COMAIR HOLDINGS INC
10-Q, 1998-11-16
AIR TRANSPORTATION, SCHEDULED
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<PAGE>   1





                                    FORM 10-Q

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                ( X ) QUARTERLY REPORT UNDER SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                For the quarterly period ended September 30, 1998

                                       OR

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

          For the transition period from _____________ to ____________

Commission file number 0-18653

                              COMAIR HOLDINGS, INC.
                              ---------------------

Incorporated under the laws of Kentucky                       31-1243613
                                                        (I.R.S. Employer ID No.)


                                 P.O. Box 75021
                             Cincinnati, Ohio 45275
                                 (606) 767-2550


Indicate by a check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) or 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 the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date.

          Class                               Outstanding at November 11, 1998
          -----                               --------------------------------
  Common stock, no par value                             65,270,777




                                     Page 1
<PAGE>   2



                              COMAIR HOLDINGS, INC.

                                      INDEX

                                                                       PAGE NOS.
PART I.   Financial Information -

 Consolidated Balance Sheets as of September 30, 1998 and March 31, 1998 ...3-4

 Consolidated Statements of Income -
     Three months ended September 30, 1998 and 1997 ........................ 5

Consolidated Statements of Income -
     Six months ended September 30, 1998 and 1997 .......................... 6

Consolidated Statements of Cash Flows -
     Six months ended September 30, 1998 and 1997 .......................... 7

Consolidated Statement of Shareholders' Equity
     Six months ended September 30, 1998 ................................... 8

Notes to Consolidated Financial Statements ................................9-11

Management's Discussion and Analysis of Financial
     Condition and Results of Operations .................................12-18


PART II. Other Information -

 Item 1. Legal Proceedings ................................................. 18

 Item 4. Submission of Matters to a Vote of Security Holders .............18-19

 Item 5. Other Events ...................................................... 19

 Item 6. Exhibits and Reports on Form 8-K. ...............................19-20

SIGNATURE ...................................................................21



                                     Page 2
<PAGE>   3



                          PART I. FINANCIAL INFORMATION

                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                           CONSOLIDATED BALANCE SHEETS
                           ---------------------------

             AS OF SEPTEMBER 30, 1998 AND MARCH 31, 1998(UNAUDITED)
             ------------------------------------------------------


<TABLE>
<CAPTION>

ASSETS                                         SEPT 30, 1998      MARCH 31, 1998
- ------                                         -------------      --------------


<S>                                             <C>                 <C>         
Current assets:
   Cash and cash equivalents                    $178,595,334        $156,214,247
   Marketable securities
      available-for-sale                          71,528,263          61,423,198
   Interest bearing deposits                      30,000,000          30,000,000
                                                ------------        ------------
                                                $280,123,597        $247,637,445

   Accounts receivable                            18,131,908          12,624,127
   Inventory of expendable parts                  19,778,569          19,478,981
   Future tax benefits                            14,108,532          13,436,538
   Prepaid expenses                                9,188,208          15,132,842
                                                ------------        ------------

         Total current assets                   $341,330,814        $308,309,933
                                                ------------        ------------

Property and equipment, at cost:
   Flight equipment                             $401,647,692        $403,487,347
   Maintenance, operations and
      office facilities                           10,292,723          10,292,723
   Other property and equipment                   49,813,372          47,777,606
                                                ------------        ------------

                                                $461,753,787        $461,557,676
   Less accumulated depreciation and
      amortization                               128,128,140         117,685,617
   Less reserve for engine overhauls and
      purchase incentives                         16,755,089          16,582,458
                                                ------------        ------------

                                                $316,870,558        $327,289,601

Construction in progress                           1,037,817             147,776
Advance payments and deposits
   for aircraft                                   24,181,262          24,187,396
                                                ------------        ------------

         Net property and equipment             $342,089,637        $351,624,773
                                                ------------        ------------

Other assets and deferred costs                 $ 11,787,486        $  9,802,095
                                                ------------        ------------

    Total assets                                $695,207,937        $669,736,801
                                                ============        ============
</TABLE>



                                     Page 3
<PAGE>   4



                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                           CONSOLIDATED BALANCE SHEETS
                           ---------------------------

             AS OF SEPTEMBER 30, 1998 AND MARCH 31, 1998 (UNAUDITED)
             -------------------------------------------------------

<TABLE>
<CAPTION>

LIABILITIES AND SHAREHOLDERS' EQUITY           SEPT 30,1998       MARCH 31,1998
- ------------------------------------           ------------       -------------
<S>                                            <C>                 <C>         
Current liabilities:
   Current installments of long-term
      obligations                              $ 13,729,817        $ 13,435,345
   Accounts payable                              36,898,724          39,158,243
   Interline payable and deferred revenue         5,417,495           6,322,647
   Accrued lease expense                         22,059,487          22,732,440
   Accrued wages                                  9,947,034           6,953,710
   Accrued expenses                              16,834,367          15,604,000
   Accrued taxes                                  9,823,465          15,645,510
                                               ------------        ------------
         Total current liabilities             $114,710,389        $119,851,895

Long-term obligations                          $107,372,575        $114,312,516
                                               ------------        ------------

Deferred income taxes                          $ 72,078,560        $ 63,598,648
                                               ------------        ------------

Other liabilities and deferred credits         $ 12,045,495        $ 10,127,901
                                               ------------        ------------

Shareholders' equity:
   Common stock, no par value,
      100,000,000 shares authorized,
      65,425,714 and 66,658,127 issued
      and outstanding, respectively            $  5,552,955        $ 42,072,045
   Preferred stock, no par value,
      1,000,000 shares authorized, none
      issued or outstanding                            -                   - 
   Net unrealized gain on marketable
      securities available-for-sale                 341,458             263,576
   Retained earnings                            383,106,505         319,510,220
                                               ------------        ------------

         Total shareholders' equity            $389,000,918        $361,845,841
                                               ------------        ------------

 Total liabilities and shareholders' equity    $695,207,937        $669,736,801
                                               ============        ============
</TABLE>



                                     Page 4
<PAGE>   5



                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                        CONSOLIDATED STATEMENTS OF INCOME
                        ---------------------------------

       FOR THE THREE MONTHS ENDED SEPTEMBER 30, 1998 AND 1997 (UNAUDITED)
       ------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                  1998                 1997
                                              -------------       -------------
<S>                                           <C>                 <C>          
OPERATING REVENUES:
  Passenger                                   $ 185,722,038       $ 155,871,181
  Cargo and other                                 1,402,339           1,319,642
  Non-airline operations                          7,887,814           5,679,915
                                              -------------       -------------
    Total operating revenues                  $ 195,012,191       $ 162,870,738
                                              -------------       -------------

OPERATING EXPENSES:
  Salaries and related costs                  $  35,986,559       $  28,788,245
  Aircraft fuel                                  13,071,390          13,775,404
  Maintenance materials and repairs              15,509,865          13,567,773
  Aircraft rent                                  20,752,254          18,717,067
  Other rent and landing fees                     6,765,228           5,220,117
  Passenger commissions                          13,282,111          12,276,812
  Other operating expenses                       23,803,186          19,839,737
  Depreciation and amortization                   7,405,544           7,557,841
  Non-airline direct costs                        5,522,300           3,907,337
                                              -------------       -------------
    Total operating expenses                  $ 142,098,437       $ 123,650,333
                                              -------------       -------------
    Operating income                          $  52,913,754       $  39,220,405
                                              -------------       -------------

NONOPERATING INCOME (EXPENSE):
  Investment income                           $   3,991,829       $   2,605,139
  Interest expense                               (1,804,484)
                                                                  -------------
                                                                     (2,229,019)
    Total nonoperating income, net            $   2,187,345       $     376,120
                                              -------------       -------------

    Income before income taxes                $  55,101,099       $  39,596,525

Income taxes                                     20,510,000          15,051,000
                                              -------------       -------------

    Net income                                $  34,591,099       $  24,545,525
                                              =============       =============

Weighted average number
   of shares outstanding - Basic (Note 3)        66,177,341          66,809,227
                                              =============       =============
Net income per share - Basic (Note 3)         $         .52       $         .37
                                              =============       =============

Weighted average number
   of shares outstanding - Diluted (Note 3)      67,118,360          67,481,241
                                              =============       =============
Net income per share - Diluted (Note 3)       $         .52       $         .36
                                              =============       =============

Dividends paid per share                      $       0.040       $       0.040
                                              =============       =============
</TABLE>



                                     Page 5
<PAGE>   6



                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                        CONSOLIDATED STATEMENTS OF INCOME
                        ---------------------------------

        FOR THE SIX MONTHS ENDED SEPTEMBER 30, 1998 AND 1997 (UNAUDITED)
        ----------------------------------------------------------------

<TABLE>
<CAPTION>

                                                        1998                  1997
                                                   -------------         -------------
<S>                                                <C>                   <C>          
OPERATING REVENUES:
  Passenger                                        $ 363,812,073         $ 307,955,380
  Cargo and other                                      2,682,180             2,430,973
  Non-airline operations                              16,430,131            11,526,127
                                                   -------------         -------------
    Total operating revenues                       $ 382,924,384         $ 321,912,480
                                                   -------------         -------------

OPERATING EXPENSES:
  Salaries and related costs                       $  68,991,271         $  55,534,348
  Aircraft fuel                                       25,666,735            27,480,858
  Maintenance materials and repairs                   29,246,948            25,139,889
  Aircraft rent                                       40,742,529            36,824,688
  Other rent and landing fees                         12,747,786            10,784,178
  Passenger commissions                               26,326,372            24,487,171
  Other operating expenses                            46,365,877            39,792,083
  Depreciation and amortization                       14,920,500            14,772,113
  Non-airline direct costs                            11,121,921             7,768,872
                                                   -------------         -------------
    Total operating expenses                       $ 276,129,939         $ 242,584,200
                                                   -------------         -------------
    Operating income                               $ 106,794,445         $  79,328,280
                                                   -------------         -------------

NONOPERATING INCOME (EXPENSE):
  Investment income                                $   7,346,296         $   4,922,546
  Interest expense                                    (3,644,016)           (4,022,292)
                                                   -------------         -------------
    Total nonoperating income, net                 $   3,702,280         $     900,254
                                                   -------------         -------------

    Income before income taxes                     $ 110,496,725         $  80,228,534

Income taxes                                          41,571,000            30,476,000
                                                   -------------         -------------

    Net income                                     $  68,925,725         $  49,752,534
                                                   =============         =============

Weighted average number
   of shares outstanding - Basic (Note 3)             66,385,581            66,803,520
                                                   =============         =============
Net income per share - Basic (Note 3)              $        1.04         $         .74
                                                   =============         =============

Weighted average number
   of shares outstanding - Diluted (Note 3)           67,284,301            68,735,791
                                                   =============         =============
Net income per share - Diluted (Note 3)            $        1.02         $         .72
                                                   =============         =============

Dividends paid per share                           $       0.080         $       0.080
                                                   =============         =============
</TABLE>




                                     Page 6
<PAGE>   7


                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                      -------------------------------------

        FOR THE SIX MONTHS ENDED SEPTEMBER 30, 1998 AND 1997 (UNAUDITED)
        ----------------------------------------------------------------

<TABLE>
<CAPTION>

                                                               1998               1997
                                                               ----               ----
<S>                                                     <C>                   <C>          
Cash Flows From Operating Activities:
Net income                                              $  68,925,725         $  49,749,284
   Adjustments to reconcile net income to
     net cash provided by operating activities:
   Depreciation and amortization                           14,920,500            14,772,114
   Amortization and accrual of overhaul expenses            6,819,101             6,958,086
   Deferred income tax provision                            7,807,919             5,242,070
   Other, net                                                 531,032              (691,758)
   Changes in operating assets and liabilities:
   Decrease (increase) in accounts receivable              (5,507,781)            6,383,227
   Decrease (increase) in inventory of
     expendable parts                                        (299,588)              363,140
   Decrease (increase) in other current assets              5,944,634             4,983,620
   Increase (decrease) in accounts payable                 (2,259,519)           (6,461,736)
   Increase (decrease) in other current
     liabilities                                           (3,176,459)           10,436,151
                                                        -------------         -------------
     Net cash provided by operating activities          $  93,705,564         $  91,734,198
                                                        -------------         -------------

Cash Flows From Investing Activities:
   Additions to property and equipment                  $ (12,392,505)        $ (23,027,141)
   Interest bearing investments                                   -             (30,000,000)
   Purchases and maturities of marketable
     securities, net                                      (20,396,746)          (10,091,609)
   Proceeds from sale of marketable securities             10,369,563            10,354,574
   Deferred costs                                             (73,530)             (614,356)
   Other, net                                                (337,260)           (1,078,744)
                                                        -------------         -------------
     Net cash used in investing activities              $ (22,830,478)        $ (54,457,276)
                                                        -------------         -------------

Cash Flows From Financing Activities:
   Issuance of common stock                             $     261,526         $     709,440
   Repurchase of common stock                             (36,780,616)             (986,250)
   Payments of cash dividends and
     repurchase of fractional shares                       (5,329,440)           (5,343,822)
   Repayments of long-term obligations                     (6,645,469)           (6,584,697)
                                                        -------------         -------------
     Net cash used in financing activities              $ (48,493,999)        $ (12,205,329)
                                                        -------------         -------------

