0 million to $27.8 million. The increase in
depreciation and interest expense was due to the purchase of 69 aircraft in May
1996, which had previously been operated by Mesa under operating leases, and the
purchase of 22 new Beechcraft aircraft financed with debt.

At September 30, 1997, the Company recognized a provision of $72.1 million for
the non-renewal of the WestAir, and potential early termination of the MAI,
code-sharing agreements with UAL. This provision is included in other operating
items. (See footnotes 11 and 15 in the accompanying consolidated financial
statements for additional discussion). The $72.1 million provision provides for
the estimated loss on the retirement or sale of aircraft, parts and equipment
which are expected to be surplus to the needs of the Company upon expiration or
potential early termination of the code-sharing agreements. In addition, the
provision includes an estimate for all other anticipated costs of
discontinuation or sale of the WestAir, Denver and Pacific Northwest operations.
Other operating items in fiscal 1997 also includes a gain from the settlement
with an aircraft manufacturer of $5.2 million and a $1 million aircraft return
provision related to the final settlement and return of the Company's Fokker 70
aircraft. In fiscal 1996, the Company recognized a $3 million provision related
to return of the Fokker 70 aircraft.

The Company's effective tax rate of 38.6% is comparable with prior years.


FISCAL 1996 VERSUS FISCAL 1995

Operating revenues increased $45.2 million (10 percent) for fiscal 1996 compared
to the prior fiscal year. This increase in operating revenues is the result of a
six percent increase in passengers and a four percent increase in average fares.
Capacity, measured by available seat miles (ASMs), increased by 5.5 percent. The
load factor increased from 51 percent to 56 percent and revenue per ASM
increased from 19.7(cent) to 20.5(cent). The airline industry has a history of
fare and traffic volatility; however, management expects revenue per available
seat mile to remain relatively stable during the next fiscal year.


                                       23
<PAGE>   25
Flight operations expense decreased from 7.2(cent) per ASM in 1995 to 6.8(cent)
per ASM in 1996 primarily due to a reduction of fleet integration costs during
the current year, a conversion of many aircraft from being operated under
operating lease to owned aircraft, and the operation of jet aircraft throughout
the entire 1996 fiscal year. However, this benefit was partially offset by
higher-than-average pilot training costs in the third and fourth quarters caused
by the increased turnover caused by major airlines increased hiring of Mesa
pilots and an increase in fuel related to a new tax on jet fuel and a general
increase in price.

Maintenance expense was essentially unchanged at 3.3(cent) per ASM in 1996.

Aircraft and traffic servicing cost increased slightly from 2.7(cent) per ASM in
1995 to 3.0(cent) per ASM in 1996. This increase is primarily the result of
increased operating fees at Denver International Airport. These costs include
landing fees, station wages, rent and other station costs.

Promotion and sales expense decreased slightly from 3.2(cent) in 1995 to
3.1(cent) per ASM in 1996. These costs include commissions, booking fees and
other reservation costs and will vary with revenue.

General and administrative expense remained constant at 1.2(cent) per ASM.

Depreciation and amortization expense increased from 0.9(cent) per ASM in 1995
to 1.0(cent) per ASM in 1996 primarily due to additional depreciation on owned
aircraft.

Interest expense increased from 0.3(cent) per ASM in 1995 to 0.5(cent) per ASM
in 1996 as a result of financing more aircraft through use of debt rather than
operating leases.

Mesa incurred an effective tax rate of approximately 38.6 percent for the year
1996. This rate is lower than 1995 due in part to implementation of a state tax
minimization program.

The combination of the above factors, excluding a one-time accrual for Fokker
return costs of 0.1(cent) per ASM, resulted in a slight increase in operating
expenses from 18.4(cent) per ASM in 1995 to 18.6(cent) per ASM in 1996.


LIQUIDITY AND CAPITAL RESOURCES

Mesa's cash, cash equivalents and marketable securities as of September 30, 1997
amounted to $65.9 million. This was an increase of $5.9 million over the prior
year. Mesa generated approximately $11 million in cash from operating activities
during 1997. Mesa's cash, cash equivalents and marketable securities are
intended to be used for working capital, acquisitions and capital expenditures.

Mesa had receivables of approximately $53.9 million at September 30, 1997 which
consist primarily of amounts due from code-sharing partners UAL and US Airways.
Under the terms of the UAL and US Airways agreements, Mesa receives a
substantial portion of its revenues through the Airline Clearing House.
Historically, Mesa has generated adequate cash flow to meet its operating needs.
Management's belief that the Company will have adequate cash flow to meet its
operating needs is a forward-looking statement. Actual cash flow could
materially differ from the forward-looking statement in the event of the
termination of one or more code-


                                       24
<PAGE>   26
 sharing agreements, a substantial decrease in the number of routes allocated to
MAI under its code-sharing agreement with UAL or US Airways, termination of one
or more of the Company's credit facilities resulting in the need to repay
unanticipated debt, reduced levels of passenger revenue, additional taxes or
costs of compliance with governmental regulations, fuel cost increases, increase
in competition, increase in interest rates, general economic conditions and
unfavorable settlement of existing or potential litigation.

At September 30, 1997, Mesa had a line of credit with a bank of $20 million
which was being utilized solely to secure outstanding letters of credit. An
aggregate ceiling of $12 million applies to the letters of credit issued under
this agreement, of which $4.3 million were outstanding at September 30, 1997.
Should Mesa draw upon this line of credit, an interest rate of LIBOR plus 1.5
percent (7.28 percent) will apply. The line matures on March 31, 1998, and bears
an annual fee of 1/4 percent. As of September 30, 1997, Mesa was not in
compliance with certain debt covenants of the line of credit agreement, however
the bank has waived compliance with such covenants.

Certain loan and debt agreements with banks contain covenants which require Mesa
to maintain or exceed stated levels of net worth and to equal or exceed
specified debt and working capital ratios. As of September 30, 1997, Mesa was
not in compliance with certain of these financial ratio covenants with total
borrowings of $10.5 million which have been classified as current portion of
long-term debt in the accompanying balance sheet. In January 1998, certain other
financial ratio covenants were either waived or amended effective September 30,
1997. The Company believes it will be in compliance with either its present
covenants or amended covenants through September 30, 1998 except for the
aforementioned borrowings of $10.5 million which has been classified as current
portion of long-term debt. The Company's belief that it will be in compliance
with its covenants or amended covenants is a forward looking statement and its
compliance could be impacted by the costs further described herein related to
restructuring the Company's operations and the timing and sale of aircraft.

Mesa has significant operating lease obligations on existing aircraft. At
September 30, 1997, Mesa leased 76 aircraft with remaining terms of up to 16.5
years. Future lease payments due under all aircraft operating leases were
approximately $467 million at September 30, 1997.

As previously reported, the Company gave notice to Bombardier Regional Aircraft
Division ("BRAD") of its decision to exercise an option to cancel five Dash
8-200 aircraft on order and cancel delivery of the eight remaining previously
ordered Dash 8-200 aircraft because of production delays and initial operating
reliability issues. The Company had originally ordered 25 of the 37-seat,
turboprop aircraft. Long-term financing for all 12 Dash 8-200 aircraft delivered
and placed in service has been completed. On August 15, 1997, the Company
reached an agreement with BRAD providing for conversion of the remaining eight
Dash 8-200 aircraft on order into orders for eight Canadair Regional Jet ("CRJ")
aircraft.

In August 1996, Mesa entered into a memorandum of understanding with BRAD to
acquire 16 CRJ 50-passenger jet aircraft with options to acquire an additional
32 of the jet aircraft. In August 1997, Mesa announced that it would exercise
options for 16 of its 32 option aircraft reserved under the option agreement
including the conversion of eight of its Dash 8-200 aircraft then on order to
CRJ 50-passenger jet aircraft. The order for 32 aircraft totals approximately
$640 million. Mesa has an $8.5 million deposit with BRAD relating to this order.
This deposit will increase to $9.1 million by September 1, 1998. Eleven CRJ
aircraft had been delivered to Mesa by December 18, 1997. The Company expects to
receive nine more CRJ aircraft in 1998 and the remaining 12 jets are scheduled
to be delivered in 1999. The Company has an agreement to trade in 32 Embraer 120
Brasilia ("EMB-120") aircraft to BRAD on a one-for-one basis for the 32 CRJ
aircraft being acquired from BRAD. Eight of the 32 EMB-120 trade-in aircraft
were originally traded in on the eight Dash 8-200 aircraft order which were
subsequently converted 


                                       25
<PAGE>   27
into orders for CRJ aircraft. All EMB-120 aircraft are required to be in
airworthy condition under Mesa's maintenance program at the time of the
trade-in. Mesa has committed to maintain the trade-in EMB-120 aircraft on its
maintenance program until such aircraft are sold or released to another
operator. As of December 18, 1997, 13 EMB-120s have been delivered to BRAD.
Should the Company fail to receive favorable financing terms from third parties
on the ordered CRJ aircraft to be delivered to the Company, the Company has the
right to obtain financing for the CRJ aircraft from BRAD, subject to the Company
meeting certain creditworthiness standards.

Approximately $1.0 million was incurred as a one-time expense in the fourth
quarter of fiscal 1997 related to the two Fokker 70 aircraft returned by the
Company to Daimler-Benz.

On January 9, 1997, one of the Company's wholly owned subsidiaries, FCA, Inc.,
entered into a distributorship agreement (the "Distributor Agreement") with Sino
Swearingen Aircraft Company, L. P. ("SSAC") for the distribution of corporate
jets. The Distributor Agreement requires FCA to maintain a retail sales area,
hangar and maintenance facility, with appropriate staff, an adequate supply of
spare parts at a general aviation airport strategically located within FCA's
distribution area, and certain other requirements. The Company is subject to an
annual minimum purchase requirement to be adjusted by SSAC and the Company on an
annual basis. The initial annual purchase requirement was three aircraft. FCA
has agreed to purchase eight aircraft from SSAC with delivery dates beginning in
the first quarter of 1999 and ending in the first quarter of 2001. The current
purchase price of each aircraft is approximately $3.5 million and is subject to
change by SSAC. FCA is required to make progress payments to SSAC on each
aircraft as follows: upon execution of the purchase agreement, $75,000; 365 days
prior to delivery date, $50,000; 180 days prior to delivery date, $150,000; at
delivery, approximately $3.225 million (based upon the current purchase price)
reduced by the distributors' profit. In total, FCA is presently obligated to
purchase eight aircraft for approximately $28 million at current prices. FCA is
also obligated to purchase an adequate supply of parts to support aircraft sold
in the distribution area. In February 1997, FCA made progress payments of
$600,000 to SSAC against its purchase order for eight aircraft. The Chief
Executive Officer of SSAC, Mr. Jack Braly, is a member of the Board of Directors
of Mesa Air Group, Inc. (See, Item 13., "Certain Relationships and Related
Transactions.")

The Company has negotiated 10-year engine maintenance contracts with General
Electric Aircraft Engines ("GE") for the CRJ and with Pratt and Whitney, Canada
Aircraft Services ("PWC") for the Dash 8-200 aircraft. The GE engine maintenance
contract provides coverage for the engines on the first 16 CRJ aircraft to be
delivered. The Company is presently negotiating with GE to add the CRJ aircraft
engines for 16 additional CRJ aircraft to this maintenance contract. The PWC
contract provides coverage for all Dash 8-200 aircraft engines operated by the
Company. Both contracts provide for payment at the time of the repair event and
a fixed dollar amount per flight hour, subject to escalation based on changes in
the CPI, for the number of flight hours incurred since the previous event.

As a result of a special review by the FAA of Mesa's operations, a Consent Order
was signed with the FAA in September 1996, assessing a compromise civil penalty
of $500,000. Mesa paid $250,000 of the compromise amount, and the remaining
$250,000 was waived in September 1997 upon Mesa's compliance with provisions of
the Consent Order.


                                       26
<PAGE>   28
Company management is monitoring the extent of new costs imposed on its 19- and
30-seat aircraft operations by the implementation of the additional operating
procedures required by FAR Part 121 and the consent order. At present,
management believes the continuing costs of implementing the new operating
procedures required by FAR Part 121 and the Consent Order approximate $4.5
million per annum. The $4.5 million of increased costs are primarily related to
additional training, dispatch and maintenance procedures.

The ongoing costs estimates to comply with FAR Part 121 regulations and the
consent order are forward looking statements that involve a number of
uncertainties which could cause actual costs to differ materially from the
forward looking statements including, among other factors, promulgation of
future FAA regulations, administrative rules, or informal requests by the FAA
requiring the hiring of additional personnel, addition of new aircraft
mechanical equipment, payment of additional fines and the impact of future laws
or Congressional investigations all of which could have the effect of increasing
the costs of compliance.

In connection with the $72.1 million loss provision for the fiscal year ended
September 30, 1997, the Company believes that it will incur approximately $15 to
$20 million in cash expenditures in fiscal 1998 primarily as a result of the
costs to be incurred for disposition of the surplus aircraft, severance and
other expenditures. The estimated cash expenditure is a forward-looking
statement which is subject to change caused by, among other factors, the timing,
sale and relocation of aircraft, employee severance and relocation costs, and
other costs related to the Company's restructuring of its operations.

Mesa does not expect any material negative impact to its operations as a result
of inflation. Mesa believes fares and fee per departure rates, and accordingly
revenues, can be changed to offset the impact of inflation. At September 30,
1997, approximately 87 percent of the Company's $370 million of indebtedness was
at fixed rates. However, $317 million of the total debt converts from fixed to
variable interest rates upon the seventh anniversary of the delivery date of the
financed aircraft and may be affected by inflation if such inflation results in
an increase in interest rates. Management's belief that inflation will have no
material negative impact on the Company is a forward-looking statement. Actual
results could differ materially from the forward-looking statements due to
general economic factors which cannot be foreseen or controlled by Mesa and its
management.

Management of the Company recognizes the need to ensure its operations will not
be adversely impacted by Year 2000 software failure. To date the Company has not
completed its analysis of the potential Year 2000 risk and therefore the cost to
the Company as a result of Year 2000 software has not been fully determined.


NEW ACCOUNTING STANDARDS

The Financial Accounting Standards Board ("FASB") has issued several new
pronouncements that are not yet adopted by the Company.

In February 1997 the FASB issued SFAS No. 128, "Earnings Per Share," which
specifies the computation, presentation and disclosure requirements for earnings
per share for entities with publicly-held common stock. SFAS No. 128 will be
effective for the Company for the quarter ending December 31, 1997; earlier
application is not permitted. This new accounting standard 


                                       27
<PAGE>   29
will require presentation of basic earnings per share (which for the Company is
currently anticipated to result in slightly higher earnings per share than would
otherwise be reported) and diluted earnings per share (which for the Company is
currently anticipated to result in essentially the same earnings per share as
the Company would otherwise report as primary earnings per share).

In February 1997 the FASB issued SFAS No. 129, "Disclosure of Information about
Capital Structure," to consolidate existing disclosure requirements. This new
standard contains no change in disclosure requirements for the Company. It will
be effective for the Company for the quarter ending December 31, 1997.

In June 1997 the FASB issued SFAS No. 130, "Reporting Comprehensive Income," to
establish standards for reporting and display of comprehensive income (all
changes in equity during a period except those resulting from investments by and
distributions to owners) and its components in financial statements. This new
standard, which will be effective for the Company for the fiscal year ended
September 30, 1999, is not currently anticipated to have a significant impact on
the Company's consolidated financial statements based on the current financial
structure and operations of the Company.

In June 1997 the FASB issued SFAS No. 131, "Disclosures about Segments of an
Enterprise and Related Information," to establish standards for reporting
information about operating segments in annual financial statements, selected
information about operating segments in interim financial reports and
disclosures about products and services, geographic areas and major customers.
This new standard, which will be effective for the Company for the fiscal year
ending September 30, 1999, will require the Company to report financial
information on the basis that is used internally for evaluating segment
performance and deciding how to allocate resources to segments, which is
currently anticipated to result in more detailed information in the notes to the
Company's consolidated financial statements than is currently required and
provided.

FORWARD-LOOKING STATEMENTS


                                       28
<PAGE>   30
This Form 10-K contains information regarding the replacement, deployment, and
acquisition of certain numbers and types of aircraft, entry into an independent
jet operation, and projected expenses associated therewith; costs of compliance
with FAA regulations and other rules and acts of Congress; the passing of taxes,
fuel costs, inflation, and various expenses to the consumer; the relocation of
certain operations of the Company; the resolution of litigation in a favorable
manner; and certain projected financial obligations. These statements, in
addition to statements made in conjunction with the words "expect,"
"anticipate," "intend," "plan," "believe," "seek," "estimate," and similar
expressions, are forward-looking statements that involve a number of risks and
uncertainties. The following is a list of factors, among others, that could
cause actual results to differ materially from the forward-looking statements:
business conditions and growth in certain market segments and industries and the
general economy; an increase in competition along the routes the Company plans
to operate its newly acquired aircraft; material delays in completion by the
manufacturer of the ordered and yet-to-be delivered aircraft; changes in general
economic conditions, such as fuel price increases, and changes in regional
economic conditions, making the costs of aircraft operation prohibitive in the
targeted regions the Company plans to operate the newly acquired aircraft; the
Company's relationship with employees and the terms of future collective
bargaining agreements and the impact of current and future laws, Congressional
investigations, and governmental regulations affecting the airline industry and
the Company's operations; bureaucratic delays on amendments to existing
legislation; consumers unwilling to incur greater costs for flights; unfavorable
resolution of negotiations with municipalities for the leasing of facilities;
and risks associated with trial outcomes. See page 2 of Form 10-K.


Item 8.     Financial Statements and Supplementary Data


      1. Consolidated Financial Statements

            Page 30 - Independent Auditors' Report

            Page 31 - Consolidated Balance Sheets - September 30, 1997 and 1996

            Page 33 - Consolidated Statements of Operations - Years ended
                      September 30, 1997, 1996, and 1995

            Page 34 - Consolidated Statements of Cash Flows - Years ended
                      September 30, 1997, 1996, and 1995

            Page 35 - Consolidated Statements of Stockholders' Equity - Years
                      ended September 30, 1997, 1996, and 1995

            Page 36 - Notes to Consolidated Financial Statements

      All schedules for which provision is made in the applicable accounting
      regulations of the Securities and Exchange Commission have been omitted
      because they are not applicable, not required or the information has been
      furnished elsewhere.


                                       29
<PAGE>   31
                         REPORT OF INDEPENDENT AUDITORS


THE BOARD OF DIRECTORS AND STOCKHOLDERS

MESA AIR GROUP, INC.:

We have audited the accompanying consolidated balance sheets of Mesa Air Group,
Inc. and subsidiaries as of September 30, 1997 and 1996, and the related
consolidated statements of operations, cash flows, and stockholders' equity for
each of the years in the three-year period ended September 30, 1997. These
consolidated financial statements are the responsibility of the Company's
management. Our responsibility is to express an opinion on these consolidated
financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of Mesa Air Group, Inc.
and subsidiaries as of September 30, 1997 and 1996 and the results of their
operations and their cash flows for each of the years in the three-year period
ended September 30, 1997 in conformity with generally accepted accounting
principles.


                                                           KPMG Peat Marwick LLP

Phoenix, Arizona

December 12, 1997, except for certain 
information contained in notes 4, 11 and 15 
which is as of January 10, 1998


                                       30
<PAGE>   32
MESA AIR GROUP, INC.
CONSOLIDATED BALANCE SHEETS
(in thousands except share amounts)


<TABLE>
<CAPTION>
                                                           September 30
                                                       -------------------
                                                         1997       1996
- -------------------------------------------------------------------------------
<S>                                                    <C>        <C>
ASSETS
Current assets:

  Cash and cash equivalents                            $ 57,232   $ 54,720
  Marketable securities (note 2)                          8,690      5,300
  Receivables, principally traffic                       53,852     41,105
  Income taxes receivable (note 5)                        6,999       --
  Expendable parts and supplies, less allowance for
    obsolescence of $2,631 and $1,350                    31,377     26,956

   Prepaid expenses and other current assets              8,553      6,394
                                                       -------------------

        Total current assets                           $166,703   $134,475


Property and equipment, net (notes 3 and 4)             440,890    452,273
Lease and equipment deposits (notes 8 and 9)             10,354     10,889
Intangibles, less amortization of $5,200 and $11,478     22,071     53,538
Other assets                                              9,848     27,316
                                                       -------------------

        Total assets                                   $649,866   $678,491
                                                       ===================
</TABLE>




See accompanying notes to consolidated financial statements.


                                       31
<PAGE>   33
MESA AIR GROUP, INC.
CONSOLIDATED BALANCE SHEETS
(in thousands except share amounts)

<TABLE>
<CAPTION>
                                                                             September 30
                                                                        --------------------
                                                                           1997       1996
- --------------------------------------------------------------------------------------------
<S>                                                                     <C>        <C>
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:

  Current portion of long-term debt and capital leases (note 4)         $ 31,786   $ 17,127
  Accounts payable                                                        21,884     13,811
  Income taxes payable (note 5)                                             --        3,708
  Air traffic liability                                                    6,785      4,789
  Accrued compensation                                                     7,025      5,010
  Other accrued expenses                                                  30,662     19,170
                                                                        -------------------

        Total current liabilities                                         98,142     63,615
                                                                        -------------------


Long-term debt and capital leases, excluding current portion (note 4)    338,199    338,278
Deferred credits and other liabilities                                    34,837     29,538
Deferred income taxes (note 5)                                             1,600     22,394
Stockholders' equity (note 6):
   Preferred stock of no par value, 2,000,000 shares
     authorized; no shares issued and outstanding                           --         --
    Common stock of no par value, 75,000,000 shares authorized;
     28,294,584 shares in 1997 and 28,243,382 shares in 1996 issued
     and outstanding                                                     101,361    100,876

Retained earnings                                                         72,686    121,283
Unrealized gain on marketable securities, net of deferred
  income taxes of $1,754 and $1,420 (note 2)                               3,041      2,507
                                                                        -------------------

        Total stockholders' equity                                       177,088    224,666
                                                                        -------------------

Commitments, contingencies and
  subsequent events (notes 4, 7, 8, 9, 11 and 15)


        Total liabilities and stockholders' equity                      $649,866   $678,491
                                                                        ===================
</TABLE>



          See accompanying notes to consolidated financial statements.


                                       32
<PAGE>   34

MESA AIR GROUP, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share amounts)



<TABLE>
<CAPTION>
                                                                  Years Ended September 30
                                                                  ------------------------
                                                               1997         1996         1995
                                                             ---------    ---------    ---------
<S>                                                          <C>          <C>          <C>      
Operating revenues:
   Passenger                                                 $ 500,822    $ 489,432    $ 442,087
   Freight and other                                             6,673        7,387        7,636
   Public service                                                3,482        3,544        5,416
                                                             ---------    ---------    ---------
      Total operating revenues                                 510,977      500,363      455,139
                                                             ---------    ---------    ---------
Operating expenses:

   Flight operations                                           181,696      166,151      166,596
   Maintenance                                                  93,278       81,400       73,701
   Aircraft and traffic servicing                               85,755       73,469       64,120
   Promotion and sales                                          75,448       74,844       73,289
   General and administrative                                   26,543       29,186       26,921
   Depreciation and amortization                                34,859       24,296       20,940
   Other operating items (note 15)                              67,884        3,023         --
                                                             ---------    ---------    ---------
      Total operating (income) expenses                        565,463      452,369      425,567
                                                             ---------    ---------    ---------
      Operating income (loss)                                  (54,486)      47,994       29,572
                                                             ---------    ---------    ---------
Non-operating income (expenses):

   Interest expense                                            (27,776)     (12,777)      (6,395)
   Interest income                                               1,837        2,274        1,970
   Other (note 2)                                                1,250       12,028       (2,126)
                                                             ---------    ---------    ---------
      Total non-operating expenses                             (24,689)       1,525       (6,551)
                                                             ---------    ---------    ---------
      Earnings (loss) before income tax expense (benefit)      (79,175)      49,519       23,021

Income tax expense (benefit) (note 5)                          (30,578)      19,112        9,009
                                                             ---------    ---------    ---------
      Net earnings (loss)                                    $ (48,597)   $  30,407    $  14,012
                                                             =========    =========    =========
Average common and common equivalent shares outstanding         28,275       30,449       33,363
                                                             =========    =========    =========
Net earnings (loss) per common and common equivalent share   $   (1.72)   $    1.00    $    0.42
                                                             =========    =========    =========
</TABLE>


          See accompanying notes to consolidated financial statements.