Net increase in cash and cash
   equivalents                                          $  22,381,087         $  25,071,593
                                                        -------------         -------------
Cash and cash equivalents at
   beginning of period                                  $ 156,214,247         $ 122,604,792
                                                        -------------         -------------
Cash and cash equivalents at end of period              $ 178,595,334         $ 147,676,385
                                                        =============         =============
Cash paid during the period for interest                $   4,132,512         $   4,348,002
                                                        =============         =============
Cash paid during the period for income taxes            $  42,093,867         $  19,220,418
                                                        =============         =============
</TABLE>



                                     Page 7
<PAGE>   8



                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES
                     --------------------------------------

                 CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY
                 ----------------------------------------------

                   FOR THE SIX MONTHS ENDED SEPTEMBER 30, 1998
                   -------------------------------------------


<TABLE>
<CAPTION>
                                    Number of                                     Accumulated
                                     Shares                                          Other
                                   Issued and      Comprehensive    Common        Comprehensive    Retained
                                   Outstanding        Income         Stock        Income(Loss)     Earnings           Total
                                    ----------     -----------    ------------     ---------     -------------     -------------

<S>                                 <C>            <C>            <C>              <C>           <C>               <C>          
Balance, March 31, 1998             66,658,127             -      $ 42,072,045     $ 263,576     $ 319,510,220     $ 361,845,841
                                    ----------     -----------    ------------     ---------     -------------     -------------

Repurchase of common shares         (1,270,000)            -       (36,780,616)          -                 -         (36,780,616)
Exercise of stock options
($6.74- $15.805 per share)              37,587             -           261,526           -                 -             261,526
Dividends ($.040 per share)                -                               -             -          (5,329,440)       (5,329,440)
Comprehensive Income:
      Net Income                                   $68,925,725                           -          68,925,725        68,925,725
                                                   -----------
      Other Comprehensive Income,
      net of tax:
      Net unrealized gain on
        marketable securities
        available-for-sale                 -            77,882             -          77,882               -              77,882
                                                        ------
Comprehensive Income                       -       $69,003,607             -             -
                                    ----------     -----------    ------------     ---------     -------------     -------------


Balance, September 30, 1998         65,425,714                    $  5,552,955     $ 341,458     $ 383,106,505     $ 389,000,918
                                    ==========                    ============     =========     =============     =============
</TABLE>











                                     Page 8
<PAGE>   9



COMAIR HOLDINGS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


The consolidated financial statements included herein have been prepared by the
Company, without audit, pursuant to the rules and regulations of the Securities
and Exchange Commission. These statements reflect all adjustments which are, in
the opinion of management, necessary for a fair presentation of the results for
the interim periods presented. Certain information in footnote disclosures
normally included in financial statements prepared in accordance with generally
accepted accounting principles has been condensed or omitted pursuant to such
rules and regulations, although the Company believes that the following
disclosures are adequate to make the information presented not misleading. It is
suggested that these consolidated financial statements be read in conjunction
with the financial statements and the notes thereto included in the Company's
latest annual report on Form 10-K.

NOTE 1:  The accounts of Comair Holdings, Inc. and its wholly-owned
         subsidiaries (the Company) have been consolidated in the accompanying
         financial statements. Upon consolidation, all material intercompany
         accounts, transactions and profits have been eliminated. The Company
         considers the transportation of passengers and freight in scheduled
         airline service by its major subsidiary, COMAIR, Inc., to be its
         predominant industry segment. The Company's stock is traded in the
         Nasdaq/National Market System under the symbol COMR.

NOTE 2:  Results of operations for the interim periods are not
         necessarily indicative of results to be expected for the year.

NOTE 3:  In the third quarter of fiscal 1998, the Company adopted Financial
         Accounting Standards Board Statement No. 128 (SFAS No. 128), "Earnings
         Per Share", which replaces the presentation of primary earnings per
         share with a presentation of basic earnings per share. It also requires
         dual presentation of basic and diluted earnings per share on the face
         of the income statement for all entities with complex capital
         structures and requires a reconciliation of both the numerator and
         denominator of the basic earnings per share computation for the same
         components in the diluted earnings per share computation. The following
         table shows the amounts used in computing earnings per share and the
         effect on income and the weighted average number of shares for the
         three and six months ending September 30, 1998 and 1997 of dilutive
         potential common stock.









                                     Page 9
<PAGE>   10








COMAIR HOLDINGS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued)


<TABLE>
<CAPTION>

                                       2nd Quarter     2nd Quarter    Year-to-Date    Year-to-Date
                                          1999            1998             1999            1998
                                       -----------     -----------     -----------     -----------
<S>                                    <C>             <C>             <C>             <C>        
Numerator:
 Net Income                            $34,591,099     $24,545,525     $68,925,725     $49,752,534
                                       -----------     -----------     -----------     -----------

Denominator:
 For Earnings Per Share - Basic:
    Weighted Average Shares
    Outstanding - Basic                 66,177,341      66,809,227      66,385,581      66,803,520

Effect of Dilutive Securities:
  Stock Options                            941,019         672,014         898,720         477,002

 For Earnings Per Share - Diluted:
    Weighted Average Shares
    Outstanding - Diluted               67,118,360      67,481,241      67,284,301      67,280,522
                                       -----------     -----------     -----------     -----------

Earnings Per Share - Basic             $       .52     $       .37     $      1.04     $       .74
                                       -----------     -----------     -----------     -----------

Earnings Per Share - Diluted           $       .52     $       .36     $      1.02     $       .74
                                       -----------     -----------     -----------     -----------
</TABLE>


NOTE 4:  In the first quarter of fiscal 1998, the Company adopted Financial
         Accounting Standards Board Statement No. 130 (SFAS No. 130), "Reporting
         Comprehensive Income", which requires that comprehensive income and the
         associated income tax expense or benefit be reported in a financial
         statement with the same prominence as other financial statements with
         an aggregate amount of comprehensive income reported in that same
         financial statement. SFAS No. 130 permits a statement of financial
         position, a statement of changes in shareholders' equity, or notes to
         the financial statements to be used to meet this requirement. "Other
         Comprehensive Income" refers to revenues, expenses, gains and losses
         that under GAAP are included in comprehensive income but bypass net
         income. The Company has chosen to disclose comprehensive income, which
         encompasses net income and unrealized gains or losses of marketable
         securities available for sale, in the Consolidated Statement of
         Shareholders' Equity. Prior years have been restated to conform to SFAS
         No. 130 requirements.

         Total comprehensive income for the six month period ending September
         30, 1997 is as follows.

<TABLE>

<S>                                                                 <C>        
                  Net Income                                        $49,749,284

                  Other comprehensive income, net of tax:
                           Net unrealized gain on marketable
                            securities available-for-sale               287,594

                            Comprehensive income                    $50,036,878
</TABLE>


                                    Page 10
<PAGE>   11



COMAIR HOLDINGS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued)


NOTE 5:  In July 1997, the Financial Accounting Standards Board issued Statement
         No. 131 (SFAS No. 131), "Disclosures About Segments of an Enterprise
         and Related Information" which requires disclosures for each segment in
         which the chief operating decision maker organizes these segments
         within a company for making operating decisions and assessing
         performance. Reportable segments are based on products and services,
         geography, legal structure, management structure and any manner in
         which management disaggregates a company. The Company has adopted SFAS
         No. 131 in fiscal 1999 and will comply with the disclosure requirements
         in its fiscal 1999 annual report and all interim and annual reports
         thereafter. Because this statement only impacts how financial
         information is disclosed in interim and annual reports, the adoption
         will have no impact on the Company's financial condition or results of
         operations.





                                    Page 11
<PAGE>   12



COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS

RESULTS OF OPERATIONS
- ---------------------

         COMAIR, Inc. (COMAIR) is the principal subsidiary of Comair Holdings,
Inc. (with its subsidiaries, the Company), accounting for 95% of the first
quarter operating revenues and expenses. Although the following discussion and
analysis entails various aspects of the Company's financial performance, many of
the factors that affect year to year comparisons relate solely to COMAIR.

         Inflation and changing prices have not had a material adverse effect on
COMAIR's operations because revenues and expenses generally reflect current
price levels. COMAIR's market area, strong financial position and focus on
continuously improving operating performance have helped lessen the effect on
the Company of price competition and resulting low fares when compared to many
others in the airline industry. However, changes in the pricing strategies and
increased competition from other airlines could impact COMAIR's ability to
recoup future cost increases through higher fares.

         COMAIR operates as a "Delta Connection" carrier under a ten-year
marketing agreement with Delta Air Lines, Inc. dated and effective in October of
1989. The agreement may be terminated by either party on not less than one
hundred eighty (180) days' advance written notice. Delta owns approximately 21%
of the Company's outstanding common stock, leases reservation equipment and
terminal facilities to COMAIR, and provides certain services to COMAIR including
reservations and passenger and aircraft handling services. Approximately 47% of
COMAIR's passengers in the second quarter of fiscal 1999 connected to Delta. The
Company has historically benefited from its relationship with Delta. However,
the Company's results of operations and financial condition could be adversely
impacted by Delta's decisions regarding routes and other operational matters, as
well as, any material interruption or modifications in this arrangement.

         For the second quarter of fiscal 1999, the Company reported record
second quarter operating revenues, operating income, net income and passenger
enplanements. Operating revenues for the second quarter increased to $195.0
million, up 20% from the $162.9 million reported in the second quarter of fiscal
1998.

         Operating income, net income and net income per diluted share for the
second quarter of fiscal 1999 all increased when compared with the results
reported in the second quarter of fiscal 1998. Operating income for the quarter
rose 35% to $52.9 million from $39.2 million. Net income increased 41% to $34.6
million from $24.5 million, while diluted earnings per share increased 44% to
$.52 per share from $.36 per share.

         The increase in earnings is largely the result of increased passenger
enplanements which has translated into higher load factors. Passenger
enplanements grew 18% over last year's second quarter levels while load factors
exceeded last year's by approximately 3 percentage points. The growth in
passengers and load factors is clear evidence of our continuing success
throughout our system as we continue to upgrade turboprops to jets and add new
jet service, particularly in our Cincinnati hub where more than 80% of COMAIR's
operations exist. COMAIR did receive additional passengers from the Northwest
and Air Canada strikes, however, this benefit was offset somewhat by the
hurricane which affected a portion of our route structure during the last week
of September.



                                    Page 12
<PAGE>   13



COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


         Revenue passenger miles (RPMs) grew 19%. Capacity, available seat miles
(ASMs), grew 13% as we continue to replace turboprop aircraft and add new jet
service. During the second quarter we replaced one turboprop with jet equipment
and added new jet service to Houston, Texas and Green Bay, Wisconsin from
Cincinnati. Currently, more than 85% of COMAIR's capacity is generated by jet
aircraft.

                          CAPACITY AND TRAFFIC ANALYSIS

<TABLE>
<CAPTION>
                                                  QUARTER ENDED
                                              9/30/98           9/30/97
                                              -------           -------

<S>                                          <C>               <C>      
                  Passengers                 1,654,670         1,397,144
                  ASMs (000s)                  856,522           754,966
                  RPMs (000s)                  562,618           471,169
                  Load factor                     65.7%             62.4%
                  Breakeven load factor           48.2%             48.1%
                  Yield (cents)                   33.0              33.1
                  Cost per ASM (cents)            15.8              15.7
</TABLE>

     The following tables show the expense categories for COMAIR for the second
quarter of the last two fiscal years.


                               EXPENSE CATEGORIES

<TABLE>
<CAPTION>
                                 QTR Ended        Cents    QTR Ended      Cents
                                  9/30/98        per ASM    9/30/97      Per ASM
                                  -------        -------    -------      -------

<S>                            <C>                 <C>   <C>                 <C>
Salaries and Related Costs     $ 35,986,559        4.2   $ 28,788,245        3.8
Aircraft Fuel                    13,071,390        1.5     13,775,404        1.8
Maintenance Materials
   and Repairs                   15,509,865        1.8     13,567,773        1.8
Aircraft Rent                    20,752,254        2.4     18,717,067        2.5
Other Rent and Landing
   Fees                           6,765,228        0.8      5,220,117        0.7
Passenger Commissions            13,282,111        1.6     12,276,812        1.6
Other Operating Expenses         23,739,125        2.8     19,781,614        2.6
Depreciation and
   Amortization                   6,413,741        0.7      6,631,421        0.9
                               ------------     ------   ------------     ------
                               $135,520,273       15.8   $118,758,453       15.7
                               ============     ======   ============     ======
</TABLE>



                                    Page 13
<PAGE>   14


COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


                               EXPENSE CATEGORIES

<TABLE>
<CAPTION>

                                6 Mo. Ended       Cents   6 Mo. Ended     Cents
                                  9/30/98        per ASM    9/30/97      Per ASM
                                  -------        -------    -------      -------
Per ASM

<S>                            <C>                 <C>   <C>                 <C>
Salaries and Related Costs     $ 68,991,271        4.2   $ 55,534,348        3.7
Aircraft Fuel                    25,666,735        1.5     27,480,858        1.8
Maintenance Materials
   and Repairs                   29,246,948        1.8     25,139,889        1.7
Aircraft Rent                    40,742,529        2.4     36,824,687        2.5
Other Rent and Landing
   Fees                          12,747,786        0.8     10,784,178        0.7
Passenger Commissions            26,326,372        1.6     24,487,171        1.6
Other Operating Expenses         46,245,991        2.8     39,698,542        2.6
Depreciation and
   Amortization                  12,992,836        0.8     13,062,483        0.9
                               ------------     ------   ------------     ------
                               $262,960,468       15.9   $233,012,156       15.5
                               ============     ======   ============     ======
</TABLE>



     Salaries and related costs have risen from the second quarter of last year.
This increase has two main components. The Company hired additional personnel to
enhance operating effectiveness and service the growing passenger base. The
average number of employees increased 20% over last year's second quarter
levels. Finally, in the first quarter of fiscal 1999, the Company implemented a
wage increase that impacted approximately 60% of the workforce in order to keep
us proactive in our efforts to attract and retain the best people in our
industry and to recognize the service of our employees.