                                       33
<PAGE>   35
MESA AIR GROUP, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)


<TABLE>
<CAPTION>
                                                                      Years Ended September 30
                                                                      ------------------------
                                                                    1997        1996        1995
                                                                  --------    --------    --------
<S>                                                               <C>         <C>         <C>     
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net earnings (loss)                                            $(48,597)   $ 30,407    $ 14,012

   Adjustments to reconcile net earnings (loss)
      to net cash flows from operating activities:

      Depreciation and amortization                                 34,859      24,296      20,940
      Provision for code-share agreements and other liabilities     72,100      10,000        --
      Deferred income taxes                                        (20,439)     10,473         493
      (Gain) loss on disposal of property and equipment               --           689         (82)
      (Gain) loss on sale of securities                               --       (22,008)        145
      Amortization of deferred credits                              (1,745)     (3,271)     (1,964)
      Stock bonus plan                                                 349         970         538
   Changes in assets and liabilities, net of acquisitions:

      Receivables                                                  (12,747)      3,706       1,658
      Income taxes receivable                                       (6,999)       --          --
      Expendable parts and supplies                                 (4,421)     (2,274)     (5,281)
      Prepaid expenses and other current assets                     (2,159)        529         442
      Accounts payable                                               8,073      (4,361)     12,485
      Other accrued liabilities                                     (7,306)     (6,109)       (400)
                                                                  --------    --------    --------
      NET CASH FLOWS FROM OPERATING ACTIVITIES                      10,968      43,047      42,986
                                                                  --------    --------    --------
CASH FLOWS FROM INVESTING ACTIVITIES:

   Capital expenditures                                             (4,562)    (20,263)    (92,296)
   Proceeds from sale of property and equipment                      1,874       1,616      99,634
   Proceeds from maturities and sale of marketable securities        1,000      40,861      23,499
   Purchased intangibles                                              --          --       (34,489)
   Other assets                                                      9,539        (354)     (2,492)
   Lease and equipment deposits                                       (339)        699      (9,365)
                                                                  --------    --------    --------
      NET CASH FLOWS FROM INVESTING ACTIVITIES                       7,512      22,559     (15,509)
                                                                  --------    --------    --------
CASH FLOWS FROM FINANCING ACTIVITIES:

   Proceeds received from long-term debt                              --          --         5,000
   Principal payments on long-term debt and
     obligations under capital leases                              (17,114)    (12,141)    (18,553)
   Proceeds from issuance of common stock                              123       1,510       1,592
   Common stock repurchase and retirement                             --       (53,930)       --
   Proceeds from deferred credits                                    1,023        --         2,592
                                                                  --------    --------    --------
      NET CASH FLOWS FROM FINANCING ACTIVITIES                     (15,968)    (64,561)     (9,369)
                                                                  --------    --------    --------
NET CHANGE IN CASH AND CASH EQUIVALENTS                              2,512       1,045      18,108

CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR                      54,720      53,675      35,567
                                                                  --------    --------    --------
CASH AND CASH EQUIVALENTS AT END OF YEAR                          $ 57,232    $ 54,720    $ 53,675
                                                                  ========    ========    ========
</TABLE>


          See accompanying notes to consolidated financial statements.


                                       34
<PAGE>   36
MESA AIR GROUP
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

Years ended September 30, 1997, 1996 and 1995
(in thousands except number of shares)


<TABLE>
<CAPTION>
                                                                        Available
                                            Number of      Common        Retained       for sale
                                             shares         stock        earnings      securities        Total
                                             ------         -----        --------      ----------        -----
<S>                                       <C>           <C>            <C>            <C>            <C>        
Balance at September 30, 1994             32,704,042    $   147,695    $    76,864    $     9,757    $   234,316

Exercise of options (note 6)                 687,487          1,592           --             --            1,592

Stock bonus plan (note 7)                     69,213            538           --             --              538

Tax benefits from sale of optioned
   stock                                        --            2,132           --             --            2,132

Change in unrealized gains, net of tax
   (note 2)                                     --             --             --            3,293          3,293

Net earnings                                    --             --           14,012           --           14,012
                                          ----------    -----------    -----------    -----------    -----------

Balance at September 30, 1995             33,460,742    $   151,957    $    90,876    $    13,050    $   255,883

Exercise of options (note 6)                 194,759          1,510           --             --            1,510

Stock bonus plan (note 7)                     94,281            970           --             --              970

Common stock repurchase                   (5,506,400)       (53,930)          --             --          (53,930)

Tax benefits from sale of optioned
   stock                                        --              369           --             --              369

Change in unrealized gains, net of tax
   (note 2)                                     --             --             --          (10,543)       (10,543)

Net earnings                                    --             --           30,407           --           30,407
                                          ----------    -----------    -----------    -----------    -----------

Balance at September 30, 1996             28,243,382    $   100,876    $   121,283    $     2,507    $   224,666

Exercise of options (note 6)                  16,333            123           --             --              123

Stock bonus plan (note 7)                     34,869            349           --             --              349

Tax benefits from sale of optioned
   stock                                        --               13           --             --               13

Change in unrealized gains, net of tax
   (note 2)                                     --             --             --              534            534

Net loss                                        --             --          (48,597)          --          (48,597)
                                          ----------    -----------    -----------    -----------    -----------
Balance at September 30, 1997             28,294,584    $   101,361    $    72,686    $     3,041    $   177,088
                                          ==========    ===========    ===========    ===========    ===========
</TABLE>


          See accompanying notes to consolidated financial statements.


                                       35
<PAGE>   37
MESA AIR GROUP, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Years ended September 30, 1997, 1996 and 1995

1.    Summary of Significant Accounting Policies

      a.    Principles of Consolidation and Organization

            Mesa Air Group, Inc. and its subsidiaries ("Mesa") is a group of
            regional airlines providing service in various regions across the
            United States as AmericaWest Express, Mesa Airlines, United Express
            and US Airways Express utilizing 179 turboprop aircraft and seven
            jet aircraft.

            Mesa is a Nevada corporation which owns Mesa Airlines, Inc. ("MAI"),
            a Nevada corporation and certificated air carrier; WestAir Holding,
            Inc., a California corporation and owner of certificated air carrier
            WestAir Commuter Airlines, Inc.; Air Midwest, Inc., a Kansas
            corporation and certificated air carrier. Mesa's non-airline
            subsidiaries are MPD, Inc., a Nevada corporation dba Mesa Pilot
            Development, the Company's pilot training program; FCA, Inc., a
            Nevada corporation, dba Four Corners Aviation, a fixed-base
            operation at Farmington, New Mexico; Mesa Leasing, Inc. a Nevada
            corporation established to assist the Company in the acquisition and
            leasing of aircraft; and MAGI Insurance, Ltd. a Barbados, West
            Indies based insurance company. The consolidated financial
            statements include the accounts of Mesa and its wholly owned
            subsidiaries. All significant intercompany balances and transactions
            have been eliminated in consolidation.

            Mesa currently operates as AmericaWest Express under a code-sharing
            agreement which expires in 2004 with America West, utilizing a
            Phoenix, Arizona hub.

            Mesa utilizes an Albuquerque hub as Mesa Airlines, serving the
            Southwest and Rocky Mountain regions.

            Mesa operates as United Express under two separate code-sharing
            agreements with United Airlines, Inc. ("UAL"). One code-sharing
            agreement, expiring in May 1998, covers operations on the West Coast
            originating out of hubs in San Francisco, Los Angeles, Portland and
            Seattle (WestAir). The other UAL code-sharing agreement expiring in
            2005, provides for operations as United Express out of hubs in
            Denver, Los Angeles, Portland and Seattle (Denver system). (See note
            11, "Commitments and Contingencies" and note 15, "Other Operating
            Items.")

            Mesa operates as US Airways Express under four code-sharing
            agreements with US Airways, Inc. ("US Airways"). One agreement
            covers operations utilizing a Kansas City hub and expires in 2000.
            Another US Airways code-sharing agreement covers operations out of
            the Pittsburgh hub and expires in 2003. The third agreement covers
            hubs in New Orleans, Tampa, Orlando, Philadelphia and 


                                       36
<PAGE>   38
            Boston and expires in 2004. The fourth agreement which was entered
            into in November 1997 with operations to commence in January 1998,
            provides for Canadair Regional Jet ("CRJ") 50-passenger jet service
            on certain defined routes and expires in 2003.

            MPD, Inc. provides flight training in coordination with a community
            college. FCA, Inc. is a fixed-base operation in Farmington, New
            Mexico. Regional Aircraft Services, Inc. and Desert Turbine Services
            provide aircraft and engine maintenance service to Mesa.

            MAGI Insurance, Ltd. is a captive insurance created to handle
            freight and baggage claims in addition to a portion of Mesa's
            aviation insurance.

      b.    Cash and Cash Equivalents

            For purposes of the statements of cash flows, Mesa considers all
            highly liquid debt instruments with original maturities of three
            months or less to be cash equivalents.

      c.    Marketable Securities

            All marketable securities are considered to be available for sale.
            Any unrealized holding gains or losses on available-for-sale
            securities have been recorded net of deferred taxes through
            stockholders' equity. Premiums and discounts on debt securities are
            amortized over the term to maturity using the interest method.

      d.    Receivables

            Mesa provides commercial air transportation into most regions of the
            United States. The majority of the passenger tickets collected by
            Mesa at the time of travel are sold by other air carriers largely as
            a result of the code-sharing agreements discussed above. As a
            result, Mesa has a significant concentration of its accounts
            receivable with other air carriers and does not have any collateral
            securing such accounts receivable. At September 30, 1997 and 1996,
            accounts receivable from air carriers totaled approximately $41.7
            million and $33.8 million, respectively. Accounts receivable credit
            losses have not been significant and have been within management's
            expectations.

      e.    Expendable Parts and Supplies

            Expendable parts and supplies are stated at the lower of average
            cost or market, less an allowance for obsolescence. Expendable parts
            and supplies are charged to expense as they are used.

      f.    Property and Equipment

            Property and equipment are recorded at cost and depreciated to
            estimated residual values. Depreciation of property and equipment is
            provided on a straight-line basis over estimated useful lives as
            follows:


                                       37
<PAGE>   39
          Buildings                30 years
          Flight equipment         7-20 years
          Leasehold improvements   Life or term of lease, whichever is less
          Equipment                5-12 years
          Furniture and fixtures   3-5 years
          Vehicles                 5 years

      Assets utilized under capital leases are amortized over the lesser of the
      lease term or the estimated useful life of the asset using the
      straight-line method. Amortization of capital leases is included in
      depreciation expense.

g.    Intangibles

      The Company evaluates the recoverability of its intangibles assets by
      measuring the carrying amount of the assets against the estimated
      undiscounted future cash flows associated with them. At the time such
      evaluations indicate that the future undiscounted cash flows are not
      sufficient to recover the carrying value of such assets, the assets are
      adjusted to their fair values.

      In July 1991, Mesa acquired Air Midwest, Inc. This acquisition resulted in
      purchased intangibles of approximately $10.2 million, which are being
      amortized over a 40-year period. Subsequently the intangibles were reduced
      by approximately $4.7 million for the recognition of the tax effects of
      net operating loss and investment tax credit carryovers acquired in the
      Air Midwest purchase.

      In 1994, Mesa entered into Asset Purchase Agreements related to operations
      as US Airways. Intangible assets acquired of $21.8 million are being
      amortized over a 20-year period.

      During October 1994, Mesa reached an agreement with UAL for the purchase
      of certain aircraft and provided for a 10-year extension of its
      code-sharing agreement for its Denver and Los Angeles markets. Intangible
      assets related to this agreement of $34.5 million are being amortized over
      the 10-year life of the agreement. Based upon the Company's evaluations,
      the intangibles related to the Company's Denver operation have been
      determined to be impaired at September 30, 1997 and a provision has been
      made for the carrying value of $26.3 million. (See note 11, "Commitments
      and Contingencies" and note 15, "Other Operating Items.")

h.    Income Taxes

      Income taxes are accounted for under the asset and liability method.
      Deferred tax assets and liabilities are recognized for the future tax
      consequences attributable to differences between the financial statement
      carrying amounts of existing assets and liabilities and their respective
      tax bases and operating loss and tax credit carryforwards. Deferred tax
      assets and liabilities are measured using enacted tax rates expected to
      apply to taxable income in future years in which those temporary
      differences are expected to be recovered or settled. The 


                                       38
<PAGE>   40
      effect on deferred tax assets and liabilities of a change in tax rates is
      recognized in income in the period that includes the enactment date. Mesa
      and its subsidiaries file a consolidated federal income tax return.

i.    Deferred Credits

      Deferred lease incentives consist of credits for parts or services and
      deferred gains from the sale and leaseback of aircraft. Deferred credits
      are amortized on a straight-line basis as a reduction of lease expense
      over the term of the respective leases.

j.    Revenues

      Passenger, freight and other revenues are recognized as earned when the
      service is provided.

      Mesa receives public service revenues for providing scheduled air service
      to certain small communities. These revenues are recognized as earned in
      the period to which the payments relate. The amount of such payments is
      determined by the Department of Transportation on the basis of its
      evaluation of the amount of revenue needed to meet operating expenses and
      to provide a reasonable return on investment with respect to eligible
      routes.

      As a code-share partner for America West, UAL, and US Airways, Mesa
      participates in the frequent flyer programs of these airlines. Incremental
      costs for mileage accumulation relating to those programs is expensed as
      incurred.

      During 1997, the Company created a frequent travel award program known as
      MesaMax for travel within its own independent operation. The program
      offers travelers free flight awards based on accumulated tickets
      purchased. The estimated cost of providing the free travel, using the
      incremental cost method as adjusted for estimated redemption rates, is
      recognized as a liability and charged to operations as program members
      accumulate mileage.

k.    Maintenance

      Maintenance and repairs, including major engine overhauls, are charged to
      operating expenses as incurred.


                                       39
<PAGE>   41
l.    Earnings (Loss) Per Common and Common Equivalent Share

      Earnings (loss) per common and common equivalent share are computed based
      on the weighted average number of common shares, and if dilutive, common
      stock equivalent shares (options) outstanding during the respective
      periods. Fully diluted per share amounts are not materially different than
      primary per share amounts and have not been presented. The number of
      shares used in the per share computation are as follows:


<TABLE>
<CAPTION>
                                                         September 30
                                                  1997          1996          1995
                                              ------------------------------------------
                                                        (in thousands)
<S>                                               <C>           <C>           <C>
Weighted average shares of common
  stock outstanding during the year               28,275        29,988        32,857
Common stock equivalent shares  --
  assumed exercise of options                       --             461           506


                                              ------------------------------------------

                                                  28,275        30,449        33,363
                                              ==========================================
</TABLE>


m.    Stock Options

      Prior to October 1, 1996, the Company accounted for its stock option plan
      in accordance with the provisions of Accounting Principles Board ("APB")
      Opinion No. 25, "Accounting for Stock Issued to Employees," and related
      interpretations. As such, compensation expense would be recorded on the
      date of grant only if the current market price of the underlying stock
      exceeded the exercise price. On October 1, 1996, the Company adopted
      Statement of Financial Accounting Standards ("SFAS") No. 123, "Accounting
      for Stock-Based Compensation," which permits entities to recognize as
      expense over the vesting period the fair value of all stock-based awards
      on the date of grant. Alternatively, SFAS No. 123 also allows entities to
      continue to apply the provisions of APB Opinion No. 25 and provide pro
      forma net earnings and pro forma earnings per share disclosures for
      employee stock option grants made in fiscal 1996 and future years as if
      the fair-value-based method defined in SFAS No. 123 had been applied. The
      Company has elected to continue to apply the provisions of APB Opinion No.
      25 and provide pro forma disclosure provision of SFAS No. 123. (See note
      6, "Stockholders' Equity.")

n.    Use of Estimates

      Management of the Company has made certain estimates and assumptions
      relating to the reporting of assets and liabilities and the disclosure of
      contingent assets and liabilities to prepare these financial statements in
      conformity with generally accepted accounting principles. Actual results
      could differ from those estimates.


                                       40
<PAGE>   42
         o.       New Accounting Standards

                  The Financial Accounting Standards Board ("FASB") has issued
                  several new pronouncements that are not yet adopted by the
                  Company.

                  In February 1997 the FASB issued SFAS No. 128, "Earnings Per
                  Share," which specifies the computation, presentation and
                  disclosure requirements for earnings per share for entities
                  with publicly-held common stock. SFAS No. 128 will be
                  effective for the Company for the quarter ending December 31,
                  1997; earlier application is not permitted. This new
                  accounting standard will require presentation of basic
                  earnings per share (which for the Company is currently
                  anticipated to result in slightly higher earnings per share
                  than would otherwise be reported) and diluted earnings per
                  share (which for the Company is currently anticipated to
                  result in essentially the same earnings per share as the
                  Company would otherwise report as primary earnings per share).

                  In February 1997 the FASB issued SFAS No. 129, "Disclosure of
                  Information about Capital Structure," to consolidate existing
                  disclosure requirements. This new standard contains no change
                  in disclosure requirements for the Company. It will be
                  effective for the Company for the quarter ending December 31,
                  1997.

                  In June 1997 the FASB issued SFAS No. 130, "Reporting
                  Comprehensive Income," to establish standards for reporting
                  and display of comprehensive income (all changes in equity
                  during a period except those resulting from investments by and
                  distributions to owners) and its components in financial
                  statements. This new standard, which will be effective for the
                  Company for the fiscal year ended September 30, 1999, is not
                  currently anticipated to have a significant impact on the
                  Company's consolidated financial statements based on the
                  current financial structure and operations of the Company.

                  In June 1997 the FASB issued SFAS No. 131, "Disclosures about
                  Segments of an Enterprise and Related Information," to
                  establish standards for reporting information about operating
                  segments in annual financial statements, selected information
                  about operating segments in interim financial reports and
                  disclosures about products and services, geographic areas and
                  major customers. This new standard, which will be effective
                  for the Company for the fiscal year ending September 30, 1999,
                  will require the Company to report financial information on
                  the basis that is used internally for evaluating segment
                  performance and deciding how to allocate resources to
                  segments, which is currently anticipated to result in more
                  detailed information in the notes to the Company's
                  consolidated financial statements than is currently required
                  and provided.


2.       Marketable Securities

         Marketable securities available for sale are summarized as follows:


                                       41


                                        
<PAGE>   43
<TABLE>
<CAPTION>
                                                    September 30
                                               1997               1996
                                          -------------------------------------
                                                  (in thousands)
                                          Cost     Market    Cost      Market
                                          Basis    Value
                                          -------------------------------------
<S>                                       <C>      <C>      <C>        <C>    
Equity securities -- available for sale   $3,895   $8,690   $ 3,903    $ 7,830
                                          -------------------------------------

Debt securities -- municipal securities       --       --     1,001      1,001
                                          -------------------------------------
                                          $3,895   $8,690   $ 4,904    $ 8,831
Less equity securities classified as
  Other Assets                                --       --    (2,246)    (3,531)
                                          -------------------------------------
                                          $3,895   $8,690   $ 2,658    $ 5,300
                                          =====================================
</TABLE>

         On August 25, 1994, Mesa entered into the AmWest Partners, L. P.
         partnership agreement, which governs the terms of an investment by the
         partnership in America West providing for the consummation of America
         West's Plan of Reorganization. Upon making the investment, the
         partnership was dissolved. In consideration of the investment of
         approximately $18.7 million, Mesa received 100,000 Class A shares of
         common stock, 2,183,343 Class B shares of common stock and 799,767
         warrants. In February 1996, Mesa sold 1,984,970 shares of Class B
         common stock of America West, resulting in a realized gain of $22
         million. At September 30, 1997, 100,000 Class A shares, approximately
         200,000 Class B shares and warrants for approximately 800,000 Class B
         shares were classified as available for sale, and market appreciation
         of approximately $4,795,000 has been recorded (net of taxes) through
         equity.

3.       Property and Equipment

         Property and equipment consists of the following:

<TABLE>
<CAPTION>
                                               September 30
                                             1997        1996
                                          ----------------------
                                                (in thousands)
<S>                                       <C>          <C>      
Flight equipment, substantially pledged   $ 494,755    $ 482,736
Other equipment                              17,206       20,047
Construction in progress                        221            5
Leasehold improvements                        6,517        4,571
Furniture and fixtures                        2,422        2,355
Buildings                                     9,098        9,480
Land                                            525          525
Vehicles                                      2,258        2,200
                                          ----------------------
                                            533,002      521,919
Less accumulated depreciation               (92,112)     (69,646)
                                          ----------------------
Net property and equipment                $ 440,890    $ 452,273
                                          ======================
</TABLE>


                                       42

<PAGE>   44
         As of September 30, 1997 and 1996, Mesa had property and equipment
         consisting primarily of aircraft parts held for sale with a fair value
         of approximately $5.0 million and $11.7 million, respectively, included
         in Other Assets.


4.       Long-Term Debt, Capital Leases and Lines of Credit

         Long-term debt and capital leases consist of the following:

<TABLE>
<CAPTION>
                                                                                       September 30
                                                                                  ----------------------
                                                                                     1997         1996
                                                                                  ----------------------
                                                                                      (in thousands)
<S>                                                                               <C>          <C>      
           Notes payable to manufacturers: approximately $826,000 plus interest
           due monthly through 2011. Notes provide fixed and variable rates of
           interest ranging from 6.87% to 7.31% at September 30, 1997 
           Secured by aircraft                                                    $ 319,442    $ 297,327

           Notes payable to banks: Approximately $494,000 due monthly plus
           interest indexed to adjusted LIBOR rates (6.90%  to 7.78% at
           September 30, 1997) through 2006.  Secured by aircraft                    49,569       55,716


           Capital leases; due in monthly installments through 2005; interest
           indexed to prime rate.  Secured by equipment                                 974        2,362
                                                                                  ----------------------
                                                                                  
           Total long-term debt and capital leases                                  369,985      355,405

           Less current portion                                                     (31,786)     (17,127)
                                                                                  ----------------------
           Long-term debt and capital leases, excluding current portion           $ 338,199    $ 338,278
                                                                                  ======================
</TABLE>

           Principal maturities of long-term debt and capital leases for each of
           the next five years are as follows:


<TABLE>
<CAPTION>
                           Year Ending September 30:     
                       ----------------------------------
                                (in thousands)
<S>                                           <C>       
                       1998                   $   31,786
                       1999                       16,493
                       2000                       17,100
                       2001                       17,966
                       2002                       18,691
                                              ==========
</TABLE>

         At September 30, 1997, Mesa had a line of credit with a bank of $20
         million which was being utilized solely to secure outstanding letters
         of credit. An aggregate ceiling of $12 million applies to the letters
         of credit issued under this agreement, of which $4.3 million


                                       43

<PAGE>   45
         were outstanding at September 30, 1997. Should Mesa draw upon this line
         of credit, an interest rate of LIBOR plus 1.5 percent (7.28 percent at
         September 30, 1997) will apply. The line matures on March 31, 1998, and
         bears an annual fee of 1/4 percent. As of September 30, 1997 Mesa was
         not in compliance with certain debt covenants of the line of credit
         agreement, however the bank has waived compliance with such covenants.

         Certain loan and debt agreements with banks contain covenants which
         require Mesa to maintain or exceed stated levels of net worth and to
         equal or exceed specified debt and working capital ratios. As of
         September 30, 1997, Mesa was not in compliance with certain of these
         financial ratio covenants with total borrowings of $10.5 million which
         have been classified as current portion of long-term debt in the
         accompanying balance sheet. In January 1998, certain other financial
         ratio covenants were either waived or amended effective September 30,
         1997. The Company believes it will be in compliance with either its
         present covenants or amended covenants through September 30, 1998
         except for the aforementioned borrowings of $10.5 million which has
         been classified as current portion of long-term debt.

         In May 1996, Mesa refinanced operating leases on 66 aircraft utilizing
         debt financing. This resulted in additional debt of approximately $234
         million. Subsequent deliveries of 1900D aircraft have been financed by
         use of debt.

         Mesa leases certain equipment with noncancelable lease terms of more
         than one year which have been recorded as capital leases.



                                       44

<PAGE>   46
5.       Income Taxes

         Income tax expense (benefit) consists of the following:


<TABLE>
<CAPTION>
                                                   September 30
                                      1997               1996              1995
                                    --------------------------------------------
Current:                                            (in thousands)
<S>                                  <C>           <C>                  <C>     
     Federal                         $(10,139)         $  7,912         $  6,899

     State                                --                727            1,617
                                    --------------------------------------------
                                     $(10,139)         $  8,639         $  8,516
                                    --------------------------------------------
Deferred:

     Federal                          (16,054)            8,457              399

     State                             (4,385)            2,016               94
                                    --------------------------------------------
                                      (20,439)           10,473              493
                                    --------------------------------------------


                                     $(30,578)         $ 19,112         $  9,009
                                    ============================================
</TABLE>


         The actual income tax expense (benefit)  differs from the "expected" 
         tax expense (benefit) (computed by applying the U.S. federal corporate
         income tax rate of 35 percent in 1997, 1996 and 1995 to earnings (loss)
         before income taxes) as follows:


<TABLE>
<CAPTION>
                                                                     September 30


                                                           1997         1996         1995

                                                       ----------------------------------

                                                                    (in thousands)



<S>                                                     <C>          <C>          <C>     
Computed "expected" tax expense (benefit)               $(27,711)    $ 17,332     $  8,058


Increase (reduction) in income taxes resulting from:

    Intangibles                                               98           98            8

    Investment tax credits                                    --          (29)          --

    Tax exempt interest                                       (1)         (32)        (112)

    State taxes, net of federal tax benefit               (2,850)       1,783          951

    Other                                                   (114)         (40)         104
                                                       ----------------------------------


        Total income tax expense (benefit)              $(30,578)    $ 19,112     $  9,009

                                                       ==================================
</TABLE>


                                       45

<PAGE>   47
Elements of deferred income tax assets (liabilities) are as follows:


<TABLE>
<CAPTION>
                                                                        September 30
Deferred tax assets:                                                  1997         1996
                                                                  ---------------------

                                                                       (in thousands)

<S>                                                               <C>          <C>     
    Inventory, parts and equipment allowances                     $  2,485     $  1,288

    Accrued expenses                                                   904          845

    Deferred credit                                                    536        3,514

    Other accrued liabilities                                          770        4,380

    Provisions not deductible for tax                               27,831         --

    AMT credit carryover                                            12,922        5,507

    Unrealized holding gain on marketable securities                (1,754)      (1,420)

    Benefit of net operating loss and tax credit carryforwards      20,129        1,708
                                                                  ---------------------
                                                                    63,823       15,822

Valuation allowance                                                 (1,000)      (1,000)
                                                                  ---------------------
Net deferred tax assets                                             62,823       14,822
Deferred tax liabilities:

    Depreciation and tax capital lease differences                 (64,423)     (37,216)
                                                                  ---------------------
Net deferred taxes                                                $ (1,600)    $(22,394)
                                                                  =====================
</TABLE>

         Deferred tax assets include benefits estimated to be realized from the
         utilization of minimum tax credit carryforwards of $12.9 million which
         do not expire; from the utilization of investment tax credit
         carryforwards of $3 million which expire in 2000 through 2001; and net
         operating loss carryforwards of $39.4 million which expire during 2012.
         The tax benefits from the investment tax credit and loss carryforwards,
         which were obtained in the acquisition of Air Midwest, Inc., have been
         recorded as a reduction of intangibles. Management believes it is more
         likely than not that the results of future operations will generate
         sufficient taxable income to realize the net deferred tax assets.

         Mesa's U.S. federal income tax returns for the tax years ended
         September 30, 1993 and 1994 are being examined by the Internal Revenue
         Service (IRS). A final report of proposed adjustments, including a tax
         assessment of approximately $4.7 million, has been received from the
         IRS. Approximately $3 million of this adjustment is resultant from a
         prior audit and is undisputed. Although the ultimate outcome of the
         examination cannot be predicted with certainty, management is of the
         opinion that adequate provision exists in the financial statements for
         the estimated impact of the examination.


6.       Stockholders' Equity

         At September 30, 1997, Mesa has four stock-based compensation plans,
         which are described below.

         a.       On June 2, 1992, Mesa adopted an employee stock option plan
                  which provides for the granting of options to purchase up to
                  2,250,000 shares of Company 


                                       46

<PAGE>   48
                  common stock at the fair market value on the date of grant.
                  Under this plan, 1,999,481 shares have been granted. In 1996
                  shareholders voted to reduce the number of options available
                  for granting under the plan by 250,519. This eliminated all
                  remaining options available for granting under this plan.

         b.       On December 1, 1995, Mesa adopted an additional employee stock
                  option plan under the new management incentive program
                  (Omnibus Plan) which provides for the granting of options to
                  purchase up to 2,800,000 shares of Company common stock at the
                  fair market value on the date of grant. Under this plan,
                  options to 2,478,456 shares have been granted.

         c.       In March 1993, Mesa adopted a directors' stock option plan for
                  outside directors. This plan provides for the grant of options
                  for up to 800,000 shares of Mesa's common stock at fair market
                  value on the date of grant. This is a formula-based plan under
                  which options to 120,000 shares have been granted. In 1996
                  shareholders voted to reduce the number of options available
                  for granting under the plan by 590,000. There are 90,000
                  remaining shares reserved for options under this plan.

         d.       On December 9, 1994, Mesa adopted an additional directors'
                  stock option plan for outside directors. This plan provides
                  for the grant of options for up to 50,000 shares of Mesa's
                  common stock at fair market value on the date of grant. This
                  is a formula-based plan under which options to 36,000 shares
                  have been granted.

         At September 30, 1997, there were 425,544 shares of common stock
         available for grant under these plans.

         Transactions involving stock options under these plans are summarized
         as follows:


<TABLE>
<CAPTION>
                         1997                    1996                          1995
                       ----------------------------------------------------------------------

                                     Weighted               Weighted                 Weighted
                                     Average                Average                  Average
                        Shares       Exercise      Shares   Exercise     Shares      Exercise
      Fixed Options      (000)        Price         (000)    Price       (000)         Price
      -------------   ------------------------------------------------------------------------
<S>                   <C>          <C>            <C>       <C>         <C>        <C>
Outstanding at                                                                               
   beginning of year     3,389     $   10.30        1,625   $   11.38    2,225     $    8.65    
Granted                    709          6.03        2,007        9.17      273          7.67  
Exercised                  (16)         7.48         (195)       7.75     (687)         1.68  
Canceled/Forfeited        (717)         7.92          (48)       9.95     (186)         9.13  
                       --------                   --------              -------
                                                                                              
Outstanding at end                                                                            
   of year               3,365     $    9.93        3,389   $   10.30    1,625     $   11.38  
                       ========                   ========              =======
</TABLE>


                                       47

<PAGE>   49
         At September 30, 1997, the range of exercise prices was $4.88 - $19.25
         and the weighted-average contractual life of all options was 6.4 years.
         The number of options exercisable at September 30, 1997 and 1996 was
         1,822,497 and 1,509,332, respectively, and the weighted-average
         exercise price of these options was $11.67 and $10.76, respectively.

         The per share weighted-average fair value of stock options granted
         during 1997 and 1996 was $3.24 and $4.97, respectively, on the date of
         grant using the Black-Scholes option pricing model with the following
         weighted-average assumptions: expected dividend yield 0.0%, risk-free
         interest rate of 5.9%, volatility of 54.2% and an expected life of 4-6
         years.

         Mesa applies APB Opinion No. 25 and related Interpretations in
         accounting for its plans. Accordingly, no compensation cost has been
         recognized for its fixed stock option plans. Had the compensation cost
         for the Company's four stock-based compensation plans been determined
         consistent with SFAS No. 123, the Company's net earnings (loss) and
         earnings (loss) per share would have been changed to the pro forma
         amounts indicated below:


<TABLE>
<CAPTION>
                                                             1997           1996
                                                         ----------     ----------

<S>                                                      <C>            <C>       
Net earnings (loss)                       As reported    $  (48,597)    $   30,407
                                                         ==========     ==========

                                           Pro forma     $  (50,643)    $   27,422
                                                         ==========     ==========

Primary earnings (loss)                   As reported    $    (1.72)    $     1.00
                                                         ==========     ==========
   per share
                                            Pro forma    $    (1.80)    $     0.90
                                                         ==========     ==========
</TABLE>

Pro forma net earnings (loss) reflects only options granted in fiscal years 1997
and 1996. Therefore, the full impact of calculating compensation cost for stock
options under SFAS No. 123 is not reflected over the option vesting period and
compensation cost for options granted prior to October 1, 1995 is not
considered.

                                       48

<PAGE>   50
7.       Benefit Plans

         Mesa sponsors two 401(k) plans, one for employees of WestAir Commuter
         and another for employees of MAI, Air Midwest and the non-airline
         operations, under which employees may contribute up to 15 percent of
         their annual compensation, as defined. The Company currently makes
         matching contributions of 50 percent of employee contributions up to 10
         percent of employee compensation. These plans are not available to
         certain union employees. Upon completing three years of service, the
         employee is 20 percent vested in employer contributions and the
         remainder of the employer contributions vest 20 percent per year.
         Employees become fully vested in employer contributions after seven
         years of employment. Mesa has the right to terminate the 401(k) plan at
         any time.

         Contributions by Mesa to the above plans for the years ended September
         30, 1997, 1996 and 1995 were $1,679,802, $1,286,746 and $1,097,023,
         respectively.

         A management incentive program (Omnibus Plan), approved in September
         1995 and ratified by shareholders at the April 1996 annual meeting, has
         a cash incentive provision that ties the corporate officers to an
         increase in the earnings per share over the previous year, and the
         division/subsidiary executives to a specified rate of return on
         revenue. The total incentive expense under the Omnibus Plan for fiscal
         year 1997, 1996 and 1995 was approximately $191,000, $1.9 million and
         $165,000 respectively.

         On March 9, 1993, Mesa adopted an Employee Stock Bonus Plan which
         provides for employees of Mesa to receive shares of Common Stock in
         lieu of discretionary cash bonuses accrued each quarter. The custodian
         of the plan is empowered to determine the times at which and the
         conditions under which the plan, on behalf of participating employees,
         purchases shares of Common Stock. All purchases of Common Stock by the
         custodian will be made at prices approximating fair market value on the
         date of purchase, subject to the limitation that only 1,000,000 shares
         may be purchased over the life of the plan. The bonuses paid under the
         plan for the year ended September 30, 1997, 1996 and 1995 were
         $348,693, $969,937 and $541,044, respectively. As of September 30,
         1997, a total of 405,501 shares have been issued pursuant to the plan.
         As of May 9, 1997 the Employee Stock Bonus Plan was discontinued and
         replaced with a monthly completion bonus based on improvements in
         percentage of on-time completed flights. Employees of Mesa who
         participate in Mesa's management incentive program are not eligible to
         receive a completion bonus. Completion bonus expense for May 9 through
         September 30, 1997 was $775,000.


8.       Lease Commitments


         At September 30, 1997, Mesa leased 76 aircraft under non-cancelable
         operating leases with remaining terms ranging up to 16.5 years. The
         aircraft leases require Mesa to pay all taxes, maintenance, insurance
         and other operating expenses. Mesa has the option to terminate certain
         of the leases at various times throughout the lease.


                                       49

<PAGE>   51
         Aggregate rental expense totaled [$43.6] million, $59 million, and
         $65.6 million (net of $0.8 million in 1995 of sublease income) for the
         years ended September 30, 1997, 1996 and 1995 respectively.

         Future minimum lease payments under noncancelable operating leases are
         as follows:


<TABLE>
<CAPTION>
               Year ending September 30
               ------------------------

                    (in thousands)
              <S>            <C>
                     1998    $ 45,484

                     1999      44,076

                     2000      42,728

                     2001      39,964

                     2002      39,387

               Thereafter     255,755
</TABLE>



9.       Aircraft Acquisitions  and Commitments

         During 1997, the Company gave notice to Bombardier Regional Aircraft
         Division ("BRAD") of its decision to exercise an option to cancel five
         Dash 8-200 aircraft on order and cancel delivery of the eight remaining
         previously ordered Dash 8-200 aircraft because of production delays and
         initial operating reliability issues. The Company had originally
         ordered 25 of the 37-seat, turboprop aircraft. Long-term financing for
         all 12 Dash 8-200 aircraft delivered and placed in service has been
         completed. On August 15, 1997, the Company reached an agreement with
         BRAD which provided for conversion of the remaining eight Dash 8-200
         aircraft on order into orders for eight Canadair Regional Jet ("CRJ")
         aircraft.

         In August 1996, Mesa entered into a memorandum of understanding with
         BRAD to acquire 16 CRJ 50-passenger jet aircraft with options to
         acquire an additional 32 of the jet aircraft. In August 1997, Mesa
         announced that it would exercise options for 16 of its 32 option CRJ
         aircraft reserved under the option agreement. This exercise included
         the conversion of eight of its Dash 8-200 aircraft then on order to CRJ
         50-passenger jet aircraft. The order for 32 aircraft has a value of
         approximately $640 million. Mesa has an $8.5 million deposit with BRAD
         relating to this order. This deposit will increase to a maximum of $9.1
         million by September 1, 1998. Eleven CRJ aircraft had been delivered to
         Mesa by December 18, 1997. The Company expects to receive nine more CRJ
         aircraft in 1998 and the remaining 12 jets are scheduled to be
         delivered in 1999.

         The Company has an agreement to trade in 32 Embraer 120 Brasilia
         ("EMB-120") aircraft to BRAD on a one-for-one basis for the 32 CRJ
         aircraft being acquired from BRAD. Eight of the 32 EMB-120 trade-in
         aircraft were originally traded in on the eight Dash 8-200 aircraft
         order which were subsequently converted into orders for CRJ aircraft.
         All EMB-120 aircraft are required to be in airworthy condition under
         Mesa's maintenance program at the time of the trade-in. Mesa has
         committed to maintain the trade-in EMB-120 aircraft in airworthy
         condition under its maintenance program until 


                                       50

<PAGE>   52
         such aircraft are sold or released to another operator. As of December
         18, 1997, 13 EMB-120s have been delivered to BRAD under the CRJ
         purchase contract. Should the Company fail to receive favorable
         financing terms from third parties on the ordered CRJ aircraft to be
         delivered to the Company, the Company has the right to obtain financing
         for such CRJ aircraft from BRAD, subject to the Company meeting certain
         creditworthiness standards.

         Approximately $1.0 million was incurred as a one-time expense in the
         fourth quarter of fiscal 1997 related to the return of two Fokker 70
         aircraft to Daimler-Benz.

         On January 9, 1997, one of the Company's wholly owned subsidiaries,
         FCA, Inc., entered into a distributorship agreement ("the
         Distributorship Agreement") with Sino Swearingen Aircraft Company, L.
         P. ("SSAC"). The Distributor Agreement grants FCA exclusive
         distribution rights in the states of Colorado, Louisiana, New Mexico
         and Texas for sale of SSAC aircraft and parts. The Distributorship
         Agreement also requires FCA to maintain a retail sales area, hangar and
         maintenance facility, with appropriate staff, and an adequate supply of
         spare parts at a general aviation airport strategically located within
         FCA's distribution area. FCA has agreed to purchase eight aircraft from
         SSAC with delivery dates beginning in the first quarter of 1999 and
         ending in the first quarter of 2001. The current purchase price of each
         aircraft is approximately $3.5 million and is subject to change by
         SSAC. FCA is required to make progress payments to SSAC on each
         aircraft as follows: upon execution of the purchase agreement, $75,000;
         365 days prior to delivery date, $50,000; 180 days prior to delivery
         date, $150,000; at delivery, approximately $3.225 million (based upon
         the current purchase price) reduced by the distributors' profit. In
         total, FCA is presently obligated to purchase approximately $28 million
         of SSCA aircraft at current prices. FCA is also obligated to purchase
         an adequate supply of parts to support aircraft sold in the
         distribution area. In February 1997, FCA made progress payments of
         $600,000 to SSAC against its purchase order for eight aircraft. SSAC
         has subsequently notified FCA that the delivery schedule for the eight
         aircraft will be delayed for at least one year. The Distributorship
         Agreement is cancelable by mutual agreement of the parties or
         unilaterally by SSAC. The Chief Executive Officer of SSAC, Mr. Jack
         Braly, is a member of the Board of Directors of Mesa Air Group, Inc.

         The Company has negotiated 10-year engine maintenance contracts with
         General Electric Aircraft Engines (GE) for the Canadair Regional Jet
         (CRJ) and with Pratt and Whitney, Canada Aircraft Services (PWC) for
         the Dash 8-200 aircraft. The GE engine maintenance contract provides
         coverage for the engines on the first 16 CRJ aircraft to be delivered.
         The Company is presently negotiating with GE to add the CRJ aircraft
         engines for 16 additional CRJ aircraft to this maintenance contract.
         The PWC contract provides coverage for all Dash 8-200 aircraft engines
         operated by the Company. Both contracts provide for payment at the time
         of the repair event at a fixed dollar amount per flight hour, subject
         to escalation based on changes in the CPI, for the number of flight
         hours incurred since the previous event.


                                       51

<PAGE>   53
10.      Supplemental Disclosures of Cash Flow Information

<TABLE>
<CAPTION>
                                                 September 30

                                         1997        1996       1995
                                        -----------------------------

                                               (in thousands)


<S>                                     <C>        <C>        <C>    
          Cash paid for interest        $27,776    $12,047    $ 6,354

          Cash paid for income taxes    $ 2,600    $12,445    $ 4,961
</TABLE>


         In 1995 Mesa did not purchase any property or equipment upon which debt
         was incurred. In 1996 Mesa purchased property and equipment upon which
         debt was incurred of approximately $280 million. In 1997 Mesa purchased
         property and equipment upon which debt was incurred totaling
         approximately $31.7 million.


11.      Commitments and Contingencies

         During December 1996, Mesa reached a five-year agreement with the Air
         Line Pilots Association (ALPA) for a single pilot contract for MAI and
         Air Midwest, Inc. The contract provides for industry-average pay,
         economic work rules and excellent opportunities for advancement. This
         contract resulted in an increase in pilot salary expense of
         approximately $6.1 million for the 1997 fiscal year. WestAir pilots are
         also represented by ALPA and the Company is in mediation regarding a
         new contract. Air Midwest mechanics are represented by the
         International Association of Machinists (IAM), flight attendants at
         WestAir and Mountain West, a division of MAI, are represented by the
         Association of Flight Attendants (AFA). No other Mesa subsidiaries are
         parties to collective bargaining agreement or union contracts.

         During December 1995, the Federal Aviation Administration (FAA)
         announced rules which require commuter airlines with aircraft of 10 or
         more passenger seats operating under FAR Part 135 rules to begin
         operating those aircraft under FAR Part 121 regulations by the end of
         March 1997. Mesa was one of the largest regional airlines operating
         under FAR Part 135 regulations. In anticipation of Mesa's conversion to
         FAR Part 121 and to address issues raised in past inspections, the FAA
         began a special review of Mesa's operations in June 1996. As a result
         of a special review by the FAA of Mesa's operations, and other factors,
         a Consent Order was signed with the FAA in September 1996, assessing a
         compromise civil penalty of $500,000. Mesa paid $250,000 of the
         compromise amount, and the remaining $250,000 was waived after Mesa
         complied with provisions of the Consent Order. Mesa agreed to adopt
         operational standards that exceed the requirements of the Federal
         Aviation Regulations and to consolidate control of operational areas
         (maintenance, flight operation and training) under one central
         management team. Effective in March 1997, the FAA required that
         commuter airlines with aircraft of 10 or more passenger seats begin
         operating those aircraft under FAR Part 121 regulations instead of FAR
         Part 135. Mesa completed the transition to FAR Part 121 on the FAA's
         deadline. Company management is monitoring the costs increases in its
         19- and 30-seat aircraft operations resulting from compliance with FAR
         Part 121 regulations. At present, management believes those continuing
         costs will be 


                                       52

<PAGE>   54
         approximately $4.5 million per year. The cost increase is primarily
         related to additional training, dispatch and maintenance procedures.

         In July 1997, WestAir received a proposal from UAL for the extension of
         WestAir's code-sharing agreement which is due to expire on May 31,
         1998. The proposal contained certain material amendments to the
         existing code-sharing agreement. The Company did not accept this
         proposal because it provided for significant cost increases and did not
         include certain changes to the proposal requested by the Company.
         Management continued to negotiate for improvements in the proposal.

         On July 22, 1997, awarded WestAir's eight Los Angeles contract markets
         to Skywest Airlines, effective October 1, 1997. UAL subsequently
         granted additional pro-rate markets to WestAir, sufficient to utilize
         the aircraft previously serving the eight Los Angeles system contract
         markets. There was no material cost of transition to these new pro-rate
         markets and the new pro-rate markets are attaining similar financial
         results as the discontinued contract markets. The Company is in
         litigation to resolve UAL's unilateral termination of WestAir's
         contract markets in the Los Angeles area.

         In late November 1997, WestAir received written notice from UAL that
         WestAir's code-sharing agreement would not be renewed. Since November
         1997, management has on repeated occasions sought a reconsideration of
         UAL's decision not to renew the WestAir code-sharing agreement. At a
         meeting on January 6, 1998, UAL confirmed that it will not reconsider
         renewing WestAir's code-sharing agreement upon its expiration. WestAir
         will have significant assets in excess of its needs upon expiration of
         the agreement on May 31, 1998. Accordingly, by resolution of the Board
         of Directors on January 10, 1998, the Company has recognized a loss
         provision to provide for the cost of discontinuation of WestAir
         operations. The provision includes the cost to retire or sell aircraft,
         for the sale of parts and equipment, and for severance and employee
         costs. (See note 15.)

         MAI incurred a substantial operating loss in the Denver system for
         fiscal year 1997. Among the factors contributing to the loss were the
         large increases in airport costs related to the new Denver
         International Airport ("DIA") and a 20 percent decrease in the average
         connecting fare received from UAL.

         In late September 1997, management began a reduction of service in some
         markets and gave notice to UAL of its intent to terminate service in
         other markets. UAL responded by asserting that MAI's past and proposed
         termination of service was a "material default" under the code-sharing
         agreement, requested an increase in service in certain markets, and
         claimed damages and remedies, including termination of the code-sharing
         agreement. The Company has responded to UAL, noting that the Denver
         code-sharing agreement allows MAI to terminate service in an
         unprofitable market, but gives UAL the right to place another carrier
         into any market in which MAI terminates service on the same terms and
         conditions as originally offered to MAI. In the opinion of Mesa's
         management, there is no requirement that MAI continue to serve
         unprofitable markets or that MAI provide additional service as
         requested by UAL. Management of UAL does not agree with MIA's
         interpretation of the code-sharing agreement and believes it can
         terminate the Denver code-sharing agreement as a result of MAI's
         reduction of service to certain markets. On January 6, 1998, UAL
         informed the Company that it will not 


                                       53

<PAGE>   55
         provide any increases in Denver system connecting fares or permit MAI
         to decrease its level of Denver system service. As a result of UAL's
         decision not to assist the Company in connection with improving
         operations in its Denver system, on January 10, 1998, the Board of
         Directors resolved that the Company recognize a loss provision for
         impairment of the $26.3 million Denver system intangible asset
         currently remaining on the Company's financial statements at September
         30, 1997 and provide for the other costs of restructuring the Company's
         Denver operations. (See note 15.)

         Mesa's relationship with UAL is poor and if a resolution of the level
         of service to be provided in the Denver market is not attained, UAL may
         unilaterally cancel the Denver code-sharing agreement and award the
         routes to another carrier. Interpretation of the Denver code-sharing
         agreement may require a judicial resolution and subject the Company to
         a risk that UAL's interpretation of the code-sharing agreement
         prevails. Regardless of whether the interpretation of the Denver
         code-sharing agreement is favorably resolved, it is unlikely that MAI
         will operate in the Denver market through 2005. As a result, the
         Company believes it will ultimately dispose of its Denver operations by
         transfer or sale to another airline.