     Aircraft fuel expense decreased in total and on a unit cost basis. Aircraft
fuel price per gallon, including taxes and into-plane fees, for the second
quarter of fiscal 1999 decreased 20% to 56.4 cents from 70.2 cents a year ago.
The benefit from the lower fuel prices was partially offset by an 18% increase
in consumption.

     Maintenance material and repair costs remained the same as last year on a
unit cost basis. Total spending for maintenance increased as we incurred higher
maintenance costs due to warranty periods expiring on certain jet aircraft and
higher costs of scheduled repairs on certain components.

     Aircraft rent expense increased in total but decreased on a unit cost
basis. The decrease in unit cost was generated by a year over year increase in
aircraft utilization. Aircraft utilization was aided by the addition of new
daily jet service to Houston, Texas and Green Bay, Wisconsin and weekend service
to Nassau, Bahamas from Cincinnati during the second quarter. Aircraft rent
expense for the Canadair Jets was also lower as a result of lower interest
rates. Since October 1997, COMAIR has acquired fourteen Canadair Jets through
operating leases.


                                    Page 14
<PAGE>   15


COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


         Other rent and landing fees increased in total and on a unit cost basis
due to higher facilities rental and landing fees resulting from the addition of
the larger Canadair Jets.

         Travel agency and credit card commissions have increased as a result of
a 19% increase in passenger revenues. This increase was offset in part by a
change in COMAIR's commission structure beginning in September 1997 which
reduced commissions from 10% to 8% on tickets purchased in the U.S. and Canada.
Although unit revenues (revenue per available seat mile) were higher in the
second quarter of fiscal 1999, commission cost per available seat mile (ASM)
remained the same as result of this new commission structure which lowered the
weighted average domestic commission rates. Commissions as a percentage of
passenger revenues were 7.2% this quarter and 7.9% last year.

         Other operating expenses (the principle components of which include
passenger reservation fees, aircraft and passenger handling, crew training, crew
accommodations and per diem expense, property taxes, advertising expenses and
insurance expense) increased in total and on a unit cost basis. The increase was
due primarily to higher passenger reservation fees associated with the increase
in passenger enplanements.

         Depreciation and amortization decreased on a unit cost basis. The
decrease in unit cost is due to the additional capacity generated by the
fourteen Canadair Jets acquired through operating leases since October 1997.

         Investment income in the second quarter of fiscal 1999 was higher than
second quarter of fiscal 1998 due to higher average cash balances available for
investment.

         The Company's effective tax rate, which includes federal, state and
local taxes, approximated the statutory rate in the second quarter of fiscal
1999 and 1998.

LIQUIDITY AND CAPITAL RESOURCES
- -------------------------------

              In the first six months of fiscal 1999, the Company generated cash
from operating activities of $93.7 million. Total working capital increased to
$226.6 million from $188.5 million at March 31, 1998, while the current ratio
increased to 2.98 from 2.57. The Company repaid long-term obligations of $6.6
million and paid cash dividends of $5.3 million. The Company's long-term debt to
equity position was 22% debt, 78% equity at September 30, 1998, as compared to
24% debt, 76% equity at March 31, 1998. During the first six months, the Company
had net property and equipment additions of $12.4 million. These additions were
financed with working capital. In fiscal 1999, additional capital for repayment
of long-term obligations, planned dividend payments and other capital
expenditures are expected to be provided by operations.

         In fiscal 1995, the Board of Directors authorized the Company to
repurchase up to 13.8 million shares of common stock from time to time as market
conditions dictate. As of September 30, 1998, the Company had repurchased 8.6
million shares of this authorization at a cost of $88.6 million. During the
first six months of fiscal 1999 the Company has repurchased 1.3 million shares
at a approximate cost of $36.8 million. The Company has repurchased an
additional 160,000 shares at a cost of approximately $5.0 million from October 1
to November 11, 1998.



                                    Page 15
<PAGE>   16

COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


         COMAIR has taken delivery of eight new generation, 50-passenger
Canadair Jet aircraft during the first six months of fiscal 1999 bringing the
total Canadair Jet fleet to 67. For 20 of these aircraft, the manufacturer
agreed to arrange the lease financing, including the right to return the
aircraft after seven years with no cost to COMAIR other than normal and
customary return provisions related to the condition of the aircraft. Ten
aircraft were financed with debt, one was acquired with working capital, while
the other 36 aircraft were financed through operating leases with terms of up to
16.5 years.

         As of September 30, 1998, COMAIR had scheduled delivery positions for
13 Canadair Jets to be delivered through fiscal 2000, all of which are from our
previous firm order of 80 aircraft. The aggregate cost of these aircraft,
including support equipment and estimated escalation, is expected to be
approximately $236 million. On October 1, 1998, COMAIR signed a 10-year
agreement with Bombardier Aerospace of Canada to acquire 50 additional jets
including 20 of their new 70-passenger jets and 30, 50-passenger jets. This firm
order of 50 jets, including estimated escalation costs and related support
equipment, is valued at more than $1 billion. COMAIR will receive its 80th jet
in August 1999 and will continue to accept delivery of at least one 50-passenger
aircraft each month through February of 2001. COMAIR will take delivery of its
first 70-passenger jet at the end of calendar 2001. In addition to this firm
order, COMAIR has options for 115 additional aircraft, valued at $2.8 billion,
including support equipment and estimated escalation, which could be available
for delivery in 2001 through 2007.

         COMAIR expects to finance the aircraft described above through a
combination of working capital and lease, equity and debt financing, utilizing
manufacturers' assistance and government guarantees to the extent available.
COMAIR believes that financing will be available at acceptable rates. If COMAIR
is unable to obtain acceptable financing terms, it could be required to modify
its expansion plans.

         The Company depends on many internal and external information
technology systems that were not originally designed to process dates beyond
1999. The Company has developed a Year 2000 Readiness Program (Program) to
ensure that its systems will function properly in the Year 2000 and thereafter.
The Company expects this Program to be completed in September 1999. With the
assistance of an experienced outside consultant, specializing in the aviation
technology field, we have formulated a plan to address all of the Company's
information technology requirements that could be impacted by any potential Year
2000 issues. Our Program has been initially focused on our internal information
technology. This includes software applications, hardware and infrastructure
which are essential for flight scheduling; aircraft maintenance; revenue
management; finance systems, which includes revenue accounting; internal
communication systems and facility management.

         While our initial focus has been on internal information technology
systems, the Program also encompasses non-Information Technology equipment,
aircraft and flight support systems, our suppliers and facilities. We have also
been involved in industry efforts led by the Air Transport Association (ATA) and
the Regional Airline Association (RAA) in addressing Year 2000 issues concerning
third party relationships that include the Federal Aviation Administration
(FAA), the U.S. Department of Transportation (DOT), and airport authorities.

         The Company has taken a phased approach to this Program that includes:
Identification & Awareness, Assessment, Remediation and Testing. Based on this
approach, the Identification & Awareness and Assessment phases of all the
Company's critical internal information technology systems, non-information
technology


                                    Page 16
<PAGE>   17

COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


equipment, aircraft and flight support systems, are complete. These systems
specifically include, but are not limited to, those that are critical and
essential for the Company to continue operations without interruption. The
Company is continuing to work through the remaining phases and expects the
Remediation phase to be substantially complete by April 1999, and the Testing
phase to be completed by September 1999.

         The Company estimates that the overall cost of the Year 2000 readiness
activities will approximate $3 million. This cost includes hardware and software
upgrades, consultant fees, and internal staffing salaries for our employees
involved in the Program. The total amount expended on the Program through
September 30, 1998, was approximately $700,000.

         As indicated, the Company has also assessed Year 2000 issues concerning
its relationships with third parties. We continue to identify those vendors and
suppliers that we define as critical to our business, and have initiated formal
communications with those that provide goods and services that are essential to
our operations. These third parties include the suppliers of infrastructure
critical to the airline industry, such as the air traffic control and related
systems of the FAA, DOT and local airport authorities. Other critical third
parties on which the Company's relies include other airlines, the suppliers of
aircraft fuel, utilities, communications services and other airline reservation
systems. The progress of each of their Year 2000 Programs is being monitored
based on information provided to us by them. The failure of third parties to
remediate their respective systems could have a material effect on the Company's
financial condition, cash flows and results of operations.

         The Company is revising its current business interruption contingency
plans to address internal and external issues related to the Year 2000 problem
to the extent practicable. Revisions to these plans are expected to be completed
by September 1999. These plans, which are intended to enable the Company to
operate to the extent possible, include carrying additional inventories for fuel
and flight essential components; performing certain processes manually;
repairing existing systems; changing suppliers; and reducing or suspending
operations. The Company believes that since the Year 2000 issues are so
widespread in nature, the contingency plans will require further modifications
as additional information becomes available regarding results of the Company's
Remediation & Testing phase and the status of third party Year 2000 readiness.

         The Company is currently of the opinion that its material processes and
systems, to the extent within its control, will be in compliance with Year 2000
requirements in the time frame mentioned. However, there can be no assurance
that the Company's internal systems or equipment or those of third parties on
which the Company relies will be Year 2000 compliant in a timely manner or the
Company's or third parties' contingency plans will mitigate the effects of any
noncompliance. The failure of the systems or equipment of the Company or third
parties (which the Company believes is the most reasonably likely worst case
scenario) could result in the reduction or suspension of the Company's
operations and could have a material adverse effect on the Company's financial
condition, cash flows and results of operations.

         Numerous lawsuits, as described in the Registrant's Form 10-K dated
March 31, 1998, regarding the crash of Flight 3272 in January 1997 near Detroit,
Michigan have been filed. A substantial number of claims have been settled. The
Company maintains sufficient insurance coverage for any remaining claims and, at
this time, believes that the claims, expenses and litigation related to this
accident will not have a material adverse effect on the Company's financial
condition, cash flows or results of operations.



                                    Page 17
<PAGE>   18

COMAIR HOLDINGS, INC. AND SUBSIDIARIES
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS (continued)


         The Company has a $5 million bank line of credit at prime. The line of
credit has not been used since 1985.

         Several of the statements contained in this report are "forward-looking
statements" as that term is defined in federal securities laws. The actual
results could vary materially from those described in those statements. Factors
that could cause actual results to vary are described in detail in our reports
to the Securities and Exchange Commission including Exhibit 99 and are also
discussed in the second and third paragraphs under "Results of Operations."

                           PART II. OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

         On August 30, 1996, COMAIR filed suit challenging a decision of the
National Mediation Board. This matter involves the demand of the International
Brotherhood of Teamsters to represent COMAIR flight attendants and a finding by
the National Mediation Board that a majority of the employees of the flight
attendant craft had not cast ballots in favor of representation. Subsequently,
the National Mediation Board reopened the case, counted additional ballots and
changed its ruling by certifying the International Brotherhood of Teamsters as a
collective bargaining representative for the flight attendants of COMAIR. On
September 23, 1998, the court ruled in favor of the National Mediation Board's
certification of the International Brotherhood of Teamsters as a collective
bargaining representative for the flight attendants of COMAIR. At this time,
COMAIR is evaluating the possibility of appealing this decision.

         There are no other material legal proceedings pending adverse to the
Company, any of its subsidiaries or their property, except proceedings arising
in the ordinary course of business. The Company believes that all such
proceedings are either adequately insured or will not have a material adverse
effect on the Company's financial condition, results of operations or cash
flows.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS. AT THE COMPANY'S
ANNUAL MEETING OF SHAREHOLDERS HELD ON AUGUST 11, 1998, THE FOLLOWING ACTIONS
WERE TAKEN BY SHAREHOLDERS:

4.1 All persons nominated as Class A Directors were elected with the votes for
each person being:


<TABLE>
<CAPTION>

- -------------------------------------------------------------------------------------------------------------------
                                                                                    Shares Against
               Name                                Shares For                         or Withheld
- --------------------------------------------------------------------------------------------------------
<S>                                               <C>                                    <C>    
Robert H. Castellini                              59,127,267                             483,664
- --------------------------------------------------------------------------------------------------------
Christopher J. Murphy III                         59,147,111                             463,820
- --------------------------------------------------------------------------------------------------------
Gerald L. Wolken                                  59,132,503                             478,428
- --------------------------------------------------------------------------------------------------------
</TABLE>

        4.2 Amendment to the Company's Articles of Incorporation to increase the
authorized number of shares of Common Stock to 200 million was approved by the
following vote:

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------------------------------
   Shares For            Shares Against                Shares Abstained                Broker Non-Votes
- --------------------------------------------------------------------------------------------------------
<S>                        <C>                              <C>                               <C>
   56,069,048              3,382,056                        159,827                           0
- --------------------------------------------------------------------------------------------------------
</TABLE>



                                    Page 18
<PAGE>   19

ITEM 1.  LEGAL PROCEEDINGS (CONTINUED)

         4.3 Amendments to the 1990 Stock Option Plan were approved by the
following vote:

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------------------------------
   Shares For            Shares Against                Shares Abstained                Broker Non-Votes
- --------------------------------------------------------------------------------------------------------
<S>                        <C>                              <C>                            <C>      
   51,021,978              1,084,455                        405,153                        7,099,345
- --------------------------------------------------------------------------------------------------------
</TABLE>

         4.4 The selection of Arthur Andersen LLP as independent public
accountants for fiscal year 1999 was ratified by the following vote:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------
  Shares For              Shares Against               Shares Abstained                Broker Non-Votes
- --------------------------------------------------------------------------------------------------------
<S>                        <C>                              <C>                               <C>
  59,078,455               101,368                          160,810                           0
- --------------------------------------------------------------------------------------------------------
</TABLE>


ITEM 5.  OTHER EVENTS

         The form of Proxy for the Company's Annual Meeting of Shareholders
grants authority to designated proxies named on the proxy card to vote in their
discretion on any matters that come before the meeting except those set forth in
the Company's Proxy Statement and except for matters as to which adequate notice
is received. In order for a notice to be deemed adequate for the 1999 Annual
Shareholder's Meeting, it must be received prior to May 10, 1999.

ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K


        (a)       Exhibit 10.13 - Amendment to Bombardier Regional Aircraft 
                  Division Purchase Agreement between Bombardier Inc. and 
                  Comair, Inc. dated November 24, 1997

        (b)       Exhibit 10.14 - Bombardier Aerospace, Regional Aircraft
                  Purchase Agreement between Bombardier Inc. and Comair, Inc.
                  dated September 30, 1998

        (c)       Exhibit 99 - Forward looking statements
                  ---------------------------------------

        (d)       Reports on Form 8-K
                  -------------------

                  No reports on Form 8-K were filed during the quarter for which
                  this report is filed






                                    Page 19
<PAGE>   20

ITEM 1.  LEGAL PROCEEDINGS (CONTINUED)


                                                                      EXHIBIT 99

                                   SAFE HARBOR

         The Private Securities Litigation Reform Act of 1995 provides a safe
harbor from civil litigation in many instances for forward-looking statements.
Such statements must be accompanied by meaningful cautionary statements that
identify important factors that could cause actual results to differ materially
from those that might be projected. This exhibit to the Registrant's Form 10-K
is being filed in order to adhere to the provisions of this Act by providing the
following cautionary statements:

Risk Factors Affecting Comair Holdings, Inc.
- --------------------------------------------

         The Company's business operations and strategy are subject to a number
of uncertainties and risks which could cause the actual results to differ
materially from projected results. It is not possible to list all of the many
factors and events that could cause the actual results to differ materially from
the projected results. Such factors may include, but are not limited to:
competitive factors such as the airline pricing environment, the capacity
decisions of other airlines, and the presence of low-cost, low-fare carriers;
the willingness of customers to travel; general economic conditions; changes in
jet fuel prices; availability of aircraft; unplanned increases in financing or
other costs; and actions by the United States and foreign governments.






                                    Page 20
<PAGE>   21




                     COMAIR HOLDINGS, INC. AND SUBSIDIARIES




SIGNATURE
- ---------

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this amendment to this report to be signed on its
behalf by the undersigned thereunto duly authorized.





                                          COMAIR HOLDINGS, INC.


November 13, 1998                         BY: /s/ Randy D. Rademacher
                                          ------------------------------
                                          Randy D. Rademacher
                                          Senior Vice President Finance
                                          Chief Financial Officer



                                    Page 21

<PAGE>   1
                                                                   Exhibit 10.13

              FIRST AMENDMENT TO PURCHASE AGREEMENT No. P.A. - 0392
              -----------------------------------------------------

         THIS FIRST AMENDMENT TO PURCHASE AGREEMENT No. P.A. - 0392 (the "First
Amendment") is made and entered into effective as of the 30th day of September,
1998 by and between BOMBARDIER INC., ("Bombardier") a Canadian corporation
through Bombardier Aerospace Regional Aircraft (formerly Bombardier Regional
Aircraft Division) having an office at 123 Garratt Boulevard, Downsview,
Ontario, Canada and COMAIR, INC., ("Buyer") an Ohio corporation with offices
located at the Cincinnati/Northern Kentucky International Airport, Cincinnati,
Ohio, U.S.A., 45275.


WHEREAS, Bombardier and Buyer are parties to that certain Purchase Agreement No.
P.A. - 0392 dated November 24, 1997 (the "Agreement" ) and pursuant to Section
24.1 thereof, desire to amend the Agreement as herein provided;

WHEREAS, the parties desire to provide for the exercise by Buyer of the purchase
of certain Option Aircraft and Additional Option Aircraft granted Buyer under
the Agreement as hereinafter provided.

NOW THEREFORE, for good and valuable consideration, the adequacy and receipt of
which is hereby acknowledge by the parties, Buyer and Bombardier agree to amend
the Agreement as follows:


1.       The second WHEREAS Recital paragraph contained on page 1 of the
         Agreement is hereby amended to substitute "sixty (60)" for "thirty
         (30)" therein.

2.       The definition of "Agreement" contained in Article 1.1 is amended and
         restated in its entirety to read as follows:

         "Agreement" this Purchase Agreement No. 0392 together with its
         Exhibits, Annexes and Letters of Agreement attached hereto (each of
         which is incorporated in the agreement by this reference) as they may
         be amended pursuant to the provisions of the agreement including
         without limitation the First Amendment to this Purchase Agreement
         P.A.-0392;"

3.       Article 2.0 of the Agreement is amended to substitute "sixty (60)" for
         "thirty (30)" therein.

4.       Exhibit C of the Agreement is hereby amended as follows:

         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]



                                      -1-
<PAGE>   2

         in Annex to Exhibit C-2, add CR 34-352 GPS - Dual Collins GPS-2000 with
         respect only to Aircraft No. 31 through No. 60, inclusive.

5.       Exhibit D of the Agreement is hereby amended and restated in its
         entirety so as to read as provided in Appendix I attached hereto and
         made a part hereof.

6.       [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]

7.       With respect to each and every Letter Agreement attached and
         incorporated in the Agreement (including Letter Agreement Number's
         0392-01 through to 0392-24 and 30), the initial paragraph of each such
         Letter Agreement is amended to substitute "sixty (60)" for "thirty
         (30)" therein.

8.       Letter Agreement No. 0392-05 of the Agreement is hereby amended as
         follows:
                                                                        
         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]

9.       Letter Agreement No. 0392-06 of the Agreement is hereby amended as
         follows:

         in paragraph 1.0,  substitute "sixty (60)"  for  "thirty (30)" therein;

         paragraph 1.2 is hereby deleted and replaced in its entirety with
         "Bombardier hereby offers to Buyer the option to purchase forty-five
         (45) CRJ-100ER option aircraft the ("Option Aircraft") [*]

         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]

10.      Letter Agreement No. 0392-25 is hereby added to the Agreement.

11.      Letter Agreement No. 0392-26 is hereby added to the Agreement.

12.      Letter Agreement No. 0392-27 is hereby added to the Agreement.

13.      Letter Agreement No. 0392-28 is hereby added to the Agreement.

14.      Letter Agreement No. 0392-29 is hereby added to the Agreement.

15.      Letter Agreement No. 0392-31 is hereby added to the Agreement.

16.      Letter Agreement No. 0392-22 of the Agreement is hereby amended to [*].


                                      -2-
<PAGE>   3

Except as specifically provided herein, the Agreement together with all
Exhibits, Annexes, Appendices and Letter Agreements attached shall continue in
full force and effect.


In witness whereof this First Amendment Agreement was signed on the date written
hereof:

For and on behalf of                         For an on behalf of

Comair, Inc.:                                Bombardier Inc.:



By: /s/ Randy Rademacher                     By:  /s/ Robert Gillespie
    ---------------------                         ----------------------------
    Randy Rademacher                               Robert Gillespie
Its: Senior Vice President Finance & CFO     Its:  President
                                                   Bombardier Aerospace, 
                                                   Regional Aircraft



                                               By: /s/ John Giraudy
                                                   ---------------------------
                                                    John Giraudy

                                               Its: Sr. Vice President, Sales
                                                    Bombardier Aerospace, 
                                                    Regional Aircraft




                                      -3-
<PAGE>   4


                                                               Appendix I to the
                                                               -----------------
                                                              First Amendment to
                                                              ------------------
                                                                        PA -0392
                                                                        --------

                                    EXHIBIT D
                                DELIVERY SCHEDULE


The Aircraft shall be offered to Buyer for acceptance pursuant to the provisions
of Article 9 in accordance with the following schedule:

                  AIRCRAFT                  SCHEDULED DELIVERY MONTH/YEAR

                    No. 1                                     [*]
                    No. 2                                     [*]
                    No. 3                                     [*]
                    No. 4                                     [*]
                    No. 5                                     [*]
                    No. 6                                     [*]
                    No. 7                                     [*]
                    No. 8                                     [*]
                    No. 9                                     [*]
                    No. 10                                    [*]
                    No. 11                                    [*]
                    No. 12                                    [*]
                    No. 13                                    [*]
                    No. 14                                    [*]
                    No. 15                                    [*]
                    No. 16                                    [*]
                    No. 17                                    [*]
                    No. 18                                    [*]
                    No. 19                                    [*]
                    No. 20                                    [*]
                    No. 21                                    [*]
                    No. 22                                    [*]
                    No. 23                                    [*]
                    No. 24                                    [*]
                    No. 25                                    [*]
                    No. 26                                    [*]
                    No. 27                                    [*]
                    No. 28                                    [*]
                    No. 29                                    [*]
                    No. 30                                    [*]



                                      -4-
<PAGE>   5



                    No. 31                                    [*]
                    No. 32                                    [*]
                    No. 33                                    [*]
                    No. 34                                    [*]
                    No. 35                                    [*]
                    No. 36                                    [*]
                    No. 37                                    [*]
                    No. 38                                    [*]
                    No. 39                                    [*]
                    No. 40                                    [*]
                    No. 41                                    [*]
                    No. 42                                    [*]
                    No. 43                                    [*]
                    No. 44                                    [*]
                    No. 45                                    [*]
                    No. 46                                    [*]
                    No. 47                                    [*]
                    No. 48                                    [*]
                    No. 49                                    [*]
                    No. 50                                    [*]
                    No. 51                                    [*]
                    No. 52                                    [*]
                    No. 53                                    [*]
                    No. 54                                    [*]
                    No. 55                                    [*]
                    No. 56                                    [*]
                    No. 57                                    [*]
                    No. 58                                    [*]
                    No. 59                                    [*]
                    No. 60                                    [*]



                                      -5-
<PAGE>   6


                                                              Appendix II to the
                                                              ------------------
                                                      First Amendment to PA-0392
                                                      --------------------------
       ATTACHMENT A to Letter Agreement No. 05 to Purchase Agreement -0392

       [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
                        SEPARATELY WITH THE COMMISSION.]

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



                                      -6-
<PAGE>   7


                                                             Appendix III to the
                                                             -------------------
                                                      First Amendment to PA-0392
                                                      --------------------------
                        Option Aircraft Delivery Schedule
       [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
                        SEPARATELY WITH THE COMMISSION.]


















































                                      -7-
<PAGE>   8



September 30, 1998


Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 25 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]
When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.

/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.


   /s/ Randy Rademacher
- ------------------------------
Randy Rademacher
Senior Vice President, Finance & CFO
LA No. 25                            -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------


<PAGE>   9



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 26 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION.]

If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.

/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/ Randy Rademacher
- --------------------------
Randy Rademacher
Senior Vice President, Finance & CFO
LA No. 26                                -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------



<PAGE>   10



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 27 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION.]

If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.

/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/ Randy Rademacher
- --------------------------
Randy Rademacher
Senior Vice President, Finance & CFO





LA No. 28                                -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------


<PAGE>   11

September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 28 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION.]

         This Letter Agreement constitutes an integral part of the Agreement and
         is subject to the terms and conditions contained therein. When there is
         any inconsistency between this Letter Agreement and the Agreement with
         respect to the subject matter covered by the terms contained herein,
         then this Letter Agreement shall prevail.






LA No. 28                             -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------




<PAGE>   12


If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.