         Under the MAI and WestAir code-sharing agreements with UAL, most
         markets provide revenue sharing based on an allocation of fares between
         UAL and the Company ("pro-rate markets"). However, an increasing
         portion of United Express routes in the Pacific Northwest and Los
         Angeles have become "contract markets" operated on a fee per departure
         basis. Certain of these markets may be terminated upon 90 days' notice
         by either UAL or MAI/WestAir. On January 8, 1998, the Company received
         written notice that UAL is terminating all of the "contract" markets in
         the Pacific Northwest effective September 30, 1998. As a result of this
         termination, MAI will have 13 Beech 1900D aircraft which are
         anticipated to be in excess of its operating needs. Management believes
         it can dispose of all of the 13 Beech 1900D aircraft.

         During 1994, seven shareholder class action complaints were filed in
         the United States District Court for the District of New Mexico against
         Mesa, certain of its present and former corporate officers and
         directors, its independent auditor, and certain underwriters who
         participated in Mesa's June 1993 public offering of Common Stock.
         During October 1995, the court certified a class consisting of persons
         who purchased Mesa stock between January 28, 1993 and August 5, 1994.
         These complaints have been consolidated by court order, and, after the
         court granted in part a motion to dismiss in May 1996, a third amended
         consolidated complaint has been filed alleging that during the class
         period the defendants caused or permitted Mesa to issue publicly
         misleading financial statements and other misleading statements in the
         registration statement for the June 1993 public offering, annual and
         quarterly reports to shareholders, press releases and interviews with
         securities analysts. The current complaint alleges that these
         statements misrepresented Mesa's financial performance and condition,
         its business, the status of its operations, its earnings, its capacity
         to achieve profitable growth and its future business prospects, all
         with the purpose and effect of artificially inflating the market price
         of common stock of Mesa throughout the relevant period. The complaint
         further alleges that certain officers and directors of the Company
         illegally profited from sales of Mesa Common Stock during these
         periods. The complaint seeks damages against the defendants in an
         amount to be determined at trial (including rescission and/or money
         damages as appropriate) and reasonable attorney, accountant and expert
         fees. In 


                                       54

<PAGE>   56
         1996, Mesa made an accrual to vigorously defend the litigation.
         Further, Mesa and the corporate officers and directors believe they
         have substantial and meritorious defenses against these allegations and
         are defending their position vigorously. However, should an unfavorable
         resolution of this litigation occur, it is possible that Mesa's future
         results of operations or cash flows could be materially affected in a
         particular period.

         In June 1997, UAL filed a complaint in the United States District Court
         for the Northern District of Illinois against two subsidiaries of the
         Company, Mesa Airlines, Inc. ("MAI") and WestAir Commuter Airlines,
         Inc. ("WestAir"), seeking a judicial declaration of the parties' rights
         and obligations under two separate written agreements, pursuant to
         which MAI and WestAir allegedly agreed to provide certain airline
         transportation services to UAL including the provision of scheduled air
         transportation services in certain areas of the United States under the
         service mark "United Express." UAL contends that, under these
         agreements, UAL has the right to "increase, decrease, or in any other
         way adjust the flight frequencies, or markets, or both" in certain
         airports currently serviced by WestAir and/or MAI. Neither MAI nor
         WestAir has yet responded to the complaint. In order to give both
         parties additional time to explore the possibility of resolving this
         action without further litigation, the parties have entered into a
         stipulation, which the Court approved, extending defendants' time to
         respond to the complaint to and including January 28, 1998. MAI and
         WestAir dispute the principal contentions in UAL's complaint, and
         unless a satisfactory negotiated resolution is achieved, intend to
         defend their position vigorously.

         Mesa is also a party to legal proceedings and claims which arise during
         the ordinary course of business.

         In the belief of management, based upon information at this time, the
         ultimate outcome of all the proceedings and claims pending against Mesa
         referred to above is not expected to have a material adverse effect on
         Mesa's consolidated financial position.


12.      Financial Instrument Disclosure

         The carrying amount of cash and cash equivalents, receivables, notes
         receivable and accounts payable approximate fair value due to the short
         maturity periods of these instruments. The fair value of marketable
         securities is based on quoted market prices (see note 2).At September
         30, 1997 the carrying value of Mesa's long-term debt approximates fair
         value.


                                       55

<PAGE>   57
13.      Valuation and Qualifying Accounts


<TABLE>
<CAPTION>
                                              Balance at      Additions
                                             beginning of  charged to costs                Balance at end
                                                 year        and expenses     Deductions       of year
                                             ------------------------------------------------------------

                                                                     (in thousands)

      Allowance for obsolescence deducted
      from expendable parts and supplies

<S>                                           <C>            <C>              <C>          <C>
              September 30, 1997                $1,350            $1,281                                   
                                                                                      --          $2,631   
              September 30, 1996                 1,200               150                                   
                                                                                      --           1,350   
              September 30, 1995                 1,695              --                                     
                                                                                    $  495         1,200   
</TABLE>

         During fiscal year 1995, $495,000 of allowance for obsolescence was
         transferred to Other Assets.

14.      Selected Quarterly Financial Data (Unaudited)

         The following table presents selected quarterly unaudited financial
data (in thousands):


<TABLE>
<CAPTION>
                                                         First        Second        Third        Fourth
1997                                                    Quarter       Quarter      Quarter       Quarter
                                                      ---------------------------------------------------
<S>                                                   <C>           <C>           <C>           <C>      
          Operating revenues                          $ 121,412     $ 125,410     $ 129,443     $ 134,712

          Operating income (loss)                         4,650         4,570         1,772       (65,478)

          Net earnings (loss)                              (875)         (989)       (2,503)      (44,230)

          Net earnings (loss) per share               $   (0.03)    $   (0.03)    $   (0.09)    $   (1.57)


<CAPTION>
                                                         First        Second        Third        Fourth
1996                                                    Quarter       Quarter      Quarter       Quarter
                                                      ---------------------------------------------------
<S>                                                  <C>           <C>           <C>           <C>
          Operating revenues                          $ 120,029     $ 120,974     $ 130,274     $ 129,086

          Operating income                                7,602         8,324        14,305        17,763

          Net earnings                                    3,874        11,865         6,525         8,143

          Net earnings per share                      $    0.12     $    0.39     $    0.23     $    0.29
                                                      ---------------------------------------------------
</TABLE>


         The net loss in the fourth quarter ended September 30, 1997, includes a
         provision for the non-renewal of the WestAir code-share agreement with
         UAL and other adjustments as discussed in note 15.


15.      Other Operating Items

         Other operating items consist of the following expenses (income):


                                       56

<PAGE>   58
<TABLE>
<CAPTION>
                                                            September 30

                                                       1997             1996
                                                    -------------------------
                                                           (in thousands)

<S>                                                 <C>             <C>

Provision for non-renewal of the WestAir 
  and potential early termination of the 
  Denver code-share agreements with UAL             $    72,100     $      --
Settlement with manufacturer                             (5,220)           --
Aircraft return provision                                 1,004          3,023 
                                                    -----------     ----------
                                                    $    67,884       $  3,023
                                                    ===========       ========
</TABLE>

         The present WestAir code-sharing agreement with UAL expires on May 31,
         1998. On January 10, 1998, the Board of Directors approved a $72.1
         million provision in the Company's financial statements because the
         Company has been notified by UAL that it will not renew WestAir's
         code-sharing agreement upon its expiration, and management believes
         that it is probable that MAI will not operate in the Denver market for
         the duration of the Denver code-sharing agreement with UAL. (see note
         11, "Commitments and Contingencies.") The $72.1 million provision
         provides for the estimated loss on the retirement or sale of aircraft,
         parts and equipment which are expected to be surplus to the needs of
         the Company upon expiration and potential early termination of the
         code-share agreements. In addition, the provision includes an estimate
         for all other anticipated costs of discontinuation of the WestAir,
         Denver and Pacific Northwest operations. The restructuring provision
         consists of $26.3 million for the Denver intangibles; $39.5 for costs
         to sell or retire aircraft and related parts and equipment; and $6.3
         million for severance and other costs. The Company believes that it
         will incur approximately $15 to $20 million in cash expenditures in
         fiscal 1998 primarily as a result of the costs to be incurred for
         disposition of the surplus aircraft, severance and other expenditures.

         The settlement with manufacturer of approximately $5.2 million is the
         result of resolution of financial costs to Mesa caused by production
         delays and initial operating reliability issues relating to new
         equipment integrated into the Company's fleet.

         The aircraft return provision of $1.0 million in 1997, and $3.0 million
         in 1996 related to the two Fokker-70 aircraft returned by the Company
         to Daimler-Benz in August and September, 1997.


Item 9.     Changes in and Disagreements with Accountants on Accounting and 
            Financial Disclosure

         None.


                                       57

<PAGE>   59
PART III


Item 10. Directors and Executive Officers of the Registrant

The following table sets forth the names and ages of the directors and executive
officers of Mesa and certain additional information:
<TABLE>
                                                                                                 DIRECTOR
<CAPTION>
NAME                           AGE          POSITION                                                SINCE

<S>                            <C>          <C>                                                    <C>
Larry L. Risley (1)            53           Chief Executive Officer and Chairman of                1983
                                            the Board of Directors of Mesa Air Group, Inc.

J. Clark Stevens               47           Director, President of Mesa Air Group, Inc.,           1995
                                            and Chief Operating Officer

E. Janie Risley (1)            51           Director                                               1983

George W. Pennington (2)       69           Director                                               1986

Richard C. Poe                 63           Director                                               1986

Jack Braly                     56           Director                                               1993

Paul R. Madden                 71           Director                                               1997

W. Stephen Jackson             50           Chief Financial Officer, Treasurer                      --
                                            and Vice President of Finance

Gary E. Risley (1)             39           Secretary, Vice President of Legal                      --
                                            Affairs and General Counsel
</TABLE>

(1)  Larry L. and E. Janie Risley are husband and wife and Larry L. Risley is 
     Gary E. Risley's uncle.
(2)  Mr. Pennington resigned from the Board of Directors on January 3, 1998.

The directors hold office until the next annual meeting of shareholders and
until their successors are elected and qualified.

On December 5, 1997 the Company announced the retirement of Mr. Larry L. Risley
as Chief Executive Officer (CEO). Mr. Risley's retirement is to be effective
upon the announcement of a successor CEO or April 30, 1998, whichever occurs
first. The Board of Directors has appointed a committee which now includes Mr.
Paul R. Madden and Mr. Richard C. Poe to conduct a search for a replacement CEO.
Mr. Risley will continue as the non-executive Chairman of the Company. The Board
of Directors is reviewing a retirement package for Mr. Risley but has not
reached any agreement as to its terms.


                                       58
<PAGE>   60
Item 11. Executive Compensation

The report of the Compensation Committee and the five-year Shareholder Return
Comparison and Performance Graph and related explanation and footnotes shall not
be incorporated by reference into any filings under the Securities Act of 1933,
as amended (the "Act"), or under the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), notwithstanding statements made within the Company's
previous filings that all subsequent filings, in whole or in part, include,
without limitation, this Form 10-K.

COMPENSATION COMMITTEE REPORT ON EXECUTIVE COMPENSATION

The Compensation Committee consists of three non-employee directors of the
Company and has responsibility for allocation of cash compensation and options
to senior executive officers of the Company. The Compensation Committee
primarily administers the Company's cash compensation plans, employee stock
option plans, and employee stock purchase plans. In those instances in which
Rule 16b-3 of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), requires grants or awards of stock options to be made by a
"disinterested" committee, the Compensation Committee is solely responsible for
the administration of such plans. The full Board of Directors regularly reviews
the Compensation Committee decisions relating to executive compensation. The
Compensation Committee has allocated certain compensation decisions to the
Chairman of the Board of the Company.

The Board of Directors approved new levels of base compensation and related
structured bonus plan (the "Compensation Plan") and an Employee Stock Option
Plan (the "Stock Option Plan"), collectively the "Omnibus Plan," on December 1,
1995 and it was later approved by the shareholders of the Company on April 8,
1996. The Compensation Plan and Stock Option Plan were based on an independent
consultant's report on base pay and annual and long-term incentive compensation
with respect to 21 positions from four large carriers and three regional or
commuter airlines. Only one of the airlines furnishing information is included
in the SIC Industry Group ("SIC Group") included in the stock performance graph
appearing elsewhere herein. Since most of the Companies included in the SIC
Group did not participate in the survey, the Compensation Committee was unable
to consider any differences which may exist between members of the SIC Group and
the Company. While the comparisons considered annual revenues, number of
employees and years in the position, financial performance of the competitors or
other airlines providing information was not directly considered. The
alternatives presented by the consultant included: (i) a program providing for
base salaries slightly below general industry market with a strong above market,
at risk, annual bonus potential; or (ii) a program with base salaries slightly
above general industry market with an annual, at risk, bonus potential below the
general industry market. Based upon its study and review and the recommendations
of the compensation consultant, the Committee concluded and recommended to the
Board of Directors that the first alternative more closely aligned executives'
intent with the intent of the Company's shareholders. The Compensation Committee
was unable to secure sufficient data from competitor or peer publicly held
regional or commuter airlines to determine whether the base salaries so
established were at the low, medium or high range of compensation paid by those
in the comparative group. Based on the limited data available, the Compensation
Committee believes that the base salaries, bonus ranges and stock options
provided in the Omnibus Plan fall between the medium and high range of the
general industry group.


                                       59
<PAGE>   61
Under the Compensation Plan, salaries for all executive officers and key
employees have been capped. Bonuses for executive officers and key employees are
limited to prescribed percentages of base salary, based upon the percentage
growth in earnings per share. Growth in earning per share ("EPS") is categorized
at four levels: Minimum -- any growth in EPS during the prior fiscal year;
Threshold -- 7.0% to 12.9% growth in EPS; Target 13.0% to 17.9% growth in EPS
and Maximum -- 18.0% or greater growth in EPS. The Compensation Plan provides
that the Chairman of the Board is entitled to receive a cash bonus of 15%, 30%,
60% and 120% if the Minimum, Threshold, Target and Maximum, respectively, levels
of EPS are reached. Other executive officers and key employees, other than key
employees of a division or subsidiary, receive cash bonuses of from 3.75 percent
to 100 percent, graded as to each position at the four levels of EPS. Division
and subsidiary employee bonuses are based on earnings before taxes and interest
divided by total revenues of the division or subsidiary (the "Rate of Return").
The Rate of Return has been categorized at four levels: Minimum -- a Rate of
Return of five to nine and nine-tenths percent; Threshold -- a Rate of Return of
10 to 12.9 percent; Target -- a Rate of Return of 13 to 17.9 percent and Maximum
- -- a Rate of Return of 18 percent or more. Under the Compensation Plan, division
and subsidiary key employees are entitled to cash bonuses of seven and one-half
percent to 100 percent of base salary, depending upon the level of the Rate of
Return. Bonuses are actually paid after the end of each fiscal year and reflect
the growth in EPS for the prior year.

In addition to the bonus component of the Plan, the 150,000 options granted to
Mr. Risley pursuant to the Stock Option Plan during fiscal 1996 provide
incentive to Mr. Risley to increase shareholder return. While Mr. Risley's bonus
is now capped at a maximum of 120 percent of salary, he can participate in a
return on the appreciation of the Common Stock of the Company through exercise
of his options.

Since salary and bonuses are capped under the Compensation Plan, an integral
part of the Omnibus Plan is the issuance of stock options on an annualized basis
to key employees under the Stock Option Plan.

The Stock Option Plan provides for options to be issued to officers and key
employees on an annualized basis which vest at the rate of approximately
one-third per year. The options have a 10-year term and are subject to standard
option provisions such as are included in existing Company plans and exclude the
requirement of continued employment and provisions to deal with termination of
employment due to retirement, death or disability. Under the plan, options will
be issued at the low selling price of the Company's Common Stock on the date of
grant.

The total number of options granted under the Stock Option Plan in fiscal 1997
was 664,000.

The Compensation Committee believes that the Omnibus Plan, which provides for
established salary levels, a limit on cash bonuses and provides for the issuance
of stock options to officers and key employees related to the appreciation of
the Company's Common Stock, provides equitable incentives to increase the
profitability of the Company.

                                                     Compensation Committee

                                                     Jack Braly, Chairman
                                                     George W. Pennington
                                                     Richard C. Poe


                                       60
<PAGE>   62
COMPENSATION SUMMARY OF EXECUTIVE OFFICERS

The following table sets forth certain compensation paid or accrued by the
Company during the fiscal year ended September 30, 1997 to the Chief Executive
Officer and the three most highly compensated executive officers of the Company
whose total annual salary and bonuses exceeded $100,000.
<TABLE>
<CAPTION>
                                                                OTHER      RESTRICTED                                        
                                                               ANNUAL         STOCK                 LTIP       ALL OTHER      
                                        SALARY   BONUS (1)  COMPENSATION    AWARD(S (2)  OPTIONS   PAYOUT   COMPENSATION (3)  
NAME AND PRINCIPAL POSITION      YEAR      ($)       ($)          ($)           ($)         (#)      ($)          ($)         
- --------------------------      ------  -------- ---------- -------------- ------------  -------- -------- ----------------- 
<S>                             <C>     <C>      <C>        <C>            <C>           <C>       <C>     <C>          
Larry L. Risley..........       1997    350,000        ---        --            --       150,000     --         4,750        
   Chairman of the Board        1996    350,000    420,000                               150,000                4,750        
   and Chief Executive          1995    350,000         --                               300,000                4,620        
Officer                                                                                                                      
                                                                                                                             
J. Clark Stevens.........       1997    235,000        ---        --            --        80,000     --         4,750        
   Chief Operating Officer      1996    235,000    235,000                                80,000                4,750        
   and President                1995    198,000         --                               178,000                4,846        
                                                                                                                             
Gary E. Risley...........       1997    150,000        ---        --            --        50,000     --         4,750        
   Vice President of Legal      1996    150,000    150,000                                50,000                4,076        
   Affairs and Secretary        1995    150,000         --                               110,000                5,151        
                                                                                                                             
W. Stephen Jackson.......       1997    150,000        ---        --            --        50,000     --         4,750        
   Chief Financial Office,      1996    150,000    150,000                                50,000                4,615        
   Vice President Finance       1995    150,000         --                               150,000                3,080        
   and Treasurer                                                                                                             
</TABLE>
- ----------
(1)  Bonuses are actually paid after the end of each fiscal year and reflect
     performance for the prior year. As the Company incurred a loss for fiscal
     1997, no bonuses were paid in fiscal 1998.

(2)  As of December 31, 1997, Larry L. Risley owned 516,380 shares of Mesa
     Common Stock, Gary E. Risley owned 15,300 shares of Mesa Common Stock, J.
     Clark Stevens owned 2,000 shares of Mesa Common Stock, and W.
     Stephen Jackson owned 2,400 shares of Mesa Common Stock.

(3)  These amounts represent both vested and non-vested Registrant contributions
     the individual named executive officer's 401(k) plan. Under the Company's
     401(k) plan, employees may contribute up to 15% of their annual salary and
     bonus up to a specified maximum. The Company currently makes matching
     contributions 50% of employees' contribution (including officers) with a
     cap of 10% of the employees' annual compensation. Contributions by the
     Company to its 401(k) plans for the year ended September 30, 1997 was
     $1,679,802.

OPTIONS


                                       61
<PAGE>   63
                        OPTION GRANTS IN LAST FISCAL YEAR
<TABLE>
<CAPTION>

                                INDIVIDUAL GRANTS
            --------------------------------------------------------
                                           PERCENT OF
                              NUMBER OF      TOTAL
                             SECURITIES     OPTIONS/                                    POTENTIAL REALIZABLE    
                             UNDERLYING       SARS                                            VALUE AT          
                              OPTIONS/     GRANTED TO                                 ASSUMED ANNUAL RATES OF   
                                SARS        EMPLOYEES     EXERCISE OF                 STOCK PRICE APPRECIATION  
                               GRANTED      IN FISCAL     BASE PRICE    EXPIRATION        FOR OPTION TERM       
                                                                                     ---------------------------
           NAME                  (#)          YEAR          ($/SH)         DATE        5% (S)        10% (S)
           (A)                   (B)           (C)            (D)          (E)           (F)           (G)
- ---------------------------  ------------  ------------  ------------ ------------- ------------  -------------
<S>                          <C>           <C>           <C>          <C>           <C>           <C>     
Larry L. Risley..........       150,000        22.6%         5.88        04/01/07     $441,000       $882,000
J. Clark Stevens.........        80,000        12.0%         5.88        04/01/07     $235,200       $470,400
Gary E. Risley...........        50,000         7.5%         5.88        04/01/07     $147,000       $294,000
W. Stephen Jackson.......        50,000         7.5%         5.88        04/01/07     $147,000       $294,000
</TABLE>


AGGREGATE OPTION EXERCISES IN LAST FISCAL YEAR AND FISCAL YEAR-END OPTION VALUES
<TABLE>
<CAPTION>
                                                                         NUMBER OF
                                                                        UNEXERCISED       VALUE OF UNEXERCISED
                                                                        OPTIONS AT        IN-THE-MONEY OPTIONS
                                                                    SEPTEMBER 30, 1997      AT SEPTEMBER 30, 1997
                             SHARES ACQUIRED ON   VALUE REALIZED        EXERCISABLE/           EXERCISABLE/
           NAME                EXERCISE (#)            ($)             UNEXERCISABLE       UNEXERCISABLE (1)
- ---------------------------  ------------------  -----------------  -------------------   ---------------------
<S>                          <C>                 <C>                <C>                    <C>            
Larry L. Risley..........            -0-                -0-          600,000 / 350,000        $0 / $83,700
J. Clark Stevens.........          2,000             $2,250          204,665 / 193,335        $0 / $44,640
Gary E. Risley...........            -0-                -0-          164,998 / 120,002        $0 / $27,900
W. Stephen Jackson.......            -0-                -0-          116,665 / 133,335        $0 / $27,900
</TABLE>

- ----------
(1)  Based on the closing price of the Common Stock on September 30, 1997 at
     $6.438.

EMPLOYMENT AGREEMENTS

Employment agreements have been entered into with the Chief Operating Officer,
Chief Financial Officer, Chief Legal Officer and the Presidents of the
AmericaWest Express, Mesa Airlines, United Express and US Airways Express
divisions of the Company. The employment agreements with Mr. Stevens, Gary
Risley and W. Stephen Jackson provide for a term of one year after a new CEO is
appointed or April 30, 1999, whichever is earlier ("Termination Date"). If
Messrs. Stevens, Gary Risley or Jackson are still employed on the Termination
Date, each will receive a bonus equal to his annual base salary. If terminated
"without cause" or they elect to terminate employment with "Good Reason," (as
such terms are defined in the employment agreements) each is entitled to
severance pay of 90 percent of base salary payable for twelve months and 10
percent of base salary for an additional twelve months. Also, Messrs. Stevens,
Gary Risley and Jackson shall continue to be treated as employees for the
purpose of the Company's stock option plan during the period severance is paid.

COMPENSATION OF DIRECTORS

Each outside director receives a salary of $10,000 per year, along with the
payment of $1,000 per meeting attended in person; $500 for each committee
meeting attended in person; $500 for each telephone Board meeting attended and
reimbursement of all expenses associated with attending committee or Board of
Directors meetings. In addition, each outside director was granted 3,000 options
in fiscal 1997 pursuant to a stock option plan which automatically grants 3,000
options to each outside director on an annual basis (other than Mr. Madden who
received 3,000 options on June 9, 1997 when he was appointed to the Board of
Directors). All options granted to Mr. Jones expired on September 6, 1997, as a
result of his resignation from the Board of Directors on June 6, 1997. Options
granted to Messrs. Poe, Pennington and Braly were granted on December 11, 1996
at an exercise price of $9.75 per share and were fully vested on December 11,
1997. Options granted to Mr. Madden were at an exercise price of $4.88 and will
be fully vested on June 6, 1998.