/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/ Randy Rademacher
- --------------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 28                             -2
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------




<PAGE>   13




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 29 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION.]

 3.0     In the event of the termination of the Agreement, this Letter Agreement
         shall become automatically null and void with respect to undelivered
         Aircraft.

4.0      The provisions of this Letter Agreement are personal to Buyer and shall
         not be assigned or otherwise disposed of by Buyer without the prior
         written consent of Bombardier.

5.0      This Letter Agreement constitutes an integral part of the Agreement and
         is subject to the terms and conditions contained therein. When there is
         any inconsistency between this Letter Agreement and the Agreement with
         respect to the subject matter covered by the terms contained herein,
         then this Letter Agreement shall prevail.







LA No. 29                            -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------


<PAGE>   14


If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.


/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/ Randy Rademacher
- --------------------------
Randy Rademacher
Senior Vice President, Finance & CFO














LA No. 29                            -2-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------

<PAGE>   15




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275

Dear Sirs,

LETTER AGREEMENT NO. 31 TO PURCHASE AGREEMENT NO. 0392 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF SIXTY (60) CANADAIR REGIONAL JET AIRCRAFT (THE "AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION.]













LA No. 31                           -1-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------


<PAGE>   16


3.0      The provisions of this Letter Agreement are personal to Buyer and shall
         not be assigned or otherwise disposed of by Buyer without the prior
         written consent of Bombardier.

4.0      This Letter Agreement constitutes an integral part of the Agreement and
         is subject to the terms and conditions contained therein. When there is
         any inconsistency between this Letter Agreement and the Agreement with
         respect to the subject matter covered by the terms contained herein,
         then this Letter Agreement shall prevail.

If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, BOMBARDIER INC.


/s/ Gail M. Greenwood

Gail M. Greenwood
Contracts Manager
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/ Randy Rademacher
- --------------------------
Randy Rademacher
Senior Vice President, Finance & CFO


* MATERIAL DESIGNATED BY AN ASTERISK IS CONSIDERED CONFIDENTIAL AND HAS BEEN
OMITTED PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934. SUCH
MATERIAL HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION.

LA No. 31                            -2-
to P.A. No. 0392
                                                     ---------------------------
                                                      Initials

                                                      Buyer   Bombardier 
                                                     ---------------------------

<PAGE>   1
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
                                                                   Exhibit 10.14





                     BOMBARDIER AEROSPACE, REGIONAL AIRCRAFT

                               PURCHASE AGREEMENT






                                     BETWEEN



                                 BOMBARDIER INC.

                      BOMBARDIER REGIONAL AIRCRAFT DIVISION



                                       AND



                                   COMAIR INC.






          RELATING TO THE PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET
                SERIES 700 AIRCRAFT AND RELATED AIRLINE SERVICES

                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
P.A. No. 0431                                    ------------------------

<PAGE>   2




                          TABLE OF CONTENTS

ARTICLE                    DESCRIPTION
- -------                    -----------

    1.0           DEFINITION AND INTERPRETATION
    2.0           SUBJECT MATTER OF SALE
    3.0           CERTIFICATION
    4.0           PRICE
    5.0           PAYMENT
    6.0           BUYER'S REPRESENTATIVES AT PLACE OF
                  MANUFACTURE
    7.0           CHANGES
    8.0           BUYER FURNISHED EQUIPMENT & INFORMATION
    9.0           DELIVERY PROGRAM
    10.0          EXCUSABLE DELAY
    11.0          ACCEPTANCE PROCEDURE
    12.0          TITLE AND RISK
    13.0          CUSTOMER SUPPORT SERVICES AND WARRANTY
    14.0          TAXES, DUTIES AND LICENSES
    15.0          LOSS OF OR DAMAGE TO AIRCRAFT
    16.0          INDEMNITY AGAINST PATENT INFRINGEMENT
    17.0          LIMITATION OF LIABILITY
    18.0          TERMINATION
    19.0          ASSIGNMENT
    20.0          NOTICES
    21.0          CONFIDENTIAL NATURE OF AGREEMENT
    22.0          SUCCESSORS
    23.0          APPLICABLE LAWS
    24.0          AGREEMENT

                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
P.A. No. 0431              -i-                   ------------------------
<PAGE>   3


                                LIST OF EXHIBITS



EXHIBIT                    DESCRIPTION

       A          SPECIFICATION

       B          ECONOMIC ADJUSTMENT FORMULA

       C          PRICE AND PAYMENT SCHEDULE

       D          DELIVERY SCHEDULE

       E          CERTIFICATE OF ACCEPTANCE

       F          BILL OF SALE

       G          CHANGE ORDER

       H          AIRLINES SERVICES

       I          LEFT INTENTIONALLY BLANK

       J          WARRANTY AND SERVICE LIFE POLICY

       K          [*]






                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
P.A. No. 0431                   -ii-             ------------------------
<PAGE>   4




     This agreement is made on the 30th day of September, 1998.

     BETWEEN

     BOMBARDIER INC., a Canadian corporation represented by BOMBARDIER
     AEROSPACE, REGIONAL AIRCRAFT with offices located at 123 Garratt Boulevard,
     Downsview, Ontario, Canada, M3K 1Y5.

     ("Bombardier")


     AND


     COMAIR, INC., an Ohio corporation with offices located at the
     Cincinnati/Northern Kentucky International Airport, Cincinnati, Ohio,
     U.S.A., 45275

     ("Buyer")

     WHEREAS Buyer desires to purchase from Bombardier twenty (20) Aircraft (as
     later defined) and to obtain the relevant data, documents and support
     services according to this Agreement (as later defined), and Bombardier
     desires to manufacture and sell such Aircraft and to provide the data and
     documents and support services to Buyer.

     NOW THEREFORE, in consideration of the mutual covenants herein contained,
     Buyer and Bombardier agree as follows:

                                      -1-

                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
P.A. No. 0431                                    ------------------------

<PAGE>   5


1.0      DEFINITIONS AND INTERPRETATIONS

         1.1      Unless otherwise expressly provided herein, the following
                  words and expressions shall mean:

                  "Acceptance Period"        shall have the meaning given to 
                                             it at Article 11.1.

                  "Acceptance Date"          shall have the meaning given to it
                                             at Article 11.7.

                  "Agreement"                this Purchase Agreement No. 0431
                                             together with its Exhibits, Annexes
                                             and Letters of Agreement attached
                                             hereto (each of which is
                                             incorporated in the agreement by
                                             this reference) as they may be
                                             amended pursuant to the provisions
                                             of the agreement.

                  "Aircraft"                 the Canadair Regional Jet Aircraft
                                             Model CL-600-2C10 purchased by
                                             Buyer hereunder as described in the
                                             Specification.

                  "Base Price"               shall have the meaning given to it
                                             at Article 1.1 of Exhibit C.

                  "BFE"                      Buyer Furnished Equipment, being
                                             equipment to be purchased and
                                             furnished by Buyer pursuant to
                                             Article 8.

                  "Buyer Selected Optional   shall have the meaning given 
                  Features"                  to it in Article 2.0.

                  "Delivery Date"            the date on which Buyer takes
                                             delivery of the Aircraft pursuant
                                             to Article 11.9.

                  "DOT"                      means Transport Canada, the
                                             Canadian Department of Transport or
                                             any succeeding department or agency
                                             then responsible for the duties of
                                             Transport Canada.

                                      -2-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
P.A. No. 0431                                    ------------------------
<PAGE>   6




          "Economic Adjustment        shall have the meaning given 
          Formula"                    to it in Article 1.2 of
                                      Exhibit C.

          "Excusable Delay"          any delay due directly to or
                                     indirectly to any cause whatsoever,
                                     beyond Bombardier's reasonable
                                     control or without negligence of
                                     Bombardier, such as, but not
                                     limited to:

                                     1)    force majeure or act of God;        
                                                                               
                                     2)    act of the enemy, war, civil        
                                           commotion, insurrection, riot or    
                                           embargo;                            
                                                                               
                                     3)    fire, explosion, earthquake,        
                                           lightning, flood, drought,          
                                           windstorm or other action of the    
                                           elements, or other catastrophe or   
                                           accident;                           
                                                                               
                                     4)    epidemic or quarantine              
                                           restrictions;                       
                                                                               
                                     5)    any legislation, act, order,        
                                           directive or regulation of any      
                                           governmental or other duly          
                                           constituted authority;              
                                                                               
                                     6)    strike, lockout, walkout, slowdown, 
                                           or other labour trouble;            
                                                                               
                                     7)    lack or shortage or delay in        
                                           delivery of supplies, materials,    
                                           accessories, equipment, tools or    
                                           parts;                              
                                                                               
                                     8)    delay or failure of carriers,       
                                           subcontractors or suppliers for any 
                                           reasons whatsoever; and             
                                                                               
                                     9)    delay in obtaining any type         
                                           approval or type certificate or any 
                                           airworthiness certificate or any    
                                           equivalent approval or              
                                           certification, by reason of any law 
                                           or governmental order, directive or 
                                           regulation or                       
P.A. No. 0431                                                            
                                             
                                      -3-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------
<PAGE>   7


                                             any change thereto, or
                                             interpretation thereof, by a
                                             governmental agency, the effective
                                             date of which is subsequent to the
                                             date of this Agreement, requiring
                                             any modification in the Aircraft in
                                             order to obtain the type approval,
                                             type certificate, airworthiness
                                             certificate or equivalent, or by
                                             reason of any change or addition
                                             requested by a governmental agency
                                             to the compliance program of
                                             Bombardier for the certification of
                                             the Aircraft or any part thereof as
                                             same shall have been approved by
                                             DOT or change to the interpretation
                                             thereof.

                  "FAA"                      the United States Federal Aviation
                                             Administration or any succeeding
                                             department or agency then
                                             responsible for the duties of FAA.

                  "FAR"                      the United States Federal Aviation
                                             Regulations.

                  "FTP's"                    shall have the meaning given to it
                                             at Article 11.2.

                  "Notice"                   shall have the meaning given to it
                                             at Article 20.1.

                  "Permitted Change"         a change to the Specification made
                                             pursuant to Article 7.2.

                  "Purchase Price"           shall have the meaning given to it
                                             in Article 1.2 of Exhibit C.

                  "Readiness Date"           shall have the meaning given to it
                                             at Article 11.1.

                  "Regulatory Change"        shall have the meaning given to it
                                             at Article 7.3.

P.A. No. 0431                                                            
                                             
                                      -4-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------
<PAGE>   8

                  "Scheduled Delivery        shall have the meaning given
                  Date"                      to it at Article 9.1.

                  "Specification"            Specification No. RAD-670-100 Issue
                                             B dated September 4th, 1998 as
                                             described in Exhibit A attached
                                             hereto and as may be further
                                             amended pursuant to the provisions
                                             of this Agreement.

                  "Total Loss Aircraft"      shall have the meaning given to it
                                             at Article 15.

         1.2      The headings of the Articles of this Agreement are included
                  for convenience only and shall not be used in the construction
                  and interpretation of this Agreement.

         1.3      In this Agreement, unless otherwise expressly provided the
                  singular includes the plural and vice-versa.

P.A. No. 0431                                                            
                                             
                                      -5-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------
<PAGE>   9


2.0      SUBJECT MATTER OF SALE

         Bombardier shall manufacture, sell and deliver to Buyer, and Buyer
         shall purchase from Bombardier, pay for and take delivery of twenty
         (20) Aircraft manufactured pursuant to the Specification, as
         supplemented to reflect the incorporation of the Buyer selected
         optional features ("Buyer Selected Optional Features") set forth in the
         Annex to Exhibit C (individually or collectively the "Aircraft") and
         related services subject to the terms and conditions of this Agreement.

P.A. No. 0431                                                            
                                             
                                      -6-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------


<PAGE>   10


3.0      CERTIFICATION

         3.1      Prior to the Acceptance Date, Bombardier shall obtain a DOT
                  Type Approval (Transport Category), validated by a U.S. Type
                  Certificate issued in accordance with Part 21 of the FAR for
                  the Canadair Regional Jet CL-600-2C10 aircraft.

         3.2      On or before the Delivery Date, Bombardier shall provide to
                  Buyer a DOT Certificate of Airworthiness (Transport Category)
                  for export, bearing a statement of compliance with the Type
                  Certificate which will enable Buyer, with the assistance of
                  Bombardier, to obtain an F.A.A. Certificate of Airworthiness.
                  Bombardier shall not be obligated to obtain any other
                  certificates or approvals as part of this Agreement.


P.A. No. 0431                                                            
                                             
                                      -7-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   11


4.0      PRICE

         The unit base price for each of the Aircraft purchased pursuant to
         Article 2 hereof shall be as per Article 1.1 of Exhibit C attached
         hereto.

P.A. No. 0431                                                            
                                             
                                      -8-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------


<PAGE>   12


5.0      PAYMENT

         Payment shall be as per Article 2 of Exhibit C attached hereto.