                                       62
<PAGE>   64
Each outside director also participates in the Company's Outside Directors Stock
Option Plan (the "Formula Plan"). Other than initial grants under this plan,
grants pursuant to the Formula Plan are contingent on improved returns for the
shareholders. Each outside director is granted 10,000 options as of the first
business day of the month following appointment to the Board. (The date of the
first grant of option is referred to herein as the "Initial Grant Date"). Each
outside director receives a grant of an additional 10,000 options (the "Second
Grant") if: (1) the director is still serving as a director of the Company on
the date of the Second Grant; and (2) either the annual percentage increase in
shareholder return:

         (a)   exceeds seven percent for any fiscal year within four years of
               the Initial Grant Date (the "Target Percent"), provided that the
               effective date of the grant shall be delayed until the second
               anniversary of the Initial Grant Date if the Target Percent is
               achieved in the first two fiscal years following the Initial
               Grant Date, or

         (b)   exceeds an aggregate of 10 percent for any two consecutive fiscal
               years within four years after the Initial Grant Date (the
               "Alternative Target Percent").

Each outside director receives a third grant of an additional 10,000 options
(the "Third Grant") if: (1) the director is still serving as a director of the
Company on the date of the Third Grant; and (2) either the annual percentage
increase in shareholder return:

         (a)   exceeds seven percent for any fiscal year within six years of the
               Initial Grant Date (the "Additional Target Percent"), provided
               that the effective date of the grant shall be delayed until the
               fourth anniversary of the Initial Grant Date if the Additional
               Target Percent is achieved in the first four fiscal years
               following the Initial Grant Date, or

         (b)   exceeds an aggregate of 10 percent for any two consecutive fiscal
               years within six years after the Initial Grant Date (the
               "Additional Alternative Target Percent").

Options granted to the outside directors on the Initial Grant Date become
exercisable one year after the Initial Grant Date and when the fair market value
(as defined by the Formula Plan) of the Common Stock has increased by three
percent from the Initial Grant Date.

All other options become exercisable immediately upon satisfaction of the
following conditions: six months after the date the option was granted, and when
the fair market value of the shares (as defined in the Formula Plan) has
increased by seven percent from the date the option was granted.

With respect to options granted on the Initial Grant Date, the exercise price of
the options granted under the Formula Plan may not be less than the fair market
value of the Common Stock on the date of the grant. With respect to options
granted on the Second Grant Date, the option price per share may not be less
than the fair market value of the shares on the last business day of the fiscal
year that the Company achieves the Target Percent or the Alternative Target
percent. With respect to options granted on the Third Grant Date, the option
price per share may not be less than the fair market value of the shares as of
the last business day of the fiscal year that the Company achieves the
Additional Target percent or the Additional Alternative Target percent.


                                       63
<PAGE>   65
Mr. Madden received 10,000 options at an exercise price of $5.32 on July 1,
1997, which will vest on July 1, 1998 if the fair market value of the Common
Stock has increased by three percent over the exercise price. No other options
were granted in fiscal 1997 pursuant to this plan.

Each director who is not an employee of the Company also receives free travel on
Mesa for himself and certain family members and through arrangements with
certain major air carriers receives free or reduced-fare travel on those at no
cost to the Company. The Company believes that the directors' use of free air
travel is "de minimis" and therefore did not maintain any records of their
travel during fiscal 1997.

Directors hold office until the next annual meeting of shareholders or until
their successors are elected and qualified.

During fiscal 1997 the Company paid legal fees and expenses aggregating
approximately $347,517 incurred in connection with the defense of a
shareholders' derivative action on behalf of the Company and a class action
suit, as a nominal defendant, the directors of the Company, a former director
and a non-director officer. The aggregate amount paid has not been allocated
between the Company and the individuals who are being indemnified pursuant to
indemnification agreements and Nevada law.

COMPENSATION COMMITTEE INTERLOCKS

Richard C. Poe, Jack Braly and George W. Pennington all served as members of the
Compensation Committee during the fiscal year ended September 30, 1996. None of
these directors held any executive officer position or other employment with the
Company prior to or during such service nor did any executive officer serve on
any other company's compensation committee.

FIVE-YEAR SHAREHOLDER RETURN COMPARISON

Set forth below is a graph comparing the five-year cumulative shareholder return
on the Common Stock of Mesa Air Group, Inc. against the five-year cumulative
total return on the CRSP Index for NASDAQ Stock Market (US Companies) and the
CRSP Index for NASDAQ Stocks (SIC 4510-4519) (an index composed of NASDAQ
companies engaged in air transportation, and includes regional airlines whose
stocks trade on NASDAQ) for the periods indicated. The graph assumes an initial
investment of $100.00 and reinvestment of dividends, if any.

                Comparison of Five-Year Cumulative Total Returns
                             Performance Report for
                              Mesa Air Group,Inc.


Company Index:   CUSIP      Ticker    Class     Sic    Exchange

                 59047910   MESA                4510   NASDAQ 

                 FISCAL YEAR-END IS 09/30/97

Market Index:    Nasdaq Stock Market (US Companies)

Peer Index:      NASDAQ Stocks (SIC 4510-4519 US Companies)
                 Air Transportation, Scheduled, and Air Courier Services

Date          Company Index        Market Index            Peer Index
<TABLE>
<S>           <C>                  <C>                     <C>
09/30/92      100.000              100.000                  100.000
10/30/92      107.104              103.939                  108.600
11/30/92      125.683              112.210                  113.480
12/31/92      143.716              116.341                  129.209
01/29/93      141.530              119.653                  125.585
02/26/93      148.634              115.189                  147.177
03/31/93      179.235              118.523                  173.453
04/30/93      177.049              113.465                  183.624
05/28/93      198.907              120.243                  200.801
06/30/93      192.350              120.799                  177.304
07/30/93      169.399              120.941                  174.434
08/31/93      163.934              127.192                  178.965
09/30/93      169.399              130.981                  170.255
10/29/93      159.563              133.925                  179.021
11/30/93      146.448              129.932                  175.831
12/31/93      155.191              133.555                  167.891
01/31/94      157.377              137.609                  176.704
02/28/94      173.770              136.324                  170.477
03/31/94      179.235              127.941                  162.732
04/29/94      126.776              126.281                  160.171
05/31/94      104.918              126.589                  144.405
06/30/94       86.339              121.960                  137.541
07/29/94       92.896              124.461                  155.301
08/31/94       66.667              132.396                  160.405
09/30/94       57.924              132.057                  143.572
10/31/94       71.038              134.653                  143.302
11/30/94       80.328              130.185                  128.064
12/30/94       79.781              130.551                  123.047
01/31/95       56.284              131.283                  128.702
02/28/95       54.645              138.226                  156.500
03/31/95       53.552              142.325                  173.947
04/28/95       53.552              146.806                  195.969
05/31/95       56.831              150.594                  197.753
06/30/95       79.781              162.798                  242.734
07/31/95       95.082              174.765                  246.677
08/31/95       92.896              178.307                  238.788
09/29/95       89.071              182.407                  261.741
10/31/95       83.060              181.362                  275.097
11/30/95       79.235              185.620                  321.071
12/29/95       78.689              184.633                  298.438
01/31/96       70.492              185.543                  267.669
02/29/96      103.825              192.605                  292.322
03/29/96       93.989              193.244                  317.731
04/30/96      107.104              209.276                  297.917
05/31/96      115.847              218.886                  273.155
06/28/96      103.825              209.018                  263.193
07/31/96       78.689              190.402                  237.251
08/30/96       86.339              201.070                  246.419
09/30/96       79.781              216.450                  233.979
10/31/96       80.874              214.058                  216.115
11/29/96       86.339              227.292                  246.511
12/31/96       59.016              227.088                  233.131
01/31/97       57.924              243.338                  214.814
02/28/97       55.738              229.782                  217.415
03/31/97       53.415              214.780                  224.431
04/30/97       46.448              221.496                  226.803
05/30/97       43.716              246.610                  250.441
06/30/97       46.995              254.152                  239.488
07/31/97       48.087              230.979                  254.081
08/29/97       44.809              280.550                  239.195
09/30/97       56.284              297.140                  261.173
</TABLE>

The index level for all series was set to 100.0 on 09/30/92.

Item 12. Security Ownership of Certain Beneficial Owners and Management

The following table sets forth certain information regarding the beneficial
ownership of the Company's Common Stock as of December 31, 1997 by all
directors, by each person who is known by the Company to be the beneficial owner
of more than five percent of the outstanding Common Stock, by each executive
officer named in the Summary Compensation Table and by all directors and
executive officers as a group.


                                       64
<PAGE>   66
The number of shares beneficially owned by each director or executive officer is
determined under rules of the Securities and Exchange Commission (the
"Commission"), and the information is not necessarily indicative of beneficial
ownership for any other purpose. Under such rules, beneficial ownership includes
any shares as to which the individual has the sole or shared voting power or
investment power and also any shares which the individual has the right to
acquire within 60 days of December 31, 1997 through the exercise of any stock
option or other right. Unless otherwise indicated, each person has sole
investment and voting power (or shares such powers with his or her spouse) with
respect to the shares set forth in the following table. In certain instances,
the number of shares listed includes, in addition to shares owned directly,
shares held by the spouse or children of the person, or by a trust or estate of
which the person is a trustee or an executor or in which the person may have a
beneficial interest.

<TABLE>
<CAPTION>
                                                                          NUMBER OF SHARES OF
                                                                    COMMON STOCK BENEFICIALLY OWNED
                                                     --------------------------------------------------------------
                                                                        VESTED
NAME AND ADDRESS OF BENEFICIAL OWNER                     SHARES        OPTIONS (1)      TOTAL (1)      PERCENT (1)
- ----------------------------------------             --------------  --------------  --------------    ----------- 
<S>                                                  <C>             <C>             <C>                <C> 
Larry L. Risley (2).............................         516,380        600,000        1,116,380          3.9%
   Farmington, New Mexico 87401

E. Janie Risley (2).............................              --             --               --           --
   Farmington, New Mexico 87401

Jack Braly......................................               0         19,000           19,000          0.1%
   San Antonio, Texas 78216

Paul R. Madden..................................           1,000              0            1,000          0.0%
   5847 North 46th Street
   Phoenix, Arizona 85018

George W. Pennington (3)........................          46,124         59,000          105,124          0.4%
   401 West Broadway
   Bloomfield, New Mexico 84712

Richard C. Poe..................................         238,496         59,000          297,496          1.1%
   6501 Montana
   El Paso, Texas 79925

J. Clark Stevens................................           2,000        204,665          206,665          0.7%
   Farmington, New Mexico 87401

Gary E. Risley..................................          15,300        164,998          180,298          0.6%
   Farmington, New Mexico 87401

W. Stephen Jackson..............................           2,400        116,665          119,065          0.4%
   Farmington, New Mexico 87401

State of Wisconsin..............................       2,762,000             --        2,762,000          9.8%
   P.O. Box 7842
   Madison, Wisconsin 53707

Gardner Lewis Asset Management..................       2,132,900             --        2,132,900          7.5%
   285 Wilmington-Westchester
   Chadds Ford, Pennsylvania 19317

Nicholas Applegate Capital Management...........       1,640,000             --        1,640,000          5.8%
   600 West Broadway, 29th Floor
   San Diego, California 92101

Merrill Lynch & Co. Et Al.......................       1,590,000             --        1,590,000          5.6%
   250 Vesey Street
   New York, New York 10281
</TABLE>


                                       65
<PAGE>   67
<TABLE>
<CAPTION>
                                                                          NUMBER OF SHARES OF
                                                                    COMMON STOCK BENEFICIALLY OWNED
                                                     --------------------------------------------------------------
                                                                        VESTED
NAME AND ADDRESS OF BENEFICIAL OWNER                     SHARES        OPTIONS (1)      TOTAL (1)      PERCENT (1)
- ----------------------------------------             --------------  --------------  --------------    ----------- 
<S>                                                  <C>             <C>             <C>               <C> 
FMR Corp........................................       1,589,600             --        1,589,600          5.6%
   82 Devonshire Street
   Boston, Massachusetts 02109

American Express Co. Et Al......................       1,500,000             --        1,500,000          5.3%
   200 Vesey Street
   New York, New York 10285

All directors and officers as a group...........         821,700      1,249,996        2,071,696          7.3%
</TABLE>
- ----------
(1)  Includes options vested on December 31, 1997 and options which will become
     vested on or before March 2, 1998. This table is based upon information
     supplied by executive officers, directors and principal stockholders and
     Schedules 13D and 13G filed with the SEC.

(2)   Larry L. Risley and E. Janie Risley are husband and wife, and since New
      Mexico is a community property state Ms. Risley has a beneficial interest
      in Mr. Risley's shares and shares dispositive and voting powers with Mr.
      Risley.

(3)   George W. Pennington resigned from the Board of Directors on January 3,
      1998.


Item 13.  Certain Relationships and Related Transactions

On January 9, 1997, one of the Company's wholly owned subsidiaries, FCA, Inc.,
entered into a distributorship agreement ("the Distributor Agreement") with Sino
Swearingen Aircraft Company, L. P. (SSAC) for the distribution of corporate
jets. The Distributor Agreement grants FCA distribution rights in the states of
Colorado, Louisiana, New Mexico and Texas for sale of SSAC aircraft and parts.
The Distributor Agreement also requires FCA to maintain a retail sales area,
hangar and maintenance facility, with appropriate staff, and an adequate supply
of spare parts at a general aviation airport strategically located within FCA's
distribution area. FCA has agreed to purchase eight aircraft from SSAC with
delivery dates beginning in the first quarter of 1999 and ending in the first
quarter of 2001. The current purchase price of each aircraft is approximately
$3.5 million and is subject to change by SSAC. FCA is required to make progress
payments to SSAC on each aircraft as follows: upon execution of the purchase
agreement, $75,000; 365 days prior to delivery date, $50,000; 180 days prior to
delivery date, $150,000; at delivery, approximately $3.225 million (based upon
the current purchase price) reduced by the distributors' profit. In total, FCA
is presently obligated to purchase eight aircraft for approximately $28 million
at current prices. FCA is also obligated to purchase an adequate supply of parts
to support aircraft sold in the distribution area. In February 1997, FCA made
progress payments of $600,000 to SSAC against its purchase order for eight
aircraft. SSAC has subsequently notified FCA that the delivery schedule for the
eight aircraft will be delayed for at least one year. The Distributor Agreement
may be terminated by either party, upon 90 days' notice, on January 9, 2000, or
annually thereafter, and is cancelable by mutual agreement of the parties or
unilaterally by SSAC. The Chief Executive Officer of SSAC, Mr. Jack Braly, is a
member of the Board of Directors of Mesa Air Group, Inc.

Mesa will enter into future business arrangements with related parties only
where such arrangements are approved by a majority of disinterested directors
and are on terms at least as favorable as available from unaffiliated third
parties.

                                       66
<PAGE>   68
PART IV


Item 14. Exhibits, Schedules and Reports on Form 8-K

(A)   Documents filed as part of this report:


      1.    Reference is made to consolidated financial statement schedules in
item 8 hereof.

      2.    Reports on Form 8-K

            Other events - August 19, 1996
            Other events - September 27, 1996

      3.    Exhibits

            The following exhibits are either filed as part of this report or
            are incorporated herein by reference from documents previously filed
            with the Securities and Exchange Commission:

<TABLE>
<CAPTION>

    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C> 
      2.1         Plan and Agreement of Merger of Mesa Air            Filed as Exhibit 2.1 to Registrant's Form 10-K for 
                  Group, Inc. into Mesa Holding, Inc. dated           the fiscal year ended September 30, 1996,
                  September 16, 1996                                  incorporated herein by reference
                                                                      
      3.1         Articles of Incorporation of Mesa Air Holdings,     Filed as Exhibit 3.1 to Registrant's Form 10-K for 
                  Inc. dated May 28, 1996                             the fiscal year ended September 30, 1996,
                                                                      incorporated herein by reference
                                                                      
      3.2         Bylaws of Mesa Air Group, Inc., as amended          Filed as Exhibit 3.2 to Registrant's Form 10-K for 
                                                                      the fiscal year ended September 30, 1996,
                                                                      incorporated herein by reference
                                                                      
      4.1         Form of Common Stock certificate                    Filed as Exhibit 4.5 to Amendment No. 1 to
                                                                      Registrant's Form S-18, Registration No.33-11765 
                                                                      filed March 6, 1987, incorporated herein by 
                                                                      reference
                                                                      
      4.2         Form of Common Stock certificate (issued after      Filed as Exhibit 4.8 to Form S-1, Registration No. 
                  November 12, 1990)                                  33-35556 effective December 6, 1990,
                                                                      incorporated herein by reference
                                                                      
      4.8         Form of Employee Non-Incentive Stock Option         Filed as Exhibit 4.12 to Registrant's Form 10-K for  
                  Plan,dated as of June 2, 1992                       the fiscal year ended September 30, 1992,
                                                                      Commission File No. 33-15495, incorporated herein
                                                                      by reference
</TABLE>                                                              
                                                                      

                                       67
<PAGE>   69
                                                                      
<TABLE>                                                               
<CAPTION>
    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C> 
      4.9         Form of Non-Incentive Stock Option issued under     Filed as Exhibit 4.13 to Registrant's Form 10-K for
                  Mesa Airlines, Inc. Employee Non-Incentive          the fiscal year ended September 30, 1992,
                  Stock Option Plan, dated as of June 2, 1992         Commission File No. 33-15495, incorporated herein 
                                                                      by reference
                                                                      
     4.10         Form of Mesa Airlines, Inc. Outside                 Filed as Exhibits 4.1, 4.2 and 4.3 to
                  Directors Stock Option Plan, dated as of            Registration No. 33-09395 effective August 1,
                  March 9, 1993                                       1996
                                                                      
     4.11         Form of Stock Option issued under Mesa              Filed as Exhibit 4.4 to Registration No.
                  Airlines, Inc. Outside Director's Stock             33-09395 effective August 1, 1996
                  Option Plan, dated as of March 9, 1993              
                                                                      
     4.12         Form of Mesa Airlines, Inc. Additional              Filed as Exhibit 4.5 to Registration No.
                  Outside Directors Stock Option Plan dated as        33-09395 effective August 1, 1996
                  of December 9, 1994                                 
                                                                      
     4.13         Form of Non-Qualified Stock Option Issued           Filed as Exhibit 4.6 to Registration No.
                  Under Mesa Airlines, Inc. Additional Outside        33-09395 effective August 1, 1996
                  Directors' Stock Option Plan                        
                                                                      
     4.14         Form of Mesa Air Group, Inc. Restated and           Filed as Exhibit 4.1 to Registration No.
                  Amended Employee Stock Option Plan dated            33-02791 effective April 24, 1996
                  April 23, 1996                                      
                                                                      
     4.15         Form of Non-Qualified Stock Option issued           Filed as Exhibit 4.2 to Registration No.
                  under Mesa Air Group, Inc. Restated and             33-02791 effective April 24, 1996
                  Amended Employee Stock Option Plan dated            
                  April 23, 1996                                      
                                                                      
    4.16          Form of Qualified Stock Option issued under         Filed as Exhibit 4.3 to Registration No.
                  Mesa Air Group, Inc. Restated and Amended           33-02791 effective April 24, 1996
                  Employee Stock Option Plan dated April 23,          
                  1996                                                
                                                                      
    10.17         Agreement between Beech Aircraft Corporation        Filed as Exhibit 10.30 to Form S-1,
                  and Mesa Airlines, Inc., dated April 30, 1990       Registration No. 33-35556 effective December 6,
                                                                      1990, incorporated herein by reference
                                                                      
    10.18         Sublease Agreement between Air Midwest, Inc.        Filed as Exhibit 10.32.1 to Form S-1,
                  and Mesa Airlines, Inc., dated April 27,            Registration No. 33-35556 effective December 6,
                  1990 for Embraer Brasilia aircraft 120.180          1990, incorporated herein by reference
                                                                      
    10.20         Agreement between Air Midwest, Inc. and Mesa        Filed as Exhibit 10.32.3 to Form S-1,
                  Airlines, Inc., dated February 27, 1990, for        Registration No. 33-35556 effective December 6,
                  purchase of four Embraer Brasilia aircraft          1990, incorporated herein by reference
                                                                      
    10.21         Letter Agreement between McDonnell Douglas          Filed as Exhibit 10.32.4 to Form S-1,
                  Finance Corporation, Air Midwest, Inc. and          Registration No. 33-35556 effective December 6,
                  Mesa Airlines, Inc., dated March 19, 1990,          1990, incorporated herein by reference
                  as amended, regarding lease and sublease of         
                  four Embraer Brasilia aircraft                      
                                                                      
    10.22         Sublease Agreement between Air Midwest Inc.         Filed as Exhibit 10.32.5 to Form S-1,
                  and Mesa Airlines, Inc., dated July 26,             Registration No. 33-35556 effective December 6,
                  1990, for Embraer Brasilia aircraft 120.193         1990, incorporated herein by reference
</TABLE>


                                       68
<PAGE>   70
<TABLE>
<CAPTION>
    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C> 
     10.23        Lease Agreement between McDonnell Douglas           Filed as Exhibit 10.32.6 to Form S-1,
                  Finance Corporation and Mesa Airlines, Inc.,        Registration No. 33-35556 effective December 6,
                  dated July 26, 1990, for Embraer Brasilia           1990, incorporated herein by reference
                  aircraft 120.193                                    
                                                                      
     10.24        Sublease Agreement between Air Midwest Inc.         Filed as Exhibit 10.32.7 to Form S-1,
                  and Mesa Airlines, Inc., dated September 26,        Registration No. 33-35556 effective December 6,
                  1990, for Embraer Brasilia aircraft 120.203         1990, incorporated herein by reference
                                                                      
     10.25        Lease Agreement between McDonnell Douglas           Filed as Exhibit 10.32.8 to Form S-1,
                  Finance Corporation and Mesa Airlines, Inc.,        Registration No. 33-35556 effective December 6,
                  dated September 26, 1990, for Embraer               1990, incorporated herein by reference
                  Brasilia aircraft 120.203                           
                                                                      
     10.27        Expanded Partner Agreement between United           Filed as Exhibit 19.3 to Registrant's Form 10-Q
                  Air Lines, Inc., and Mesa Airlines, Inc.,           for the quarterly period ended June 30, 1990,
                  dated February 15, 1990                             Commission File No. 0-15495, incorporated
                                                                      herein by reference
                                                                      
     10.29        Form of Directors' and Officers'                    Filed as Exhibit 10.41 to Form S-1,
                  Indemnification Agreement                           Registration No. 33-35556 effective December 6,
                                                                      1990, incorporated herein by reference
                                                                      
     10.31        Agreement Relating to the Settlement of             Filed as Exhibit 10.45 to Form S-1,
                  Interline Accounts through Airlines Clearing        Registration No. 33-35556 effective December 6,
                  House, Inc., between Airlines Clearing              1990, incorporated herein by reference
                  House, Inc. and Mesa Airlines, Inc., dated          
                  September 2, 1981                                   
                                                                      
     10.32        Agreement between Beech Aircraft Corporation        Filed as Exhibit 10.42 to Form 10-K for fiscal
                  and Mesa Airlines, Inc., dated September 18,        year ended September 30, 1991, Commission File
                  1991                                                No. 0-15495, incorporated herein by reference
                                                                      
     10.33        Agreement between US Airways, Inc. and Air          Filed as Exhibit 10.43 to Form 10-K for fiscal
                  Midwest, Inc.                                       year ended September 30, 1991, Commission File
                                                                      No. 0-15495, incorporated herein by reference
                                                                      
     10.34        Agreement between US Airways, Inc. and              Filed as Exhibit 10.44 to Form 10-K for fiscal
                  FloridaGulf Airlines, Inc.                          year ended September 30, 1991, Commission File
                                                                      No. 0-15495, incorporated herein by reference
                                                                      
     10.35        Sublease agreement between Trans States             Filed as Exhibit 10.45 to Form 10-K for fiscal
                  Airlines, Inc. and Air Midwest, Inc.                year ended September 30, 1992, Commission File
                                                                      No. 0-15495, incorporated herein by reference
                                                                      
     10.37        Agreement between Beech Aircraft                    Filed as Exhibit 10.47 to Form 10-K for fiscal
                  Corporation, Beech Acceptance Corporation,          year ended September 30, 1992, Commission File
                  Inc. and Mesa Airlines, Inc., dated August          No. 0-15495, incorporated herein by reference
                  21, 1992                                            
     10.38        Agreement between America West Airlines,            Filed as Exhibit 10.48 to Form 10-K for fiscal
                  Inc. and Mesa Airlines, Inc.                        year ended September 30, 1992, Commission File
                                                                      No. 0-15495, incorporated herein by reference
                                                                      
     10.39        Agreement between United Air Lines, Inc. and        Filed as Exhibit 10.49 to Form 10-K for fiscal
                  WestAir Commuter Airlines, Inc. (WestAir)           year ended September 30, 1992, Commission File
                                                                      No. 0-15495, incorporated herein by reference
</TABLE>


                                       69
<PAGE>   71
<TABLE>
<CAPTION>

    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C>                
     10.40        Plan and Agreement to Merge between Mesa            Filed as Exhibit A to Form S-4 Registration No. 
                  Airlines, Inc., Mesa Acquisition Corporation        33-45638, effective April 17, 1992, incorporated 
                  and WestAir Holding, Inc., dated February 7,        herein byreference 1992.
                  