P.A. No. 0431                                                            
                                             
                                      -9-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   13


6.0      BUYER'S REPRESENTATIVES AT PLACE OF MANUFACTURE

         6.1      From time to time, commencing with the date of this Agreement
                  and ending [*] months after the Delivery Date of the last
                  Aircraft purchased hereunder, Bombardier shall furnish,
                  without charge, office space at Bombardier's facility for one
                  (1) representative of Buyer. Buyer shall be responsible for
                  all expenses of its representative and shall notify Bombardier
                  at least thirty (30) calendar days prior to the first
                  scheduled visit of such representative and three (3) days for
                  each visit thereafter.

         6.2      Bombardier's facilities shall be accessible to Buyer's
                  representative during normal working hours. Buyer's
                  representative shall have the right to periodically observe
                  the work at such Bombardier facilities where the work is being
                  carried out provided there shall be no disruption in
                  Bombardier's performance.

         6.3      Bombardier shall advise Buyer's representative of Bombardier's
                  rules and regulations applicable at Bombardier's facilities
                  and Buyer's representative shall conform to such rules and
                  regulations

         6.4      Communication between Buyer's representative and Bombardier
                  shall be solely through Bombardier's Contract Department or
                  its designate.

         6.5      EACH PARTY HERETO HEREBY RELEASES AND AGREES TO DEFEND,
                  INDEMNIFY AND HOLD HARMLESS THE OTHER PARTY, ITS ASSIGNEES,
                  OFFICERS, DIRECTORS, AGENTS, EMPLOYEES AND CONTRACTORS FROM
                  AND AGAINST ALL LIABILITIES, DAMAGES, LOSSES, COSTS AND
                  EXPENSES RESULTING FROM INJURIES TO OR DEATH OF OR LOSS OF OR
                  DAMAGE TO PROPERTY OF ANY PARTY WHILE AT BOMBARDIER OR
                  BOMBARDIER'S MAIN SUBCONTRACTOR'S FACILITIES AND/OR DURING
                  TRAINING, INSPECTION, FLIGHT TEST OR ACCEPTANCE OF THE
                  AIRCRAFT, WHETHER OR NOT CAUSED BY THE NEGLIGENCE OF THE
                  INDEMNIFYING PARTY, ITS ASSIGNEES, OFFICERS, DIRECTORS,
                  AGENTS, EMPLOYEES AND CONTRACTORS.

P.A. No. 0431                                                            
                                             
                                      -10-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   14


7.0      CHANGES

         7.1      Other than a Permitted Change as detailed in Article 7.2, or a
                  Regulatory Change as detailed in Article 7.3, any change to
                  this Agreement as may be mutually agreed upon by the parties
                  hereto, shall be made using a change order ("Change Order").
                  Each Change Order shall be prepared substantially in the
                  format attached as Exhibit G hereto. Such Change Order shall
                  identify, to the extent reasonably practical:

                  a.     the effect of the proposed change on the Scheduled 
                         Delivery Date;

                  b.     the price and payment terms applicable to the Change 
                         Order; and

                  c.     details of any other material provisions of this
                         Agreement which will be affected by the Change Order.

                  Such Change Order shall become effective and binding on the
                  parties hereto when signed by a duly authorized representative
                  of each party.

                  [CONFIDENTIAL  INFORMATION  APPEARING  HERE  HAS  BEEN  
                  OMITTED  AND  FILED  SEPARATELY  WITH THE COMMISSION.]

         7.3      If any change, addition or modification to the Aircraft is
                  required because of any law or governmental regulation or
                  interpretation thereof by any governmental agency which is
                  effective after the date of this Agreement, but before the
                  Delivery Date, which is applicable to all aircraft in general
                  or to all aircraft of the same category as the Aircraft (a
                  "Regulatory Change"), such Regulatory Change shall be
                  incorporated in the Aircraft before the Delivery Date of such
                  Aircraft or at such other time after the Delivery Date as the
                  parties may agree upon. Bombardier shall advise Buyer of such
                  Regulatory Change and Buyer shall pay Bombardier a reasonable
                  price for such Regulatory Change.

         7.4      If the Scheduled Delivery Date of the Aircraft is delayed as a
                  result of any cause to which reference is made in this
                  Article, such delay shall be an Excusable Delay.

P.A. No. 0431                                                            
                                             
                                      -11-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   15


8.0      BUYER FURNISHED EQUIPMENT ("BFE") AND INFORMATION

         8.1      During the manufacture of the Aircraft, Buyer shall provide to
                  Bombardier on or before the date required by Bombardier, all
                  information needed to manufacture Buyer's Aircraft as
                  Bombardier may reasonably request including, without
                  limitation, the selection of furnishings, internal and
                  external colour schemes. Bombardier shall advise Buyer of the
                  date when such information is required and Buyer shall comply
                  with the date so specified.

         8.2      On or before execution of this Agreement, Buyer shall notify
                  Bombardier in writing of the BFE (if any) that Buyer wishes to
                  have incorporated into each Aircraft. Buyer shall also provide
                  details of:

                  a.     weights and dimensions of the BFE;

                  b.     test equipment or special tools required to incorporate
                         the BFE; and

                  c.     any other information Bombardier may reasonably 
                         require.

                  Within sixty (60) calendar days thereafter, Bombardier shall
                  advise Buyer of its acceptance or rejection of the BFE and of
                  the dates by which each item of BFE is required by Bombardier.
                  If required, the parties hereto shall execute a Change Order
                  in accordance with Article 7.1 to cover those BFE items
                  accepted by Bombardier pursuant to Article 8.2.

         8.3      The BFE accepted by Bombardier pursuant to Article 8.2 shall
                  be incorporated in the manufacturing process of the Aircraft
                  subject to the following conditions:

                  a.     The BFE must be received F.O.B. Bombardier's plant or
                         such other place as Bombardier may designate, no later
                         than the date agreed upon between Buyer and Bombardier,
                         free and clear of any taxes, duties, licenses, charges,
                         liens or other similar claims;

                  b.     The BFE shall meet:

                         1)    the standards of quality of Bombardier, and

                         2)    the requirements of the applicable airworthiness
                               certification agency;

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                  c.     The BFE shall be delivered to Bombardier in good
                         condition and ready for immediate incorporation into
                         the Aircraft. Bombardier shall, upon receipt, inspect
                         the BFE as to quantity and apparent defects and inform
                         Buyer of any discrepancies and any required corrective
                         actions to be taken;

                  d.     Bombardier shall only be responsible for the fitment
                         and testing of the BFE in the Aircraft (with the
                         exception of any BFE that may be installed by Buyer on
                         the Aircraft after delivery of same to Buyer which
                         shall remain the responsibility of Buyer) using
                         reasonable care and good manufacturing practices, in
                         accordance with Buyer's written detailed description of
                         the dimensions and weight of such BFE. Buyer shall also
                         furnish information necessary for its proper storage,
                         fitment, servicing, maintenance, operation and
                         availability of test equipment or special tools;

                  e.     BOMBARDIER SHALL HAVE NO LIABILITY OR OTHER OBLIGATIONS
                         AND IS HEREBY RELIEVED OF ANY LIABILITY, WARRANTY OR
                         OTHER OBLIGATION WITH RESPECT TO THE BFE AND BUYER
                         HEREBY WAIVES ALL EXPRESS OR IMPLIED WARRANTIES
                         INCLUDING THOSE OF MERCHANTABILITY AND FITNESS OR
                         OTHERWISE AND ALL OTHER LIABILITY (STRICT OR OTHERWISE)
                         ON THE PART OF BOMBARDIER, BE IT IN FACT, LAW OR IN
                         CONTRACT, OR OTHERWISE INCLUDING WITHOUT LIMITATION
                         PRODUCT LIABILITY, TORT OR NEGLIGENCE, IN CONNECTION
                         WITH THE BFE OR ITS DESIGN SUITABILITY FOR USE OR
                         OPERATION.

         8.4      If at any time between receipt of the BFE by Bombardier and
                  the Delivery Date, it is mutually agreed that an item of BFE
                  supplied does not meet the standards and requirements of
                  Article 8.3 or its fitment, integration and testing in the
                  Aircraft or Aircraft systems create unreasonable delays in the
                  manufacturing or certification process, then such BFE may be
                  removed and replaced by other BFE or by Bombardier's
                  equipment. Any costs associated with the removal, refitment,
                  replacement, testing and/or certification shall be borne by
                  Buyer.

         8.5      In the event that the Scheduled Delivery Date is delayed due
                  to any delay caused by Buyer's failure to:

                  a.     deliver, or have BFE delivered by the date required;


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                  b.     ensure satisfactory operation of the BFE;

                  c.     furnish or obtain applicable BFE data;

                  d.     perform any adjusting, calibrating, retesting or
                         updating of BFE;

                  e.     furnish or obtain any approvals in compliance with
                         the provisions of this Article; or

                  f.     comply with the conditions of Article 8.1 and/or 8.3;

                  Bombardier agrees to discuss with Buyer and, where
                  appropriate, agree with Buyer on the steps to be taken to
                  minimize, cure, eliminate or work around the delay, but any
                  delay incurred shall be the responsibility of Buyer and Buyer
                  shall pay to Bombardier any costs and expenses reasonably
                  incurred by Bombardier due to such delay.

         8.6      Title to the BFE shall remain at all times with Buyer and risk
                  of loss of the BFE shall remain at all times with Buyer except
                  for damages caused by Bombardier's gross negligence or
                  misconduct.

         8.7      If this Agreement is terminated in whole or in part in
                  accordance with the provisions thereof Bombardier may elect
                  to, by written notice to Buyer, either:

                  a.     purchase the BFE ordered by Buyer and/or received by
                         Bombardier at the invoice price paid by Buyer; or

                  b.     return the BFE to Buyer FOB Bombardier's plant, or such
                         other place that Bombardier may designate.


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<PAGE>   18


9.0        DELIVERY PROGRAM

           9.1        The Aircraft shall be offered for acceptance to Buyer at
                      Bombardier's plant in Dorval, the Province of Quebec,
                      Canada, during the quarters set forth in the Delivery
                      Schedule attached hereto as Exhibit D (the "Scheduled
                      Delivery Dates").

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN
                      OMITTED AND FILED SEPARATELY WITH THE COMMISSION.]

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10.0       EXCUSABLE DELAY

           10.1       In the event of a delay on the part of Bombardier in the
                      performance of its obligations or responsibilities under
                      the provisions of this Agreement, due directly or
                      indirectly to a delay which is an Excusable Delay,
                      Bombardier shall not be responsible for any such delay and
                      the time fixed or required for the performance of any
                      obligation or responsibility in this Agreement shall be
                      extended for a period equal to the period during which any
                      such cause or the effects thereof persist.

           10.2       In the event that the delivery of one or more of the
                      Aircraft is delayed or is reasonably anticipated by
                      Bombardier to be delayed by reason of Excusable Delay for
                      more than [*] months beyond the Scheduled Delivery Date of
                      such Aircraft, Buyer may terminate this Agreement in so
                      far as it applies to the Aircraft affected by Excusable
                      Delay. Bombardier may terminate this Agreement in so far
                      as it applies to the Aircraft affected by Excusable Delay
                      in the event that the delivery of one or more of the
                      Aircraft is delayed or is reasonably anticipated by
                      Bombardier to be delayed by reason of Excusable Delay for
                      more than [*] months beyond the Scheduled Delivery Date.
                      Termination shall be effected by giving notice in writing
                      to the other party of such termination:

                      a)   within [*] calendar days immediately following such
                           delay period of [*] months in the case of Buyer and
                           [*] months in the case of Bombardier; or

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                      b)     within [*] calendar days following the date of
                             notification by Bombardier of the anticipated delay
                             of more than [*] months in the case of Buyer and
                             [*] months in the case of Bombardier.

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED 
                       AND FILED SEPARATELY WITH THE COMMISSION.]

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<PAGE>   21


11.0       ACCEPTANCE PROCEDURE

           11.1       Bombardier shall give Buyer not less than [*] working days
                      prior notice of the date on which an Aircraft will be
                      ready for Buyer's inspection and/or flight test and
                      acceptance (the "Readiness Date"). Buyer shall then have
                      up to [*] consecutive working days commencing on the
                      Readiness Date in which to complete said inspection and
                      flight test (such [*] working day period being the
                      "Acceptance Period").

           11.2       Up to [*] representatives of Buyer may participate in
                      Buyer's inspection of the Aircraft and [*] representatives
                      of Buyer may participate in the flight test. During the
                      flight test Bombardier shall retain control over the
                      Aircraft, but will execute such demonstration manoeuvres
                      reasonably requested by Buyer and which are within the
                      flight envelope of the Aircraft and covered by
                      Bombardier's or, if available and agreeable to Bombardier,
                      Buyer's ground functional and flight test procedures (the
                      "FTP's"). Such flight test shall be carried out for up to
                      [*] hours or for such additional duration as both parties
                      may reasonably require. Buyer has the right to perform
                      system checks in accordance with the operating limitations
                      contained in the approved manuals of the aircraft.

           11.3       Buyer shall identify to Bombardier prior to their arrival
                      the names of Buyer's representatives who will participate
                      in the foregoing inspection and/or flight test and
                      acceptance.

           11.4       Bombardier shall provide to Buyer a copy of Bombardier's
                      FTP's at least [*] prior to the Scheduled Delivery Date of
                      the first Aircraft to be delivered. Such FTP's shall
                      govern Buyer's inspection and/or flight test of the
                      Aircraft.

           11.5       If no Aircraft defect or discrepancy is revealed during
                      the inspection and/or the flight test referred to in
                      Article 11.1 and 11.2 above, Buyer shall accept the
                      Aircraft, on or before the last day of the Acceptance
                      Period in accordance with the provisions of Article 11.7.

           11.6       If any material defect or discrepancy in the Aircraft is
                      revealed by Buyer's inspection and/or the flight test, the
                      defect or discrepancy shall be corrected by Bombardier, at
                      no cost to Buyer, before the acceptance of the Aircraft by
                      Buyer which

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                      acceptance may occur during or after the Acceptance
                      Period depending on the nature of the defect or
                      discrepancy and of the time required for correction.
                      If such correction reasonably requires an additional
                      flight test, such flight test shall be carried out
                      for up to [*] or for such duration as both parties
                      may reasonably require to demonstrate that the defect
                      or discrepancy is cured. Immediately thereafter Buyer
                      shall accept the Aircraft in accordance with the
                      provisions of Article 11.7.

           11.7       Acceptance of the Aircraft shall be evidenced by
                      Buyer's designated representative signing a
                      Certificate of Acceptance for the Aircraft in the
                      form of Exhibit E attached hereto. The date of
                      signature of the Certificate of Acceptance shall be
                      the "Acceptance Date".

           11.8       Buyer shall provide Bombardier, prior to the Delivery Date
                      of each Aircraft, suitable evidence of the authority of
                      designated persons to sign, on behalf of Buyer, the
                      Certificate of Acceptance in respect of the Aircraft
                      together with specimen signatures of the persons so
                      authorized.

           11.9       On or before the Acceptance Date, Buyer or its designee
                      shall pay the balance of the Purchase Price in accordance
                      with Article 2 of Exhibit C and, concurrently with receipt
                      thereof, Bombardier shall deliver the Aircraft to Buyer
                      and Buyer shall take delivery thereof at Bombardier's
                      plant in the Province of Quebec. The date on which
                      Bombardier delivers and Buyer takes delivery of the
                      Aircraft shall be the "Delivery Date" as evidenced by the
                      execution of a Bombardier Bill of Sale and an FAA Bill of
                      Sale as referred to in Article 12.2 hereof.

           11.10      Execution of the Certificate of Acceptance by or on behalf
                      of Buyer shall be evidence that Buyer is deemed to have
                      examined the Aircraft and found it to be in accordance
                      with the provisions of this Agreement.

           11.11      Provided that Bombardier has met all of its obligations
                      under Article 11.6, should Buyer not accept, pay for
                      and/or take delivery of any one of the Aircraft within [*]
                      after the Acceptance Period of such Aircraft, Buyer shall
                      be deemed to be in default of the terms of this Agreement
                      and without prejudice to any other rights or recourse
                      Bombardier may have, including termination as specified in

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                      Article 18.2, the unpaid balance of the Purchase Price and
                      any overdue amount shall immediately become due and
                      payable; and Buyer shall promptly, upon demand, reimburse
                      Bombardier for all costs and expenses reasonably incurred
                      by Bombardier as a result of Buyer's failure to accept,
                      and/or pay for and/or take delivery of the Aircraft,
                      including but not limited to reasonable amounts for
                      storage, insurance, taxes, preservation or protection of
                      the Aircraft.

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<PAGE>   24


12.0       TITLE AND RISK

           12.1       The risk of loss of or damage to each Aircraft shall pass
                      to Buyer, together with title to such Aircraft, at the
                      Delivery Date of such Aircraft.

           12.2       Upon transfer of title of the Aircraft to Buyer pursuant
                      to the provisions of Article 12.1, Bombardier shall
                      execute and give to Buyer a FAA Bill of Sale and a
                      warranty Bill of Sale in the form of Exhibit F attached
                      hereto.

           12.3       At the time title to the Aircraft transfers to Buyer on
                      the Delivery Date pursuant to the provision of Article
                      12.1 the Aircraft shall be free and clear of the liens,
                      claims, charges and encumbrances of every kind whatsoever
                      except for those liens, charges or encumbrances created by
                      or claimed through Buyer.

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<PAGE>   25


13.0       CUSTOMER SUPPORT SERVICES AND WARRANTY

           13.1       Bombardier shall provide to Buyer the Customer Support
                      Services pursuant to the provisions of Exhibit H attached
                      hereto.

           13.2       Bombardier shall provide to Buyer the Warranty and the
                      Service Life Policy described in Exhibit J attached hereto
                      which shall be the exclusive warranty applicable to the
                      Aircraft.

           13.3       Unless expressly stated otherwise, the services referred
                      to in Articles 13.1 and 13.2 above, are incidental to the
                      sale of the Aircraft and are included in the Purchase
                      Price.
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<PAGE>   26


14.0       TAXES, DUTIES AND LICENSES

           14.1       The Purchase Price does not include any taxes, fees or
                      duties including, but not limited to, sales, use, value
                      added (including the Goods and Services Tax), personal
                      property, gross receipts, franchise, excise taxes,
                      assessments or duties, which are or may be imposed by law
                      upon Bombardier, any affiliate of Bombardier, or Buyer or
                      the Aircraft whether or not there is an obligation for
                      Bombardier to collect same from Buyer, by any taxing
                      authority or jurisdiction occasioned by, relating to or as
                      a result of the sale, lease, delivery, storage, use or
                      other consumption of any Aircraft, BFE or any other
                      matter, good or service provided for under or in
                      connection with this Agreement. Providing that Buyer is
                      purchasing the Aircraft for direct export from Canada upon
                      delivery and does not divert the Aircraft for use in
                      Canada, Bombardier represents that according to the law in
                      force at the time of execution of this Agreement, there
                      are no Canadian taxes payable with respect to the Aircraft
                      which Buyer would become obligated to pay pursuant to this
                      Article 14.

           14.2       Any tax, fee, duty, or assessment referred to in Article
                      14.1 above shall be paid by Buyer. Bombardier shall notify
                      Buyer of any tax, fee, duty or assessment referred to in
                      Article 14.1 above including interest and penalties, that
                      any taxing authority or jurisdiction is seeking to collect
                      from Bombardier, and Buyer agrees to promptly, but in any
                      event no later than ten (10) working days after receiving
                      such notice, pay same directly to the taxing authority or
                      jurisdiction, or to reimburse Bombardier for said tax,
                      duty or assessment, including interest and penalties, or
                      to contest same and assume the defense against imposition
                      thereof at its sole cost and expense (which may require
                      the payment of such tax or duty during the contestation
                      process) and to hold Bombardier harmless from any such
                      imposition. If Buyer does not make timely payment directly
                      to the taxing authority or jurisdiction, or proceed with
                      contestation and timely defense, Bombardier may pay the
                      asserted tax, duty or assessment, including interest and
                      penalties, and Buyer shall, within thirty (30) calendar
                      days thereafter, reimburse Bombardier for any such payment
                      and all reasonable costs and expenses of Bombardier
                      (including reasonable attorney's fees).

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           14.3       Upon request, either party shall execute and deliver any
                      documents that either party deems necessary or desirable
                      in connection with any exemption from or reduction of or
                      the contestation of or the defence against any imposition
                      of taxes, duties or assessments referred to in Article
                      14.1 above.

           14.4       The obtaining of any import licences or authorities
                      required to import the Aircraft into any country outside
                      Canada shall be the responsibility of Buyer. Bombardier
                      shall, to the extent permitted by law, obtain a Canadian
                      export licence, if required to enable Buyer to export the
                      Aircraft from Canada subject to the prevailing export
                      control regulations pertaining at the Delivery Date.
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<PAGE>   28


15.0       LOSS OF OR DAMAGE TO AIRCRAFT

           If prior to the Delivery Date an Aircraft is lost, destroyed or in
           Bombardier's judgment damaged beyond repair (the "Total Loss
           Aircraft"), Bombardier shall promptly, but not later than [*]
           thereafter, notify Buyer of the earliest date that a replacement
           aircraft, which will reflect the Specification and which will be
           generally the same configuration or specification as the Total Loss
           Aircraft can reasonably be delivered, consistent with Bombardier's
           other contractual commitments and production capabilities. Unless
           Buyer notifies Bombardier within [*] after notice of the replacement
           aircraft's scheduled delivery that Buyer desires such replacement
           aircraft, this Agreement will be terminated as to the Total Loss
           Aircraft. In the event of such termination, Bombardier's sole
           liability and responsibility shall be limited to the obligation to
           return to Buyer the amounts paid by Buyer to Bombardier with respect
           to the Total Loss Aircraft less any amount overdue by Buyer to
           Bombardier under this Agreement. If Buyer timely notifies Bombardier
           that it wants such replacement aircraft, the parties shall amend this
           Agreement accordingly. Notwithstanding the foregoing, nothing herein
           shall obligate Bombardier to offer to deliver a replacement aircraft
           to Buyer if no aircraft are available or the production line is
           terminated.

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<PAGE>   29


16.0       INDEMNITY AGAINST PATENT INFRINGEMENT

           16.1       Subject to the provisions hereinafter set out in this
                      Article 16, Bombardier agrees to indemnify, protect, and
                      save harmless Buyer against any liability, losses, damages
                      or expenses excluding any incidental or consequential
                      damages and excluding any liability, losses, damages and
                      expenses or loss of profits in respect of or resulting
                      from any loss of use of the Aircraft (but including cost
                      of replacing the infringement on account of which use of
                      the Aircraft by Buyer is prevented as more fully provided
                      for in Article 16.2 below) resulting from any infringement
                      or alleged infringement of:

                      a.    any Canadian or United States patent; and

                      b.    any patent issued under the laws of any country
                            other than Canada or the United States in which
                            Buyer from time to time may lawfully operate the
                            Aircraft, provided that from time of design of the
                            Aircraft, accessory, equipment or part and until
                            infringement claims are resolved, such country and
                            the country in which the Aircraft is or are
                            permanently registered by Buyer have ratified and
                            adhered to and are at the time of any such actual or
                            alleged infringement contracting parties to the
                            Chicago Convention on International Civil Aviation
                            of December 7, 1944 including, without limitation,
                            Article 27 thereof and the International Convention
                            for the Protection of Industrial Property or have
                            enacted patent laws which recognize and give
                            adequate protection to inventions made by the
                            nationals of other countries which have ratified,
                            adhered to and are contracting parties to either of
                            the foregoing conventions.

                      The foregoing undertaking by Bombardier to indemnify,
                      protect and save harmless Buyer shall not apply in respect
                      of BFE.

           16.2       Subject to the provisions set out in this Article 16, if
                      any feature, part, accessory or equipment of the Aircraft
                      becomes the subject of any claim, suit of proceeding for
                      infringement of a patent as provided for in Article 16.1
                      above, or in the event of an adjudication that such
                      feature, part, accessory or equipment of the Aircraft
                      infringes patent as provided for in Article 16.1 above, or
                      if the use, lease or sale of such feature, part, 


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                      accessory or equipment of the Aircraft is enjoined,
                      Bombardier may, within a reasonable period of time, at its
                      option and expense:

                      a.      procure for Buyer the right under such patent
                              to use such feature, part, accessory or
                              equipment of the Aircraft; or

                      b.      obtain for Buyer permission from the
                              appropriate court or tribunal to use the
                              Aircraft; or

                      c.     replace, with Buyer's consent, such feature, part,
                             accessory or equipment of the Aircraft with one of
                             a similar nature and quality that is
                             non-infringing; or

                      d.     modify such feature, part, accessory or equipment
                             of the Aircraft to make same non-infringing in a
                             manner such as to keep it otherwise in compliance
                             with the requirements of this Agreement.

           16.3       Bombardier shall not be liable with respect to any actual
                      or alleged patent infringement to which this Article would
                      apply unless:

                      a.     in the event of a suit alleging infringement where
                             legal delay to reply is obligatory, Buyer gives
                             Bombardier written notice of such suit within ten
                             (10) calendar days after Buyer receives notice of
                             such suit, or in the event of a written claim
                             alleging infringement where no legal delay to reply
                             is obligatory, Buyer gives Bombardier written
                             notice of such claim within reasonable period of
                             time after Buyer receives such written claim;

                      b.     Buyer uses reasonable efforts, in full cooperation
                             with Bombardier, to reduce or mitigate any such
                             expenses, damages costs and royalties involved;

                      c.     Buyer furnishes promptly to Bombardier all data,
                             papers and records within its possession and any
                             other information or material within Buyer's
                             knowledge or control, necessary or useful to resist
                             and defend against such claim or suit; and

                      d.     Buyer refrains from making any payment and from
                             assuming any obligations, liabilities, expenses,


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                             damages, costs and royalties for which Bombardier
                             may be held liable, without prior written approval
                             of Bombardier (which shall not be unreasonably
                             withheld) or otherwise acting in a manner
                             prejudicial to such suit or claim.