     10.41        Certificate of Public Convenience and               Filed as Exhibit 10.1(a) to WestAir Holding,
                  Necessity for WestAir Commuter Airlines, Inc.       Inc.'s Registration Statement on Form S-1,
                                                                      Commission File No. 33-24316, incorporated
                                                                      herein by reference
                                                                      
     10.42        Air Carrier Operating Certificate for WestAir       Filed as Exhibit 10. to WestAir Holding, Inc.'s
                                                                      Registration Statement on Form S-1, Commission
                                                                      File No. 33-24316, incorporated herein by
                                                                      reference
     
     10.46        Original Agreement to Lease dated as of             Filed as Exhibit 10.44 to WestAir Holding,
                  April 27, 1987 between NPA, Inc. ("NPA") and        Inc.'s Registration Statement on Form S-1,
                  British Aerospace, Inc. ("BAe") with a              Commission File No. 33-24316, incorporated
                  Letter to FG Holdings, Inc. ("FGH") dated           herein by reference
                  March 11, 1988 and Amendment No. 1 to               
                  Agreement to Lease dated as of March 3, 1988        
                  between BAe and FGH                                 
                                                                      
     10.47        Side Letter Agreement to NPA from JACO dated        Filed as Exhibit 10.48 to WestAir Holding,
                  June 4, 1987                                        Inc.'s Registration Statement on Form S-1,
                                                                      Commission File No. 33-24316, incorporated
                                                                      herein by reference
                                                                      
     10.49        Employment Agreement dated as of September          Filed as Exhibit 10.51(b) to WestAir Holding,
                  1, 1988 between WestAir and Maurice J.              Inc.'s Registration Statement on Form S-1,
                  Gallagher Jr.                                       Commission File No. 33-24316, incorporated
                                                                      herein by reference
                                                                      
     10.50        Aviation Land and Building Lease and                Filed as Exhibit 10.164 to the Pre-effective
                  Agreement between City of Fresno, California        Amendment No. 1, filed October 19, 1988, to
                  and WestAir dated January 7, 1986                   WestAir Holding, Inc.'s Registration Statement
                                                                      on Form S-1, Commission File No. 33-24316,
                                                                      incorporated herein by reference
                                                                      
     10.51        Airport Operating Permit between Airport            Filed as Exhibit 10.67 to WestAir Holding,
                  Commission of City and County of San                Inc.'s Registration Statement on Form S-1,
                  Francisco and WestAir                               Commission File No. 33-24316, incorporated
                                                                      herein by reference
                                                                      
     10.58        Promissory Note to Textron for spare parts          Filed as Exhibit 10.80 to WestAir Holding,
                  as executed by WestAir, dated December 30,          Inc.'s Form 10-K dated December 31, 1988,
                  1988                                                Commission File No. 33-24316, incorporated
                                                                      herein by reference
                                                                      
     10.59        Agreement to lease Jetstream model 3101             Filed as Exhibit 2.1 to WestAir Holding, Inc.'s 
                  aircraft and Jetstream model 3201                   Form 8-K filed June 8, 1989, Commission 
                  aircraft File between BAe and WestAir,              No. 33-24316,incorporated herein by reference 
                  dated May 11, 1989                 
                                                  
                                                                      
     10.60        Amendment to Agreement to Lease dated May           Filed as Exhibit 10.38 to WestAir Holding,
                  11, 1989 between WestAir and BAe, dated             Inc.'s Form 10-K for the year ended December
                  February 15, 1990                                   31, 1989, Commission File No. 33-24316,
                                                                      incorporated herein by reference
                                                                      
     10.61        Amended and Restated Stock Purchase                 Filed as Exhibit 10.42(a) to WestAir Holding,
                  Agreement, dated September 30, 1991 among           Inc.'s Form 10-K for the year ended December
                  WestAir Holding, Inc., WestAir Commuter             31, 1991, Commission File No. 33-24316,
                  Airlines, Inc. and Atlantic Coast Airlines,         incorporated herein by reference
                  Inc., relating to the sale of the Atlantic          
                  Coast division of WestAir Commuter Airlines,        
                  Inc.                                                
</TABLE>


                                       70
<PAGE>   72
<TABLE>
<CAPTION>
    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C>                         
     10.65        Agreement of Purchase and Sales of Assets by        Filed as Exhibit 10.90 to Mesa Airlines, Inc.
                  and among Crown Airways, Inc., Phillip R.           Form 10-K for the year ended September 30,
                  Burnaman, A. J. Beiga and Mesa Airlines,            1994, Commission File No. 0-15495
                  Inc., dated as of December 16, 1993                 
                                                                      
     10.66        Supplemental Agreement  No. 9/03/94                 Filed as Exhibit 10.66 to Mesa Airlines, Inc.
                  Beechcraft 1900 D Airliner Acquisition              Form 10-K for the year ended September 30,
                  Master Agreement between Mesa Airlines,             1994, Commission File No. 0-15495
                  Inc., Beech Aircraft Corporation and Beech          
                  Acceptance Corporation, Inc., dated as of           
                  September 23, 1994                                  
                                                                      
     10.67        Form of Lease Agreement between Beech               Filed as Exhibit 10.67 to Mesa Airlines, Inc.
                  Acceptance Corporation, Inc. and Mesa               Form 10-K for the year ended September 30,
                  Airlines, Inc.,  negotiated September 30,           1994, Commission File No. 0-15495
                  1994 for all prospective 1900 D Airliner         
                  leases.                                             
                                                                      
     10.68        Asset Purchase Agreement dated July 29, 1994        Filed as Exhibit 10.68 to Mesa Airlines, Inc.
                  among Pennsylvania Commuter Airlines, Inc.,         Form 10-K for the year ended September 30,
                  dba Allegheny Commuter Airlines, US Airways         1994, Commission File No. 0-15495
                  Leasing and Services, Inc., and Mesa                
                  Airlines, Inc.                                      
                                                                      
     10.69        Letter Agreement in Principle dated as of           Filed as Exhibit 10.69 to Mesa Airlines, Inc.
                  October 16, 1994 among Air Wisconsin, Inc.,         Form 10-K for the year ended September 30,
                  United Air Lines Inc. and Mesa Airlines,            1994, Commission File No. 0-15495
                  Inc. (Certain portions deleted pursuant to          
                  request for confidential treatment)                 
                  (Referred to erroneously as Exhibit 10.94 in        
                  letter asking for confidential treatment to         
                  Securities and Exchange Commission dated            
                  12-23-94 from Chapman & Cutler)                     
                                                                      
     10.70        Subscription Agreement between AmWest               Filed as Exhibit 10.70 to Mesa Airlines, Inc.
                  Partners, L.P. and Mesa Airlines, Inc. dated        Form 10-K for the year ended September 30,
                  as of June 28, 1994                                 1994, Commission File No. 0-15495
                                                                      
     10.71        Omnibus Agreement                                   Filed as Exhibit 10.71 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.72        Aircraft Purchase and Sale Agreement                Filed as Exhibit 10.72 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.73        Expendable and Rotable Spare Parts and Sale         Filed as Exhibit 10.73 to Mesa Air Group, Inc.
                  Agreement                                           Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.74        United Express Agreement Amendment                  Filed as Exhibit 10.74 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.75        Side Letter Agreement                               Filed as Exhibit 10.75 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
</TABLE>


                                       71
<PAGE>   73
<TABLE>
<CAPTION>

    EXHIBIT
    NUMBER        DESCRIPTION                                         REFERENCE
    ------        -----------                                         ---------
<S>               <C>                                                 <C>                          
     10.76        First Amendment to Omnibus Agreement                Filed as Exhibit 10.76 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.77        Operating Lease Agreement                           Filed as Exhibit 10.77 to Mesa Air Group, Inc.
                                                                      Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.78        Item 3. Legal Proceedings - Form 10-K dated         Filed as Exhibit 10.78 to Mesa Air Group, Inc.
                  September 30, 1994                                  Form 10-Q for the quarter ended December 31,
                                                                      1994, Commission File No. 0-15495
                                                                      
     10.79        Purchase Agreement B95-7701-PA-200 between          Filed as Exhibit 10.79 to Mesa Air Group, Inc.
                  Bombardier Inc. and Mesa Airlines, Inc.             Form 10-Q for the quarter ended March 31, 1995,
                                                                      Commission File No. 0-15495
                                                                      
     10.81        Letter of Understanding between Mesa Air            Filed as Exhibit 10.81 to Mesa Air Group, Inc.
                  Group, Inc. and Raytheon Aircraft Company           Form 10-Q for the quarter ended March 31, 1996,
                  (RAC) dated April 12, 1996.                         Commission File No. 0-15495
                                                                      
     10.82        Supplemental Agreement No. 05/22/96,                Filed as Exhibit 10.82 to Mesa Air Group, Inc.
                  Beechcraft 1900D Airliner Acquisition Master        Form 10-Q for the quarter ended March 31, 1997,
                  Agreement between Mesa Air Group, Inc.,             Commission File No. 0-15495
                  Raytheon Aircraft Company and Raytheon              
                  Aircraft Credit Corporation                         
                                                                      
     10.83        Bombardier Regional Aircraft Division               Filed as Exhibit 10.83 to Mesa Air Group, Inc.
                  Purchase Agreement CRJ-0351 between                 Form 10-Q for the quarter ended December 31,
                  Bombardier Inc. and Mesa Air Group, Inc.            1996, Commission File No. 0-15495

     10.84        Aircraft Option Exercise B97-7701-RJTL-3492L        Filed herewith
                  dated as of August 15, 1997 between Mesa Air
                  Group, Inc. and Bombardier Inc.  (Request
                  for confidential treatment submitted to SEC.)

     10.85        Bombardier Regional Aircraft Division               Filed herewith
                  Settlement Agreement B97-7701-RJTL-3493L
                  dated as of August 15, 1997 between Mesa Air
                  Group, Inc. and Bombardier Inc.  (Request
                  for confidential treatment submitted to SEC.)

     10.86        Service Agreement dated as of November 11,          Filed herewith
                  1997 between Mesa Airlines, Inc. and US
                  Airways, Inc. (Request for confidential
                  treatment submitted to SEC.)

     21.1         Subsidiaries list of Mesa Air Group, Inc.           Filed herewith

     23.1         Independent Auditors' Consent of KPMG Peat          Filed herewith
                  Marwick LLP
</TABLE>


                                       72
<PAGE>   74
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the Registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

                                         MESA AIR GROUP, INC.


                                 By:     /s/ Larry L. Risley
                                         -------------------
                                         Larry L. Risley
                                         Chief Executive Officer and
                                         Chairman of the Board of Directors


                                 By:     /s/ W. Stephen Jackson
                                         ----------------------
                                         W. Stephen Jackson
                                         Chief Financial Officer, Treasurer
                                         and Vice President of Finance


Dated:        January ____, 1998

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the Registrant and
in the capacities and on the dates indicated.


<TABLE>
<S>                                 <C>                                              <C>
/s/ Larry L. Risley                 Chairman, Chief Executive Officer, Director      January ___, 1998
- ------------------------------
Larry L. Risley


/s/ J. Clark Stevens                President, Chief Operating Officer               January ___, 1998
- ------------------------------
J. Clark Stevens


/s/ Jack Braly                      Director                                         January ___, 1998
- ------------------------------
Jack Braly


/s/ Paul R. Madden                  Director                                         January ___, 1998
- ------------------------------
Paul R. Madden


/s/ E. Janie Risley                 Director                                         January ___, 1998
- ------------------------------
E. Janie Risley


/s/ Richard C. Poe                  Director                                         January ___, 1998
- ------------------------------
Richard C. Poe
</TABLE>


                                       73

<PAGE>   1
                                                                   EXHIBIT 10.84

                       [ON LETTERHEAD OF BOMBARDIER INC.]

                                                                    CONFIDENTIAL

August 15, 1997
Our Ref:  B97-7701-RJTL-349L


                              SETTLEMENT AGREEMENT


This Agreement is entered into this 15th day of August 1997

by and between

                                  Bombardier Inc., represented by its
                                  Regional Aircraft Division
                                  ("BRAD")

                                  AND

                                  Mesa Air Group, Inc. ("Mesa")

Whereas BRAD and Mesa have entered into purchase agreement 8-0299 dated March
24, 1995 (the "Purchase Agreement") for the purchase of twenty-five (25) Dash
8-200 aircraft (the "Aircraft"), as same has been amended:

Whereas by letter dated April 23, 1997, Mesa gave notice of its intention to
terminate the purchase of Aircraft numbers 13 through 25;

Whereas the parties desire to resolve and settle any and all dispute pertaining
to the Purchase Agreement;

THEREFORE THE PARTIES HERETO AGREE AS FOLLOWS:

ARTICLE 1. Mesa hereby withdraws its cancellation notice for Aircraft number 13
to 20 and starting in August of 1997, Mesa will take delivery of aircraft 13
through 20 ("Undelivered Aircraft") at a rate of one aircraft per month. The
Undelivered Aircraft will not have the NVS and the Lightweight Bulkhead
installed.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   2
ARTICLE 2. Mesa hereby renounces its rights to the retrofit of the NVS and
Lightweight Bulkhead on the aircraft already delivered. In addition, Mesa will
accept the current Watermark restriction in the cargo compartment. Mesa hereby 
[ * ] in connection with or relating to said NVS, Lightweight Bulkhead, Cargo
Watermark and other configuration [ * ] in the Aircraft already delivered
provided however that nothing herein contained shall relieve BRAD of its ongoing
obligations with respect to the Warranty and Service Life Policy provisions of
the Agreement for such other configuration [ * ].

ARTICLE 3. Within five (5) business days of the execution of this Agreement,
BRAD will [ * ] due under the Purchase Agreement, totaling as of June 30, 1997,
[ * ], and BRAD will remain current on all such [ * ] in the future.

ARTICLE 4. In accordance with the Purchase Agreement, the Parked Trade-In
Aircraft will be placed on Mesa's (or Westair's certificate as long as Westair
remains under the control and ownership of Mesa Air Group, Inc.) FAA, Part 121
operating certificate. [ * ]. The Parked Trade-In Aircraft will remain on Mesa's
(or Westair's as applicable) operating certificate until notified in writing by
BRAD, in accordance with the provisions of the Purchase Agreement.

ARTICLE 5. The Parked Trade-In Aircraft will be ferried from their current
location in Mena, AK to Mesa's (and/or Westair's) facilities in Fresno, CA. 
[ * ].

ARTICLE 6. The Parked Trade-In Aircraft will be stored together in a secure
location at Mesa's (and/or Westair's) facility in Fresno. Access to the Parked
Trade-In Aircraft will be limited to Mesa personnel performing mandatory checks,
or work requested by BRAD. [ * ].

ARTICLE 7. Mesa shall maintain or cause to be maintained the Parked Trade-In
Aircraft in such a condition as to remain in compliance with (i) Mesa's and/or
Westair's maintenance program requirements, and (ii) with the terms and
conditions of the lease covering the respective aircraft. In addition, [ * ].
For the above work Mesa shall be entitled to [ * ]:

                  a)       [ * ]             [ * ]
                  b)       [ * ]             [ * ]
                  c)       [ * ]             [ * ]

[ * ].

ARTICLE 8. [ * ]. Except for the Parked Trade-In Aircraft as of the date of this
Settlement Agreement, [ * ], as the case may be.


                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   3
ARTICLE 9. BRAD will [ * ] from Mesa the [ * ] and [ * ] discovered after
October 1996 which are certified with appropriate supporting documentation in
accordance with the terms and conditions specified in Letter Agreement MJR-003
to the Purchase Agreement. Mesa will submit the description of the [ * ] on or
before September 1, 1997. BRAD will not have any [ * ] not on the list as of
September 1, 1997.

ARTICLE 10. Mesa hereby exercises its right under CCO #4, dated August 14, 1996,
as amended by CCO #5 dated December 13, 1996, to cancel aircraft #20 through #25
of the Undelivered Aircraft.

ARTICLE 11. [ * ] (Ref: B96-7701-RL-2764L).

ARTICLE 12. In consideration of this Settlement Agreement, BRAD hereby grants to
Mesa the right to convert the order of Undelivered Aircraft, on a one-for-one
basis, for an equivalent order of CRJ aircraft. Mesa may exercise this
conversion right by exercising two blocks of Option Aircraft totaling eight CRJ
aircraft, for which BRAD has not already committed to take EMB-120 aircraft in
trade, upon the terms of Letter Agreement RJTL-CRJ0351-001 to Purchase Agreement
CRJ-0351 dated January 31, 1997.

ARTICLE 13. If Mesa exercises its conversion right as provided in Article 12
above, the Dash 8 Flexparts inventory will be adjusted to reflect a fleet of 12
Aircraft.

ARTICLE 14. Mesa and BRAD agree that this Settlement Agreement shall be the full
and final settlement of all claims, demands, causes of action which either party
may have as of the date hereof relating to the Aircraft and the Purchase
Agreement or to the subject matters covered herein, including without
limitation:

(1)      Any claims of BRAD regarding:

         a)       The [ * ] of the EMB 120 Serial No. 30, 54, 79, 96
         b)       The [ * ] of Dash 8-100, Serial Number 282
         c)       The [ * ] of the seven (7) Dash 8-300 aircraft
         d)       The [ * ] against serial number 279
         e)       The [ * ] provided with the Undelivered Aircraft

(2)      Any claim of Mesa regarding:

         a)       With respect to the [ * ] (except for the on-going obligations
                  of BRAD under the Purchase Agreement such as Warranty);


                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   4
         b)       With respect to the [ * ], including lack of NVS, lightweight
                  bulkhead and cargo watermarks of the Aircraft already
                  delivered;

         c)       The [ * ] of the Aircraft;

         d)       [ * ].

ARTICLE           15. This Settlement Agreement shall be governed by the laws of
                  the State of [ * ].

ARTICLE 16.                As compensation for the above, [ * ].

In witness whereof the parties hereto have signed this 15th day of August 1997.

Bombardier Inc.                             Mesa Air Group, Inc.



/s/ Richard Allison                         Per: /s/ Larry L. Risley
- -----------------------------                   -------------------------------
Richard Allison
Vice-President, Sales -                     Title: Chairman/CEO
   The Americas                                   -----------------------------

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

<PAGE>   1
                                                                   EXHIBIT 10.85

                       [ON LETTERHEAD OF BOMBARDIER INC.]


August 15, 1997
Our Ref:  B97-7701-RJTL-3492L


Mesa Air Group, Inc.Mesa Air Group, Inc.
2325 East 30th
Farmington, NM  87401
USA

Attention:  Mr. Larry Risley, Chairman and Chief Executive Officer


Dear Larry:

Following our meeting on July 24, 1997 and your proposal to exercise Option
Aircraft and to convert the undelivered Dash 8 aircraft to CRJ aircraft, you
will find below the description of our mutual agreement relating thereto.

ARTICLE 1.        Exercise of the First Block of Option Aircraft

                  1.1      Pursuant to the provisions of Letter Agreement
                           RJTL-CRJ0351-001 (Option Aircraft) of purchase
                           agreement number CRJ-0351 (the "Purchase Agreement"),
                           Mesa hereby exercises its option right to purchase
                           the first block of Option Aircraft. These Option
                           Aircraft hereby become Firm Aircraft No. 17, 18, 19
                           and 20 for delivery in September, October, November
                           and December 1998. The terms and conditions of Letter
                           Agreement RJTL-CRJ0351-001 shall apply to said
                           aircraft.

                  1.2      As a result of the exercise of the option for the
                           first block of Option Aircraft and in accordance
                           with and subject to the terms of Letter Agreement
                           RJTL-CRJ0351-015, Mesa shall be entitled to [ * ].
                           Said [ * ]:

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   2
                                    [ * ] 19
                                    [ * ] 20
                                    [ * ] 21
                                    [ * ] 22

ARTICLE 2.        Conversion of Dash 8 order

                  2.1      In accordance with the provisions of Article 12 of
                           the Settlement Agreement dated August 15, 1997, Mesa
                           hereby exercises its option right to purchase the
                           second and third block of Option Aircraft thus
                           converting its order for the eight (8) Undelivered
                           Dash 8 Aircraft No. 13 to 20 which are hereby
                           converted to eight (8) CRJ Aircraft (the "Converted
                           CRJ") being Firm Aircraft No. 21 to 28. The terms
                           and conditions of Letter Agreement No.
                           RJTL-CRJ0351-001 shall apply to said Aircraft.

                  2.2      The parties recognize and acknowledge that pursuant
                           to the Purchase Agreement No. 8-0299 covering the
                           purchase of the Dash 8 and the Settlement Agreement,
                           BRAD has taken in trade-in eight (8) EMB120 against
                           the eight (8) Undelivered Dash 8 Aircraft being
                           converted. In addition to the provisions of Letter
                           Agreement No. RJTL-CRJ0351- 015, and in consideration
                           of the exercise of the second and third block of
                           Option Aircraft, BRAD will retain said trade-in
                           EMB120 aircraft against the purchase of Aircraft No.
                           1, 2, 5, 6, 7, 8, 9 and 10. The original allowance
                           under Letter Agreement No. RJTL-CRJ0351-015 for ten
                           (10) EMB-120 trade-in aircraft are hereby to be
                           applied against Firm Aircraft Nos. 3, 4, 11, 12, 13,
                           14, 15, 16, 17 and 18.

                  2.4      The Converted CRJ scheduled delivery dates shall be
                           as follows:

<TABLE>
<CAPTION>
<S>                                 <C>                                <C>
                                    Aircraft No. 21                    January 1999
                                    Aircraft No. 22                    February 1999
                                    Aircraft No. 23                    March 1999
                                    Aircraft No. 24                    April 1999
                                    Aircraft No. 25                    May 1999
                                    Aircraft No. 26                    June 1999
                                    Aircraft No. 27                    July 1999
                                    Aircraft No. 28                    August 1999
</TABLE>

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   3
ARTICLE 3.        Exercise of the fourth Block of Option Aircraft

                  3.1      Pursuant to the provisions of Letter Agreement
                           RJTL-CRJ0351-001 of the Purchase Agreement, Mesa
                           hereby exercises its option right to purchase the
                           fourth block of Option Aircraft. These Option
                           Aircraft hereby become Firm Aircraft No. 29, 30, 31
                           and 32, for delivery in September, October, November
                           and December 1999. The terms and conditions of Letter
                           Agreement No. RJTL-CRJ0351-001 shall apply to said
                           Aircraft.

ARTICLE 4.        Trade-in Delivery

                  4.1      In consideration of this Agreement, BRAD hereby
                           grants to Mesa the right to trade-in an additional
                           ten (10) EMB-120 aircraft which can be delivered to
                           BRAD against the purchase of Firm Aircraft No. 23 to
                           32 on a one for one basis at the time of delivery of
                           each such CRJ.

                  4.2      The parties hereto recognize that as a result of the
                           exercise of the above options and the Conversion of
                           the Dash 8 order, the Firm Aircraft total [ * ] in 
                           [ * ]. The parties further recognize that as of the
                           delivery of Firm Aircraft No. 7 on July 30, 1997,
                           BRAD has accepted, in anticipation, a total of [ * ].
                           As an accommodation to Mesa, BRAD will accept, in
                           advance, a [ * ] upon delivery of Firm Aircraft No.
                           7, all subject to the provisions of Letter of
                           Agreement No. RJTL-CRJ0351-001. In order to abide by
                           the principle of [ * ].

                  4.3      Without limitation to the provisions of Letter of
                           Agreement No. RJTL- CRJ0351-001, the parties
                           recognize that the provisions of Articles 4 to 8 of
                           the Settlement Agreement shall apply mutatis mutandis
                           to the [ * ] aircraft referred to herein.

ARTICLE 5.        Purchase Agreement

                  5.1      In accordance with the provisions of Article 1.3 of
                           Letter Agreement No. RJTL-CRJ0351-001 the parties
                           agree to make all reasonable efforts to execute the
                           Change Order required to give effect to this Letter
                           of Exercise within 21 days from the date hereof.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "
<PAGE>   4
If this Letter property reflects our agreement, please so indicate by signing in
the space provided below.

Yours very truly,

BOMBARDIER INC.



/s/ Richard Allison
- -----------------------------
Richard Allison
Vice-President, Sales - The Americas
August 15, 1997


Mesa Air Group, Inc.

per /s/ Larry L. Risley
   -------------------------

date August 25, 1997
    ------------------------

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

<PAGE>   1
                                                                   EXHIBIT 10.86

                                SERVICE AGREEMENT

         This Agreement is made and entered as of this 11th day of November,
1997, by and between US Airways, Inc., (herein referred to as "US Airways"), a
Delaware corporation having its principal place of business at 2345 Crystal
Drive, Arlington, Virginia 22227, and Mesa Airlines, Inc., (herein referred to
as "MesaJet"), a Nevada corporation having a principal place of business at 2325
East 30th Street, Farmington, New Mexico 87401.

                                   WITNESSETH:

         WHEREAS, US Airways holds a certificate of public convenience and
necessity issued by the Department of Transportation ("DOT") authorizing US
Airways to engage in the interstate and overseas air transportation of persons,
property and mail between all points in the United States, its territories and
possessions;

         WHEREAS, MesaJet holds a certificate of public convenience and
necessity issued by the Department of Transportation (DOT) authorizing MesaJet
to engage in the interstate air transportation of persons, property and mail in
the United States;

         WHEREAS, US Airways owns various trademarks, service marks and logos,
including "US Airways," "US Airways Express," and distinctive exterior color
decor and patterns on its aircraft, hereinafter referred to individually and
collectively as the "US Airways Servicemarks";

         WHEREAS, MesaJet desires to operate regional jets as US Airways Express
air transportation services as provided in this Agreement and wishes to acquire
a

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                        1
<PAGE>   2
nonexclusive license for use of one or more of US Airways' Servicemarks for use
in connection with MesaJet's operation of such services;

         WHEREAS, US Airways desires to contract for the operation of such
regional jets as scheduled air transportation services by MesaJet and does
hereby grant MesaJet the use of one or more of US Airways' Servicemarks in
connection with MesaJet's operation of such services; and

         WHEREAS, both parties desire that MesaJet be compensated by US Airways
for operating such regional jets as air transportation services and that US
Airways assume certain of the business obligations associated with the marketing
and sale of such transportation services to the traveling public, in each case
as more particularly described herein;

         NOW THEREFORE, for and in consideration of the foregoing premises and
the mutual covenants and obligations hereinafter set forth, the parties to this
Agreement hereby agree as follows:

ARTICLE 1 - COMPLIANCE WITH REGULATIONS

1.1 MesaJet hereby represents, warrants and agrees that all air transportation
services performed by it pursuant to this Agreement or otherwise shall be
conducted in full compliance with any and all applicable statutes, orders,
rules, and regulations, whether now in effect or hereafter promulgated, of all
governmental agencies having jurisdiction over MesaJet's operations, including,
but not limited to the Federal Aviation Administration ("FAA") and the DOT (for
purposes of this Agreement, any applicable

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       2
<PAGE>   3
regulatory authority, whether domestically or internationally, shall be referred
to as the "FAA"). MesaJet hereby accepts the sole and exclusive responsibility
for complying with such governmental statutes, orders, rules, and regulations
and the parties agree that US Airways will have no obligations or
responsibilities, whether direct or indirect, with respect to such matters.

ARTICLE 2 - AIR TRANSPORTATION SERVICES TO BE PROVIDED BY

            MESAJET

2.1 At all times during the term of this Agreement and any amendment or
extension thereof, MesaJet will schedule and operate US Airways Express air
transportation service between various domestic city-pairs (hereinafter referred
to as "the Service") using up to twelve Canadair Regional Jets, CRJ-200 fifty
(50) seat jet aircraft (hereinafter referred to as "the Aircraft"), based on the
implementation schedule set forth in Exhibit 2.1, attached hereto and made a
part hereof. The city-pairs from which the air transportation services are to be
provided by MesaJet pursuant to this Agreement will be selected by US Airways'
in its sole discretion. US Airways may, on [ * ] advance written notice to
MesaJet, designate changes in the following: [ * ].

2.2 The Aircraft will comply with the descriptions and have the capacities and
payloads as set forth in Exhibit 2.2, attached hereto and made a part hereof.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       3
<PAGE>   4
2.3 During the term of this Agreement, MesaJet will be responsible for the
technical operation of the Aircraft and the safe performance of the flights in
accordance with all applicable law (such law of any jurisdiction having
authority, the "FAA Regulations"). MesaJet shall retain full authority,
operational control and possession of the Aircraft to enable it to do so. In
particular, MesaJet or its agents or employees will, for the purpose of the safe
performance of such flights, have absolute discretion in all matters concerning
the preparation of the Aircraft for flight, the flight, the load carried and its
distribution insofar as such matters affect the safety of the Aircraft, the
decision whether or not such flight shall be undertaken, and all other matters
relating to the technical operation of the Aircraft. MesaJet will be solely
responsible for, and US Airways will have no obligations or duties with respect
to the dispatch of MesaJet's' flights operated pursuant to this Agreement or
otherwise. For the purpose of this Section 2.3, the term flight dispatch will
include, but will not be limited to, all planning of flight itineraries and
flight paths, fueling and flight release.

2.4 The operation of the Aircraft shall be carried out in accordance with the
FAA Regulations and the Air Authority-approved standards and practices of
MesaJet thereunder.

2.5 MesaJet will furnish to US Airways a copy of relevant operating
specifications, operational regulations, manuals and calculations in respect of
the Aircraft and will also furnish to US Airways a copy of all flight statistics
in respect of the flights operated.

2.6 During the term of this Agreement, the Aircraft will remain registered in
the United States of America in accordance with the FAA Regulations.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       4
<PAGE>   5
2.7 In addition to the Aircraft described in Exhibit 2.2, attached hereto and
made a part hereof, MesaJet may arrange for, and may have substitute aircraft as
may be required to maintain effectively the seat miles which US Airways will
utilize under this Agreement, during periods when MesaJet's primary aircraft may
be out of service due to unforeseen and irregular maintenance requirements. Such
spare or substitute aircraft will meet, at a minimum, US Airways Express cabin
class standards and such aircraft's exterior decor will be subject to US
Airways' prior written approval. Such approval will not be unreasonably
withheld. If the scope of this Agreement is expanded pursuant to Section 12.1,
the thirteenth aircraft will be treated as a spare or substitute aircraft for
purposes of this Agreement. At the time of its acquisition, the cost of such
aircraft will be added to the RJ Model referenced in Article 5 of this
Agreement.

2.8 [ * ]. US Airways will be responsible for [ * ]. The parties have agreed to
allocate costs in accordance with the designations reflected in Exhibit 2.8,
attached hereto and made a part hereof.

ARTICLE 3 -  OPERATION UNDER THE "US AIRWAYS EXPRESS" NAME

3.1 The Aircraft and any replacement aircraft utilized by MesaJet pursuant to
this Agreement will bear US Airways Servicemarks, presently consisting of the
red, white, gray and blue aircraft exterior color decor and pattern provided by
US Airways and the name "US Airways Express" and will utilize the US Airways
Code in flight displays. At any time during the term of this Agreement, and at
the sole discretion of US Airways,

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       5
<PAGE>   6
MesaJet shall use such new or different servicemarks and exterior color decor
and patterns on its Aircraft as US Airways may determine. Interior color
schemes must also be approved by US Airways. Upon written notice from US
Airways, which will include the specifications for any such changes in service-
marks and/or exterior aircraft decor and patterns, MesaJet will effect such
changes as promptly as is reasonably practicable. MesaJet will not be
expected to implement changes in the exterior color decor and pattern, more
than once in any three consecutive year period. [ * ].

3.4 In addition to use of the US Airways Servicemarks on the Aircraft, MesaJet
will use and display suitable signs on the interior and exterior of the Aircraft
identifying MesaJet as the operator of the services being provided pursuant to
this Agreement. The location of the signs will be subject to the prior written
approval of US Airways as to nature, size and location on MesaJet's Aircraft
provided that the signs will satisfy the FAA Regulations and other Regulations.

ARTICLE 4 -  US AIRWAYS' SUPPORT SERVICES AND FACILITIES

4.1 US Airways will provide reservations, ground support services, station
facilities, and cargo and mail handling services, to the extent and in the
manner set forth in the subsequent sections of this Article 4. Such services and
facilities will be furnished only with respect to MesaJet's Services offered
under this Agreement.

4.2 Reservations

         (a) All reservations will be requested and confirmed for passengers
using the Aircraft operated by MesaJet under this Agreement through US Airways'
internal

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       6
<PAGE>   7
reservations services. Connecting reservations to US Airways or to other air
carriers will be requested and confirmed through US Airways' internal
reservations system in accordance with currently established methods and
procedures utilized by US Airways for its passengers. For passengers originating
their travel at points other than those served by MesaJet under this Agreement,
either on US Airways' internal reservations system or on the reservations
systems of other airlines, connecting reservations to the services of MesaJet
will also be made in accordance with currently established methods and
procedures utilized by US Airways for its passengers. In all cases, US Airways
will confirm the reservations of MesaJet's passengers through the entire
itinerary of their scheduled trips. When a contact number is supplied by the
passengers making such reservations, US Airways will assume the responsibility
of notifying passengers of any changes in MesaJet's schedules or operations,
provided that MesaJet furnishes US Airways with sufficient advance notice of
such changes.

         (b) In the event of flight delays, cancellations or other schedule
irregularities affecting MesaJet's scheduled services, and as soon as
information concerning such irregularities is available, MesaJet will notify US
Airways' reservations control center in a manner prescribed by US Airways and
furnish such information in as much detail as is

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       7
<PAGE>   8
reasonably practicable. All schedule changes and passenger reaccommodations for
MesaJet passengers will be performed in the same manner as they would for US
Airways passengers.

         (c) From time to time, and solely upon the request of MesaJet or its
flight crews, US Airways may furnish MesaJet's flight crew with such U.S.
weather bureau information or data as may be available to US Airways; provided,
that in furnishing any such weather information or data to MesaJet, neither US
Airways nor its employees or agents will be responsible or liable for the
accuracy thereof.

4.3      Station Facilities and Ground Support Service

         (a) US Airways will provide the following services at locations where
MesaJet provides air transportation services pursuant to this Agreement:

             [ * ]

                      " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       8
<PAGE>   9
                  [ * ]

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       9
<PAGE>   10
                  [ * ]

4.4      Cargo,  Company Materials ("CoMat") and Mail Handling Services.

         (a) US Airways' personnel or its agents will process appropriate
tickets and/or bills of lading and US Airways airbills, accept for
transportation, and will load on the regularly scheduled air transportation
Services operated by MesaJet under this Agreement, such cargo and U. S. mail as
will be tendered to it by the United States Postal Service ("USPS") and by cargo
customers, provided that no Hazardous Materials, as defined by the F.A.A.
Regulations and MesaJet's approved Hazardous Materials program, may be accepted
and transported on MesaJet aircraft.

         (b) US Airways will observe and comply with all applicable regulations,
instructions and procedures with respect to mail, CoMat and cargo packages.

         (c) Subject to subpart (b) of Section 4.4, above, US Airways will
process any MesaJet CoMat that MesaJet may desire to send on MesaJet aircraft.

         (d) MesaJet personnel will comply with US Airways' applicable
instructions and procedures with respect to CoMat packages tendered to US
Airways pursuant to this Agreement.

4.5      Terms of Transportation, Sales and Promotion

         (a) US Airways' Terms of Transportation, with certain exceptions listed
therein, including procedures with respect to schedule change and passenger

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       10
<PAGE>   11
reaccommodation procedures, will be applicable to services provided by MesaJet
pursuant to this Agreement. Such Terms of Transportation will at all times be
available for public inspection at MesaJet's corporate offices and at each
airport ticket counter and sales office maintained and operated by US Airways in
connection with the Services provided under this Agreement.

         (b) All tickets issued for air passenger transportation, and all bills
of lading, US Airways airbills and invoices issued for U. S. mail and cargo
shipments, provided on the Service offered under this Agreement, will bear the
"US Airways" airline designator code.

         (c) [ * ]

         (d) US Airways will include the scheduled air services provided by
MesaJet pursuant to Article 2 of this Agreement in its public timetables
(including MesaJet's connecting schedules on the same basis as it does its own).
All references in US Airways' public timetables to MesaJet's US Airways Express
services will also contain notations indicating that such scheduled services are
performed by MesaJet as an independent contractor under the appropriate US
Airways Servicemarks and will comply with all regulatory disclosure
requirements.

ARTICLE 5 - COMPENSATION FOR SERVICES

5.1 US Airways and MesaJet have developed a certain cost model, hereinafter
referred to as "the RJ Model", which will be used to determine the Base
Compensation

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                                       11
<PAGE>   12
Rate per ASM to be paid by US Airways for [ * ] pursuant to this Agreement. The
RJ Model assumes, among other things, that MesaJet crews will be positioned at
US Airways' hub cities. The RJ Model is a proprietary model developed by
MesaJet, and [ * ], for any other purpose without the express written consent of
MesaJet.

5.2 The RJ Model consists of several components. [ * ].

5.3 The RJ Model will be maintained by an independent accounting firm mutually
agreed-upon prior to the commencement of the services described in this
Agreement. Such accounting firm will be responsible for overseeing calculations
made pursuant to the RJ Model to ensure the accuracy of payments made by US
Airways to MesaJet for services provided pursuant to this Agreement.

5.4 (a) US Airways will pay MesaJet on the [ * ] an amount based upon the RJ
Model's estimated figures, such amount being referred to as the Base
Compensation Rate per ASM less an amount equal to [ * ]. US Airways will [ * ].
By the end of the

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                                       12
<PAGE>   13
following month, US Airways and MesaJet will [ * ] as discussed in Section 5.2
above. 

         (b) A payment from the [ * ], hereinafter referred to as [ * ] will be
made [ * ] to MesaJet at the end of each calendar quarter beginning in 1998,
upon MesaJet reaching [ * ] and in Exhibit 5.5 (the "Annual Plan Target"). The
determination as to whether MesaJet will receive a [ * ] will be made as
described in Section 5.5(b) below. At the end of the fourth calendar quarter,
(beginning in 1998), the [ * ] made will be reconciled with the [ * ]. Any
appropriate adjustments to the amounts paid for the [ * ] will be made equitably
at that time.

         (c) The parties recognize that payments under the [ * ] may from time
to time [ * ] available in the [ * ]. In that event, US Airways will provide any
additional amounts required to compensate MesaJet for the [ * ] earned pursuant
to Section 5.5(b), below. 

         5.5 (a) [ * ] to which MesaJet is entitled will be determined from 
[ * ] based on criteria set forth in Exhibit 5.5, attached hereto and made a 
part hereof.

         (b) The [ * ] is [ * ] by [ * ] by [ * ]. The formulas for determining
these values is as follows:

    [ * ] = [ * ] 
          [ * ] by [ * ] by [ * ]

    [ * ] = [ * ] by [ * ]

         c) The annual [ * ] is equal to the [ * ] by [ * ] by [ * ] and [ * ]
by [ * ] as [ * ] the [ * ] by [ * ] where:

   [ * ] = [ * ] 
         [ * ] by [ * ] by [ * ]

    [ * ]  =  [ * ] by [ * ]

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                                       13
<PAGE>   14
         (d) MesaJet must earn a minimum of [ * ] points annually under the
Annual Plan Target in order to receive an [ * ]. US Airways will not be
responsible for any payment if the amount calculated under this program is a 
[ * ]. MesaJet will be responsible to refund promptly portions of the [ * ] 
payments if the final [ * ] is less than the accumulated total of [ * ] to 
MesaJet pursuant to this Article 5 and Exhibit 5.5.

         (e) The [ * ] for which MesaJet will receive compensation will [ * ].
The [ * ] for which MesaJet will receive an [ * ] will be equal to a [ * ]. The
[ * ] for which MesaJet will receive an [ * ] will be [ * ]. The [ * ] is [ * ].


5.6 US Airways agrees to grant to MesaJet [ * ] in each appropriate category
under the Annual Plan Target program for any day that a [ * ], and [ * ] is
directly responsible for MesaJet being unable to operate its flights pursuant to
this Agreement. 

5.7 Any disputes between US Airways and MesaJet arising as a result of the
application of the Annual Plan Target program is to be resolved in accordance
with the dispute resolution procedures set forth in Article 14 of this
Agreement. 

5.8 All payments due under this Article will be paid directly to MesaJet, or US
Airways, as the case may be, within [ * ] of the calculation of any payment that
is due under this Agreement.

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       14
<PAGE>   15
ARTICLE 6 - LIABILITY, INDEMNIFICATION AND INSURANCE

Section 6.1 MesaJet is an Independent Contractor

         (a) The employees, agents, and/or independent contractors of MesaJet
engaged in performing any of the services MesaJet is to perform pursuant to this
Agreement will be employees, agents, and independent contractors of MesaJet for
all purposes, and under no circumstances will be deemed to be employees, agents
or independent contractors of US Airways. In its performance under this
Agreement, MesaJet will act, for all purposes, as an independent contractor and
not as an agent for US Airways. US Airways will have no supervisory power or
control over any employees, agents or independent contractors engaged by MesaJet
in connection with its performance hereunder, and all complaints or requested
changes in procedures will, in all events, be transmitted by US Airways to a
designated officer of MesaJet. Nothing contained in this Agreement is intended
to limit or condition MesaJet's control over its operations or the conduct of
its business as an air carrier, and MesaJet and its principals assume all risks
of financial losses which may result from the operation of the air
transportation services to be provided by MesaJet hereunder.

         (b) The employees and agents of US Airways engaged in performing any of
the services US Airways is to perform pursuant to this Agreement will be
employees and agents of US Airways for all purposes, and under no circumstance
will they be deemed to be employees and agents of MesaJet. MesaJet will have no
supervision or control over any such US Airways employees and agents and any
complaint or requested change in procedure will be transmitted by MesaJet to US
Airways' designated representative.

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       15
<PAGE>   16
6.2      Liability and Indemnification

         (a) Each party hereto assumes full responsibility for any and all
liability to its own directors, officers, employees, or agents arising from
injury, or death resulting from or sustained in the performance of its
respective services under this Agreement.

         (b) MesaJet will indemnify, defend, protect, save, and hold harmless US
Airways, its directors, officers, employees, and agents from and against any and
all liabilities, claims, demands, suits, judgments, damages, and losses
(including the costs, fees, and expenses in connection therewith and incident
thereto), brought against US Airways, its directors, officers, employees or
agents by or on behalf of any director, officers, employee, agent or independent
contractor of MesaJet or anyone else claiming through such persons, or by reason
of damage or destruction of property of any such person, or injury to or death
of such person, caused by or arising out of any act or omission of MesaJet
occurring during the term of this Agreement. US Airways will give MesaJet prompt
and timely notice of any claim made or suit instituted against US Airways which
in any way results in indemnification hereunder, and MesaJet will have the right
to compromise or participate in the defense of same to the extent of its own
interest, including the selection of counsel to represent its interest in the
matter.

         (c) Each party, with respect to its own employees, accepts full and
exclusive liability for the payment of worker's compensation and/or employer's
liability insurance premiums with respect to such employees, and for the payment
of all taxes, contributions or other payments for unemployment compensation or
retirement benefits, pensions or annuities now or hereafter imposed upon
employers by the government of the United

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       16
<PAGE>   17
States or by any state or local governmental body with respect to such employees
measured by the wages, salaries, compensation or other remuneration paid to such
employees, or otherwise, and each party further agrees to made such payments and
to make and file all reports and returns, and to do everything necessary to
comply with the laws imposing such taxes, contributions or other payments.

         (d) US Airways will indemnify, defend, protect, save, and hold harmless
MesaJet, its directors, officers, employees, and agents from and against any and
all liabilities, claims, demands, suits, judgments, damages, and losses
(including all costs, fees and expenses in connection therewith or incident
thereto), brought against MesaJet, its directors, officers, employees or agents
by or on behalf of any director, officer, employee, agent or independent
contractor of US Airways or anyone else claiming through such persons, or by
reason of damage or destruction of property of any such person, or injury to or
death of such person, caused by or arising out of any act or omission of US
Airways occurring during the term of this Agreement. MesaJet will give US
Airways prompt and timely notice of any claim made or suit instituted against
MesaJet which in any way results in indemnification hereunder, and US Airways
will have the right to compromise or participate in the defense of same to the
extent of its own interest, including the selection of counsel to represent its
interest in the matter. 

6.3 Insurance Coverage

         (a) MesaJet will, at all times during the effectiveness of this
Agreement, have and maintain in full force and effect, policies of insurance
satisfactory to US Airways, of the types of coverage, and in the minimum amounts
stated below with companies

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       17
<PAGE>   18
satisfactory to US Airways and under terms and conditions satisfactory to US
Airways, including coverage on all Aircraft from which services are to be
provided pursuant to this Agreement. Unless otherwise specified, the minimum
amounts of insurance coverage required under this paragraph will be [ * ] per
occurrence, combined single limit for all coverage required under this
paragraph.

<TABLE>
<CAPTION>
Type of Insurance Coverage                                                       Minimum Amount of Insurance Coverage
- --------------------------                                                            (U.S. Currency-Per Accident)
                                                                                      ----------------------------
<S>                                                                              <C>                                 
1.  Comprehensive Aircraft Liability
      Insurance (including Products
      Liability Insurance)

         a.  Bodily Injury and Personal Injury-Passengers
         b.  Bodily Injury and Personal Injury-Third Parties
         c.  Property Damage

2.  Worker's Compensation Insurance                                              Statutory
      (MesaJet's Employees)

3.  Employer's Liability                                                         [ * ]
     (MesaJet's Employees)

4.  All risk hull insurance on aircraft performing                               [ * ]
     services hereunder
</TABLE>

         (b) The parties hereby agree that from time to time during the life of
this Agreement, US Airways may require MesaJet to have and maintain amounts
different from those set forth in paragraph (a) above, should the circumstances
and conditions of

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                                       18
<PAGE>   19
MesaJet's operations under this Agreement be deemed in US Airways' reasonable
judgment, to require reasonable increases in any or all of the foregoing minimum
insurance coverage.

         (c) MesaJet agrees, in addition, that all policies of insurance which
it maintains pursuant to this Agreement, will:

                  (i)    provide that any waiver of rights of subrogation
                         against other parties by MesaJet will not affect the
                         coverage provided hereunder with respect to US Airways;
                         and

                  (ii)   with respect to the services performed by the parties
                         pursuant to this Agreement, provide that MesaJet's
                         underwriters will waive any and all subrogation rights
                         against US Airways, its directors, officers, agents and
                         employees.

                  (iii)  be duly and properly endorsed to provide that each such
                         policy or policies or any part or parts thereof will
                         not be canceled, terminated, or materially altered,
                         changed or amended by MesaJet's insurance underwriters,
                         until after [ * ] written notice to US Airways which 
                         [ * ] written notice will commence to run from the date
                         such notice is actually received by US Airways.

         (d) With respect to policies of insurance described in subsection
numbered 1 of Section 6.3(a) of this Agreement, MesaJet will provide that such
policies:

                  (i)    endorse US Airways, its directors, officers, agents,
                         and employees as

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                                       19
<PAGE>   20
                         Additional Insureds thereunder;

                  (ii)   constitute primary insurance for such claims and
                         acknowledge that any other insurance policy or policies
                         of US Airways will be secondary or excess insurance;

                  (iii)  cover US Airways' [ * ]

                         including, without limitation, [ * ] of

                         [ * ]; and

                  (iv)   provide a [ * ], and a

                         [ * ]

                         assumed by MesaJet under this Agreement.

         (e) With respect to policies of insurance for coverage described in
subsections 1 and 4 of Section 6.3(a) of this Agreement, a breach of warranty
clause acceptable to US Airways must be provided by MesaJet's insurers.

         (f) All aircraft hull insurance provided pursuant to subsection 4 of
Section 6.3(a) of this Agreement will be provided on [ * ], and, except with the
consent of US Airways, will not be subject to more than the standard market
deductibles, as certified by MesaJet's current broker or other recognized broker
in the event of loss, settled on the basis of a total loss, all losses will be
payable in full.

         (g) In the event that any of MesaJet's insurance policies under this
Agreement are obtained directly from foreign underwriters, US Airways must be
allowed to maintain against such foreign underwriters, a direct action in the
United States upon said insurance policies and to provide for service of process
to an attorney located within the United

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                                       20
<PAGE>   21
States, who maintains an office in Washington, D. C.,  or New York, New York.

         (h) Upon the effective date of this Agreement, and from time to time
thereafter upon request by US Airways, MesaJet will furnish to US Airways
evidence satisfactory to US Airways of the aforesaid insurance coverage and
endorsements, including certificates from its existing broker, satisfactory
evidence to US Airways certifying that the aforesaid insurance policy or
policies with the aforesaid policy limits are duly and properly endorsed as
aforesaid and are in full force and effect. Initially, this evidence will be
provided by certified copies of the policies required hereunder. In the event of
a change of broker by MesaJet, such certificates will be supplied to US Airways
from brokers reasonably satisfactory to US Airways.

         (i) In the event MesaJet fails to maintain in full force and effect any
of the insurance and endorsements described in this Section 6.3, US Airways will
have the right (but not the obligation) to procure and maintain such insurance
or any part thereof. The cost of such insurance will be payable by MesaJet to US
Airways upon demand by US Airways. The procurement of such insurance or any part
thereof by US Airways does not discharge or excuse MesaJet's obligation to
comply with the provisions of this Section. MesaJet agrees not to cancel,
terminate or materially alter, change or amend any of the policies referred to
in this Section until after providing [ * ] advance written notice to US
Airways, of its intent to so cancel, terminate or materially alter, change or
amend said policies or insurance, which [ * ] notice period will commence to run
from the date notice is actually received by US Airways.

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       21
<PAGE>   22
Section 6.4 Cargo Liability Insurance

         US Airways will maintain cargo liability insurance coverage, in types
and amounts required by law, for all air freight transported by MesaJet under a
US Airways airbill on flights operated pursuant to the Services provided by
MesaJet under this Agreement.

ARTICLE 7 - TERM AND TERMINATION

7.1 This Agreement is effective as of the date and year first written above, and
Services provided hereunder will continue, without interruption, for a period of
five (5) years from the implementation date of the first Aircraft, unless it is
terminated on an earlier date pursuant to the provisions of this Article 7. 

7.2 In the event of any change in the statutes and/or regulations governing the
provision of the Services to be provided pursuant to this Agreement that
materially affects the rights and/or obligations presently in force with respect
to the requirement of US Airways or MesaJet, or both, then the parties hereto
will consult within thirty (30) days after any of the occurrences described
herein in order to determine what, if any, changes to this Agreement are
necessary or appropriate to preserve the essence of the Agreement. If the
parties hereto are unable to agree whether any change or changes to this
Agreement are necessary and proper, or as to the terms of such change or
changes, or whether this Agreement should be canceled in light of the
occurrences as described above, and such failure to reach agreement will
continue for a period of thirty (30) days

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                                       22
<PAGE>   23
following the commencement of the consultations provided for by this Section
7.2, then this Agreement may be canceled by either US Airways or MesaJet upon
providing the other party a minimum of ninety (90) days' written notice of such
cancellation. 

7.3 US Airways may terminate this Agreement, for cause, upon not less than
ninety (90) days' written notice to MesaJet, should any of the following
conditions set forth in subparts (a) through (d) of this Section 7.3 occur
during the term of this Agreement. After notice of termination is given, US
Airways will meet with MesaJet for the purpose of resolving the conditions so
occurring. Should such conditions not be corrected within ninety (90) days (or
action taken to begin correcting the problem if correction cannot be completed
within ninety (90) days), or if US Airways and MesaJet do not agree that such
conditions exist, then the termination is effective. If the conditions are
corrected (or all steps to remedy the situation have been or are scheduled to be
implemented as soon as practicable if the correction cannot be completed
reasonably within ninety (90) days', the termination notice shall be deemed
rescinded. The conditions are:

         (a) If MesaJet [ * ] specified in Exhibit 2.2 in the manner required in
Article 2, except as otherwise provided herein; or

         (b) If MesaJet's [ * ] the following standard to cancellations
attributable to [ * ] or [ * ] within MesaJet's normal management control:

             [ * ] for any [ * ] consecutive months, or 
             [ * ] for any [ * ] consecutive months, or

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<PAGE>   24
         (c) If, MesaJet's [ * ] as measured in the Incentive Plan [ * ] either
of the following:

                 [ * ] for any [ * ] consecutive months, or 
                 [ * ] for any [ * ] consecutive months; or

         (d) If MesaJet admits liability or is found liable for safety
infractions (other than routine administrative fines) by the Federal Aviation
Administration which could lead to the suspension or revocation of MesaJet's
operating certificate. 

7.4 US Airways may terminate this Agreement, without cause, at any time
following the third anniversary of the commencement of service of each aircraft
under this Agreement, provided that one hundred eighty (180) days' advance
written notice is given to MesaJet. Termination of this Agreement will not
relieve either party from any obligation or liability accrued hereunder prior to
the time of such termination. In the event of early termination under this
provision, US Airways will pay: a) [ * ] of all [ * ] incurred by MesaJet if
such termination occurs following the third anniversary of this Agreement; and
b) [ * ] of all [ * ] incurred by MesaJet is such termination occurs following
the fourth anniversary of this Agreement. It is understood that any termination
under this provision will be handled on an individual aircraft by aircraft basis
and will be phased so that each aircraft operating under this Agreement will
have been in service for US Airways a minimum of three years at the time it is
terminated from service pursuant to this provision. 

7.5 Upon final termination of this Agreement, each party will, as soon as
practicable, return any and all property of the other party to such other party.

                       " [CONFIDENTIAL PORTION DELETED AND
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<PAGE>   25
ARTICLE 8 - PENALTIES FOR POOR PERFORMANCE

8.1      If MesaJet's [ * ] falls below [ * ] for any [ * ], or [ * ] for any 
[ * ], due to [ * ] attributable to [ * ] within MesaJet's [ * ] control, US
Airways will reduce the payments owed to MesaJet pursuant to Article 5 of this
Agreement by an amount equal to [ * ], and [ * ], respectively, [ * ]. This
penalty may be collected for a [ * ] of [ * ], at which time, US Airways will
elect to either terminate this Agreement pursuant to Section 7.3 or resume
making normal monthly payments to MesaJet under Article 5 of the Agreement. 

8.2      If MesaJet's arrival performance falls below [ * ] as measured in the
Incentive Plan, US Airways will reduce the payments to MesaJet pursuant to
Article 5 of this Agreement by an amount equal to [ * ].

ARTICLE 9 - SERVICE MARK LICENSE FOR SERVICES PROVIDED
            PURSUANT TO THIS AGREEMENT

9.1      Grant of License

         US Airways hereby grants to MesaJet a nonexclusive, nontransferable
license to use such US Airways Servicemarks as US Airways may designate from
time-to-time in connection with the services to be rendered by MesaJet under
this Agreement; provided, however, that at any time during the term of this
Agreement, US Airways may alter, amend or revoke the license hereby granted and
require MesaJet's use of any new or different US Airways Servicemarks in
conjunction with the air transportation services provided hereunder as US
Airways may determine in the exercise of its sole discretion

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       25
<PAGE>   26
and judgment.

9.2 Terms and Conditions Governing Trademark License

         (a) MesaJet hereby acknowledges US Airways' ownership of the US Airways
Servicemarks, further acknowledges the validity of the US Airways Servicemarks,
and agrees that it will not do anything in any way to infringe or abridge US
Airways' rights in its Servicemarks or directly or indirectly to challenge the
validity of the US Airways Servicemarks.

         (b) MesaJet agrees that, in providing the Services contemplated under
this Agreement, it will not advertise or make use of the US Airways Servicemarks
without the prior written approval of US Airways. US Airways will have absolute
discretion to withhold its consent concerning any and all such advertising and
use of the US Airways Servicemarks in advertising by MesaJet. In the event US
Airways approves the use of such US Airways Servicemarks in any advertising,
such advertising will identify US Airways as the owner of such servicemarks, and
conform with any additional requirements specified by US Airways.

         (c) To the extent that MesaJet is licensed to use the US Airways
Servicemarks, they will only be used in conjunction with the services
specifically covered by this Agreement and not in connection with any other
businesses or activities of MesaJet or any other entity.

         (d) Nothing in this Agreement will be construed to give MesaJet the
exclusive right to use the US Airways Servicemarks, or to abridge US Airways'
right to use and/or

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       26
<PAGE>   27
license its Servicemarks, and US Airways hereby reserves the right to continue
use of the US Airways Servicemarks and to license such other uses of said
Servicemarks as US Airways may desire.

         (e) No term or provision of this Agreement will be construed to give
MesaJet the exclusive right to use the US Airways Servicemarks. US Airways
hereby reserves the right to continue use of the US Airways Servicemarks and to
license such other uses of said Servicemarks as US Airways may desire.

         (f) No term or provision of this Agreement will be construed to
preclude the use of the Servicemarks "US Airways Express" or the aircraft
exterior color decor and patterns by other individuals or entities not covered
by this Agreement.

         (g) Upon the cancellation or termination of this Agreement, the license
and use of the US Airways Servicemarks by MesaJet will cease, and such use will
not thereafter occur except as appropriate in any phase-out of service of this
Agreement..

ARTICLE 10 - FORCE MAJEURE

10.1 Notwithstanding anything to the contrary herein contained, it is agreed
that either Party will be relieved of its obligations hereunder in the event and
to the extent that performance hereof is delayed or prevented by any cause
beyond its control and not caused by the Party claiming relief hereunder,
including, without limitation, acts of God, public enemies, war, insurrection,
acts or orders of governmental authorities, fire, flood, explosion, or riots or
the recovery from such cause ("force majeure"), provided, however, that the
foregoing will not apply to the obligations assumed by MesaJet under

                       " [CONFIDENTIAL PORTION DELETED AND
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                                       27
<PAGE>   28
Article 6 of this Agreement.

10.2 MesaJet agrees that where relief is obtained under this provision to make
its best efforts to resume Service. MesaJet further agrees to consult with and
advise US Airways of any anticipated delay or failure, as soon as it becomes
aware of such anticipated delay or failure or the possibility thereof, whether
for force majeure or otherwise, and where applicable, to re-establish applicable
timetables.

ARTICLE 11- NOTICES

11.1 Except where specified elsewhere in this Agreement, any and all notices,
approvals or demands required or permitted to be given by the Parties hereto
will be sufficient if made in writing and sent by certified mail, postage
prepaid, overnight courier or delivered by hand. When sent by mail, such notices
will also be sent by facsimile. Notices to US Airways will be addressed to:

<TABLE>
<CAPTION>
US Airways, Inc.:                                             Mesa Airlines, Inc.:
<S>                                                           <C>
John Selvaggio                                                Gary E. Risley

Vice President- US Airways Express Division                   Chief Legal Officer
US Airways, Inc.                                              Mesa Airlines, Inc.
2345 Crystal Drive                                            2325 East 30th Street
Arlington, Virginia   22227                                   Farmington, New Mexico   87401

Telephone:   (703) 872-7070                                   Telephone:  (505) 326-4402
Facsimile:     (703) 872-7312                                 Facsimile:   (505) 326-4485
</TABLE>

with copies delivered at the same address to the attention of US Airways'
General Counsel, Facsimile: (703) 872-5208.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

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<PAGE>   29
ARTICLE 12- OPTION FOR ADDITIONAL AIRCRAFT

12.1 Commencing on the second anniversary date of the Service provided pursuant
to this Agreement, US Airways may request that MesaJet provide up to twelve (12)
additional aircraft of the type specified in Article 2.2, for the
supplementation of air transportation services to US Airways by MesaJet, such
services to be provided in a manner consistent with the terms of this Agreement.
Such request made pursuant to this provision will be in writing and provided to
MesaJet in accordance with the requirements of Article 11 of this Agreement.


12.2 MesaJet agrees to negotiate in good faith with US Airways concerning the
supplementation of its services as contemplated in Section 12.1, and in a manner
consistent with the terms hereof. MesaJet will advise US Airways within sixty
(60) days of the receipt of notice of its ability to provide such additional
services.

ARTICLE 13 - MISCELLANEOUS

13.1 Entire Agreement. This Agreement constitutes the entire agreement between
the parties hereto unless subsequently amended in writing, executed by duly
authorized representatives of both parties or their respective successors in
interest.

13.2 Headings. Article titles and subheadings contained herein are inserted only
as a matter of convenience and for reference. Such tittles in no way define,
limit, or describe the scope or extent of any provision of this Agreement.

13.3 Severability. If, for any reason, any portion of this Agreement will be
deemed

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       29
<PAGE>   30
unenforceable or determined by a court of competent jurisdiction to be in
violation of or contrary to any applicable statute, regulation, ordinance,
order, or common law doctrine, then that portion will be of no effect.
Nevertheless, the balance of the Agreement will remain in full force and effect
as if such provision were never included. 

13.4 Waiver. Except as otherwise specifically provided in this Agreement, a
waiver by either Party of any breach of any provision of this Agreement, or
either Party's decision not to invoke or enforce any right under this Agreement,
will not be deemed a waiver of any right or subsequent breach, and all
provisions of this Agreement will remain in force. 

13.5 Assignability. The Parties agree that this Agreement and the rights and
obligations established hereunder, may not be assigned, in whole or in part,
without the prior written consent of the other, where such consent will not be
unreasonably withheld, except that US Airways may assign its rights to US
Airways Group, Inc., or any subsidiary of that company, or any successor through
merger, asset sale, operation of law or the like. MesaJet may assign its right
to Mesa Air Group, Inc., or any subsidiary of that company, or any successor
through merger, asset sale, operation of law or the like. 

13.6 Governing Law. This Agreement will be governed by and construed and
enforced in accordance with the laws of the United States and the [ * ], as
though the entire contract were performed in [ * ] and without regard to [ * ]
conflict of laws status. The parties further agree that they consent to the
jurisdiction of the [ * ] or the federal courts located within the [ * ] and
waive any claim of jurisdiction or forum non conveniens.

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       30
<PAGE>   31
13.7 No Franchise. Nothing is this Agreement is intended to imply or confer upon
the arrangements contemplated hereunder, any status as a "franchise" as
recognized under any state law. Accordingly, no franchisor-franchisee
relationship exists between US Airways and MesaJet as a result of this
Agreement. 

13.8 Renewal Negotiations. Not less than one hundred eighty (180) days prior to
the expiration of this Agreement, the parties agree to enter into good faith
negotiations for the extension or renewal of this Agreement upon similar terms
and conditions adjusted based upon past experiences and current conditions. If
the parties cannot reach agreement during such time period, the Agreement shall
terminate without either party having any remaining responsibility with respect
to this provision.

ARTICLE 14 - CONFIDENTIALITY

14.1 The Parties agree that the terms of this agreement will be treated as
confidential and will not be disclosed to third parties without the express
written consent of both parties, or as required by law. In the event of
disclosure required by law, only those portions of this Agreement required to be
disclosed will be released. The disclosing party will make good faith efforts to
minimize the portions to be disclosed and will seek confidential treatment by
the receiving party or agency or any portions disclosed. In the event of one
party being served a subpoena or discovery request, prior to responding to the
subpoena or request, the party served will notify the other party so that the
other party will have an opportunity to contest, it chooses to do so, the
disclosure of the content of

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       31
<PAGE>   32
this Agreement.

14.2 "Confidential Information" means all restricted information having business
value, regardless of the form in which it exists, including, without limitation,
the terms of this Agreement, written documents, oral communications, recordings,
videos, software, databases, business plans, and electronic/magnetic media,
provided to or observed by either party pursuant to this Agreement, including
information owned or provided by either party to the other party, except for
information that is publicly disclosed. Each party agrees that it will maintain
all Confidential Information in confidence and use it solely for purposes of
performance under this Agreement. Such Confidential Information will be
distributed within each party's company only to personnel with a need to know
such information for purposes relating to this Agreement or in compliance with a
court order or statutory or regulatory requirements. In no event will either
Party disclose any Confidential Information to any third parties except
subcontractors and independent consultants and then only if approved by the
Party which owns such Confidential Information in advance of such disclosure.


14.3 Confidential Information does not include information which is or becomes
available to the general public other than as a result of disclosure by the
receiving party or information which was known or independently developed by the
receiving party prior to disclosure, as evidenced by records kept in the
ordinary course of business. 

14.4 MesaJet acknowledges and agrees that any Confidential Information shared or
given to US Airways pursuant to this Agreement may be shared by US Airways on a

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       32
<PAGE>   33
confidential basis with US Airways Group, Inc., and US Airways Affiliates, where
US Airways Affiliates is defined as those other companies that operate under a
US Airways trade name, and subsidiaries of US Airways Group, Inc. 

14.5 US Airways acknowledges and agrees that any Confidential Information shared
or given to MesaJet pursuant to this Agreement may be shared by MesaJet on a
confidential basis with Mesa Air Group, Inc., and MesaJet Affiliates, where
MesaJet Affiliates is defines as those other companies that are subsidiaries of
Mesa Air Group, Inc. 

14.6 Upon the reasonable request of either party, each party will immediately
return to the other party, at its own s expense, all documents of the requesting
party and all copies of such documents in its possession or under the control
either directly or indirectly of its agents. Each party acknowledges and agrees
that the other party will have the right to exercise this right as many times as
it deems necessary throughout the term of this Agreement.

ARTICLE 15 - DISPUTE RESOLUTION

15.1 Any dispute, difference, controversy or claim arising out of or relating to
a significant event that might affect the accumulation of points under Article
5.5 of this Agreement, the breach or non-performance thereof shall first be
attempted to be resolved by US Airways and MesaJet through mutual negotiations,
consultation and discussions for a period of thirty days. 

15.2 In the event that the parties are unable to settle their differences or
disputes which may arise between them under Section 15.1, above, then either
party may submit such

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       33
<PAGE>   34
dispute ("Dispute") for binding arbitration with the following conditions:

         (a)      the proceeding will be held before a panel of three arbitrator
                  where each party will choose one arbitrator and the third will
                  be selected jointly by the two appointed arbitrators and,
                  where such agreement cannot be reached, by appointment of the
                  Administrator of the American Arbitration Association or his
                  or her designee;

         (b)      except as modified by this Article, the Arbitration Rules of
                  the American Arbitration Association will govern the
                  arbitration;

         (c)      the proceeding will be conducted in the Commonwealth of
                  Virginia;

         (d)      the law and common Law of the United States and the
                  Commonwealth of Virginia will be applied without regard to
                  Virginia conflict of laws statutes; 

         (e)      the proceeding will be closed except to the parties, their
                  attorneys, representatives, witnesses and experts, all of whom
                  must agree to maintain the confidentiality of the dispute;

         (f)      the existence, proceeding and resolution of the Dispute will
                  be kept confidential by the parties and will only be disclosed
                  to parties and individuals with a need to know of its
                  existence and who will agree to maintain confidentiality;

         (g)      the arbitration will be binding upon the parties unless
                  mutually agreed otherwise in writing; and

         (h)      each party will be responsible for its own costs and expense
                  incurred as a result of, or in connection with the
                  arbitration, including the costs, fees,

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       34
<PAGE>   35
                  and expenses of its own representatives and designated
                  arbitrator, in the proceeding, except that the costs of the
                  third arbitrator will be shared jointly by the parties.

IN WITNESS WHEREOF, US Airways and MesaJet have caused this Agreement to be
executed by their duly authorized representatives on the day and year first
above written.

US AIRWAYS, INC.                            MESA AIRLINES, INC.

/s/ John N. Selvaggio                       /s/ Larry L. Risley
- -----------------------------               -----------------------------------
By:  John N. Selvaggio                      By:  Larry L. Risley
Title:  Vice President                      Title:  Chairman/CEO
        US Airways Express Division

                       " [CONFIDENTIAL PORTION DELETED AND
                            FILED SEPARATELY WITH THE
                      SECURITIES AND EXCHANGE COMMISSION] "

                                       35

<PAGE>   1

                                                                    EXHIBIT 21.1


                      SUBSIDIARIES OF MESA AIR GROUP, INC.


MESA AIRLINES, INC. - 2325 East 30th Street, Farmington, NM. Mesa Airlines, Inc.
holds the airline operating divisions of Mesa Air Group, Inc.

AIR MIDWEST, INC. - 2203 Air Cargo Road, Wichita, Kansas. Air Midwest, Inc. was
acquired by Mesa Air Group, Inc. on July 12, 1991 and is doing business as US
Airways Express pursuant to a code-sharing agreement with US Airways, Inc.

WESTAIR HOLDING, INC. - 5570 Air Terminal Drive, Fresno, California. WestAir
Holding, Inc. was acquired by Mesa Air Group, Inc. on May 29, 1992 and is the
holding company for WestAir Commuter Airlines, Inc. and Regional Aircraft
Services, Inc.

WESTAIR COMMUTER AIRLINES, INC. - 5570 Air Terminal Drive, Fresno, California.
WestAir Commuter Airlines, Inc. was acquired as a subsidiary of WestAir Holding,
Inc. by Mesa Air Group, Inc. on May 29, 1992 and is doing business as United
Express pursuant to a code-sharing agreement with United Air Lines, Inc.

REGIONAL AIRCRAFT SERVICES, INC. - Reading Municipal Airport, 184 West Apron
Drive, Reading, PA 19605. Regional Aircraft Services, Inc. provides aircraft and
engine maintenance service to Mesa.

FCA, INC. DBA FOUR CORNERS AVIATION, INC. - 1260 West Navajo, Farmington, New
Mexico 87401. Four Corners was acquired in 1992 and is a fixed base operation.

MPD, INC. DBA MESA PILOT DEVELOPMENT - 2325 East 30th Street, Farmington, New
Mexico 87401. Mesa Pilot Development began operations in 1989 and provides
flight training coordination with a community college.

MAGI INSURANCE, LTD. - P. O. Box 1304, Financial Services Centre, Bishop's Court
Hill, St. Michael, Barbados, WI. Magi Insurance, Ltd., is an insurance company
established for the purpose of obtaining favorable insurance rates.

MESA LEASING, INC. - 3753 Howard Hughes Parkway, Suite 200, Las Vegas, Nevada.
Mesa Leasing, Inc. is a Nevada corporation established to aid in the acquisition
and leasing of aircraft.


<PAGE>   1
                                                                    Exhibit 23.1



                         INDEPENDENT AUDITORS' CONSENT


The Board of Directors
Mesa Air Group, Inc.:

We consent to incorporation by reference in the Registration Statements (Nos.
33-15495, 33-09395 and 33-02791) on Form S-8 of Mesa Air Group, Inc. of our
report dated December 12, 1997 and January 10, 1998, relating to the
consolidated balance sheets of Mesa Air Group, Inc. and subsidiaries as of
September 30, 1997 and 1996, and the related consolidated statements of
operations, cash flows and stockholders' equity for each of the years in the
three-year period ended September 30, 1997, which report appears in the
September 30, 1997 annual report on Form 10-K of Mesa Air Group, Inc.


Phoenix, Arizona
January 12, 1998

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