           16.4       Bombardier shall have the option at any time and or from
                      time to time to conduct negotiations in its own name, or
                      in the name of Buyer, and to enter into a settlement or
                      settlements with the party or parties involved in the
                      infringement or alleged infringement and to intervene in
                      any suit or claim. Should Bombardier intervene in any such
                      suit or claim, it shall be entitled at any stage of
                      negotiations or proceedings to assume, conduct or control
                      the defence thereof. If Bombardier assumes such defence
                      and Buyer, in its interest, elects to participate therein,
                      it shall do so at its sole cost and expense.

           16.5       THE INDEMNITIES, OBLIGATIONS AND LIABILITIES ON THE PART
                      OF BOMBARDIER IN THIS ARTICLE ARE UNDERTAKEN BY BOMBARDIER
                      AND ACCEPTED BY BUYER IN LIEU OF ANY AND ALL OTHER
                      INDEMNITIES, OBLIGATIONS AND LIABILITIES EXPRESS OR
                      IMPLIED, ARISING IN FACT, CONTRACT, LAW OR OTHERWISE, TO
                      WHICH BOMBARDIER MIGHT OTHERWISE BE LIABLE IN RESPECT OF
                      ANY PATENT INFRINGEMENT OR ALLEGED PATENT INFRINGEMENT BY
                      THE AIRCRAFT OR PART THEREOF, OR UNDER ANY PATENT RIGHT OR
                      RIGHT TO PATENT, AND SUCH INDEMNITIES, OBLIGATIONS AND
                      LIABILITIES SHALL NOT BE EXTENDED, ALTERED OR VARIED
                      EXCEPT IN WRITING SIGNED BY BOMBARDIER AND BUYER UNDER THE
                      HAND OF THEIR RESPECTIVE DULY AUTHORIZED REPRESENTATIVE.

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<PAGE>   32


17.0       LIMITATION OF LIABILITY

           BOMBARDIER SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL, SPECIAL,
           INCIDENTAL AND/OR PUNITIVE DAMAGES OF ANY KIND OR NATURE UNDER ANY
           CIRCUMSTANCES, NOR FOR ANY LOSSES OR DAMAGES FOR OR ARISING OUT OF
           ANY LACK OR LOSS OF USE OF ANY AIRCRAFT, ANY EQUIPMENT, ANY SPARE
           PARTS, GROUND SUPPORT EQUIPMENT OR TECHNICAL PUBLICATIONS PROVIDED
           HEREUNDER.


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<PAGE>   33


18.0       TERMINATION

           18.1       This Agreement may be terminated in whole or in part
                      before the Delivery Date by either party by notice of
                      termination to the other party upon the occurrence of any
                      of the following events:

                      a.     a party makes an assignment for the benefit of
                             creditors or admits in writing its inability to
                             pay its debts; or

                      b.     a receiver or trustee is appointed for a party or
                             for substantially all of such party's assets and,
                             if appointed without such party's consent, such
                             appointment is not discharged or stayed within [*]
                             calendar days thereafter; or

                      c.     proceedings or action under any law relating to
                             bankruptcy, insolvency or the reorganization or
                             relief of debtors are instituted by or against a
                             party, and, if contested by such party, are not
                             dismissed or stayed within [*] calendar days
                             thereafter; or

                      d.     any writ of attachment or execution or any similar
                             process is issued or levied against a party or any
                             significant part of its property and is not
                             released, stayed, bonded or vacated within [*]
                             after its issue or levy.

           18.2       In addition, Bombardier may terminate this Agreement in
                      whole or in part before the Delivery Date with respect to
                      any undelivered Aircraft by notice of termination to
                      Buyer:

                      a.     if Buyer is in default as provided in Article 
                             11.11 hereof; or

                      b.     if Buyer is in default or breach of any material
                             term or condition of this Agreement (including any
                             payment obligation other than that of the Purchase
                             Price) and Buyer does not cure such default or
                             breach within [*] days after receipt of notice from
                             Bombardier specifying such default or breach.

           18.3       In addition, Buyer may terminate this Agreement in whole
                      or in part before the Delivery Date, with respect to any
                      undelivered Aircraft, if Bombardier is in default or
                      breach of any material term or condition of this Agreement
                      and such breach remains



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<PAGE>   34




                      uncured for a period of [*] calendar days following
                      receipt of a notice from Buyer specifying the nature of
                      default or breach.

           18.4       In case of termination of this Agreement by Bombardier
                      pursuant to Articles 18.1 and 18.2:

                      a.     all rights (including property rights), if any,
                             which Buyer may have or may have had in or to this
                             Agreement or the undelivered Aircraft shall become
                             null and void with immediate effect;

                      b.     all rights (including property rights and the right
                             to sell the Aircraft to another party, if any) in
                             and to the undelivered Aircraft shall be vested
                             with Bombardier free and clear of any ownership or
                             title rights, if any, liens, charges or
                             encumbrances; and

                      c.     all amounts paid by Buyer shall be retained by
                             Bombardier and shall be applied against the
                             costs, expenses, losses and damages incurred by
                             Bombardier as a result of Buyer's default
                             and/or the termination of this Agreement. Buyer
                             hereby acknowledges and recognizes that
                             Bombardier shall have all rights permitted by
                             law to recover from Buyer such costs, expenses,
                             losses and damages and, in any event, such
                             costs, expenses, losses and damages will
                             aggregate not less than the amount retained by
                             Bombardier pursuant to this Article 18.4 c.,
                             provided however that nothing herein contained
                             shall entitle Bombardier to obtain any
                             duplication of payment.


                  18.5       In the event of termination of this Agreement
                             by Buyer, Buyer's sole rights, remedies and
                             recourses against Bombardier and Bombardier's
                             obligations to Buyer shall be limited to, and
                             only to, the return by Bombardier of those
                             amounts paid by Buyer to Bombardier hereunder
                             on account of the undelivered Aircraft [*].

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19.0       ASSIGNMENT

           19.1       Either party may assign, sell, transfer or dispose of (in
                      whole or in part) any of its rights and obligations
                      hereunder as follows:

                      i)     In the case of Buyer [*]

                      ii)    In the case of Bombardier to [*]

                      provided that in either case there is no increase to the
                      liability and/or responsibility of the non-assigning party
                      and that the assigning party remains jointly and severally
                      liable with any assignee for the performance of the
                      assignee's obligations under this Agreement.

           19.2       Except as provided in Article 19.1 above, Buyer shall not
                      assign, sell, transfer or dispose of (in whole or in part)
                      any of its rights or obligations hereunder without
                      Bombardier's prior written consent. In the event of such
                      assignment, sale, transfer or disposition Buyer shall
                      remain jointly and severally liable with any assignee for
                      the performance of all and any of Buyer's obligations
                      under this Agreement and Bombardier reserves the right to
                      amend one or more of the terms and conditions of this
                      Agreement.

           19.3       Notwithstanding Article 19.2 above, and other than for the
                      purposes of Article 19.5 below, after transfer of title of
                      an Aircraft Buyer may, with Bombardier's prior written
                      consent and subject to Bombardier's right to amend one or
                      more of the terms and conditions of this Agreement, resell
                      such Aircraft to a third party purchaser, provided said
                      third party agrees in writing with Bombardier that
                      Bombardier's sole and exclusive obligations and
                      liabilities to said third party shall be those set forth
                      in the basic Airframe warranties and Service Life Policy
                      warranties, as applicable, that Bombardier may provide
                      from time to time to other customers and also provided
                      that there is no increase to the liability and/or
                      responsibility of Bombardier.

           19.4       Bombardier may assign any of its rights to receive money
                      hereunder without the prior consent of Buyer.

           19.5       Notwithstanding the other provisions of this Article 19,
                      either party shall, at the other parties cost 


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                      and expense, if requested in writing by the other party,
                      take any action reasonably required, including without
                      limitation giving prior written consent to an assignment,
                      for the purpose of causing any of the Aircraft to be
                      subjected, on or after the Delivery Date, to a trust,
                      lease, conditional sale, lien or other arrangement for the
                      financing of the Aircraft, providing, however, there shall
                      be no increase to the liability and/or responsibility of
                      the other party arising through such financing.
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20.0       NOTICES

           20.1       Any notice, request, approval, permission, consent or
                      other communication ("Notice"), to be given or required
                      under this Agreement shall be provided in writing by the
                      party giving the Notice and shall be addressed as follows:

                      a.     Notice to Bombardier shall be addressed to:

                             Bombardier Inc.
                             Bombardier Aerospace, Regional Aircraft
                             123 Garratt Boulevard
                             Downsview, Ontario
                             Canada M3K 1Y5
                             Attention: Director of Contracts, The America's

                             Facsimile:     (416) 375-4533

                      b. Notice to Buyer shall be addressed to:

                             Notice by mail:

                             Comair, Inc.
                             P.O. Box 75021
                             Cincinnati, Ohio
                             U.S.A., 45275
                             Attention: Chief Financial Officer
                             Facsimile: (606) 767-2278

                             Notice by courier:

                             Comair, Inc.
                             2258 Tower Drive
                             Erlanger, Kentucky
                             U.S.A., 41018

                             Attention: Chief Financial Officer
                             Facsimile: (606) 767-2278

           20.2       Notice  given in  accordance  with  Article  20.1 shall 
                      be deemed sufficiently given to and received by the
                      addressees:

                      a.     if delivered by hand, on the day when the same
                             shall have been so delivered; or
 
                      b.     if mailed or couriered,  on the day indicated on 
                             the corresponding acknowledgement of receipt;
                             or
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                      c.     if sent by telex or facsimile on the day indicated
                             by the acknowledgement or the answer back of the
                             receiver in provable form.



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21.0       CONFIDENTIAL NATURE OF AGREEMENT

           21.1       This Agreement is confidential between the parties and
                      shall not, without the prior written consent of the other
                      party, be disclosed by either party in whole or in part to
                      any other person or body except insofar as may be
                      necessary for either party to carry out its obligations
                      under this Agreement or by law or as required by financial
                      institutions involved with financing of the Aircraft. If
                      one party is required by legal proceedings or a court
                      order to disclose this Agreement in whole or in part, such
                      party shall promptly notify the other party in order to
                      allow it, if it deems it necessary, to intervene in or
                      contest such legal proceedings or make representations to
                      the court. Without limiting the foregoing, Buyer agrees to
                      request confidential treatment to the maximum extent
                      possible for any material that must be filed with the
                      Securities and Exchange Commission with respect to any
                      contractual clauses and conditions relating to price,
                      delivery positions, price escalation and financing. Buyer
                      agrees to discuss and review with Bombardier such material
                      before release to any third party.

           21.2       Except as may be reasonably required for the normal
                      operation, maintenance, overhaul, and repair of the
                      Aircraft, Buyer shall hold confidential all technical data
                      and information supplied by or on behalf of Bombardier.
                      Buyer shall not reproduce any technical data or
                      information or divulge the same to any third party without
                      the prior written consent of Bombardier.

           21.3       Either party may announce the signing of this Agreement by
                      means of a notice to the press provided that the content
                      and date of the notice has been agreed to by the other
                      party.

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22.0       SUCCESSORS

           This Agreement shall inure to the benefit of and be binding upon each
           of Bombardier and Buyer and their respective successors.

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23.0       APPLICABLE LAWS

           THIS AGREEMENT SHALL BE SUBJECT TO, CONSTRUED IN ACCORDANCE WITH, AND
           THE RIGHTS OF THE PARTIES SHALL BE GOVERNED BY THE LAWS OF THE STATE
           OF NEW YORK.


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24.0       AGREEMENT

           24.1       This Agreement and the matters referred to herein
                      constitute the entire agreement between Bombardier and
                      Buyer and supersede and cancel all prior representations,
                      brochures, alleged warranties, statements, negotiations,
                      undertakings, letters, memorandums of agreement,
                      acceptances, agreements, understandings, contracts and
                      communications, whether oral or written, between
                      Bombardier and Buyer or their respective agents, with
                      respect to or in connection with the subject matter of
                      this Agreement and no agreement or understanding varying
                      the terms and conditions hereof shall be binding on either
                      Bombardier or Buyer hereto unless an amendment to this
                      Agreement is issued and duly signed by their respective
                      authorized representatives pursuant to the provisions of
                      Article 7 hereof. In the event of any inconsistencies
                      within the Agreement between this Purchase Agreement and
                      any of the Exhibits, Annexes or Letters of Agreement
                      referred to herein, the provisions of this Purchase
                      Agreement shall prevail except that when there is any
                      inconsistency between this Agreement and any Letter of
                      Agreement with respect to the subject matter covered by
                      the terms contained therein, then such Letter Agreement
                      shall prevail.

           24.2        If any of the provisions of this Agreement are for any
                       reason declared by judgment of a court of competent
                       jurisdiction to be unenforceable or ineffective, those
                       provisions shall be deemed severable from the other
                       provisions of this Agreement and the remainder of this
                       Agreement shall remain in full force and effect.

           24.3         THE OBLIGATIONS AND LIABILITIES OF BOMBARDIER, INCLUDING
                        THE WARRANTY AND SERVICE LIFE POLICY CONTAINED IN
                        EXHIBIT J ATTACHED AND THE LIMITATION OF LIABILITY
                        CONTAINED IN ARTICLE 17 OF THIS AGREEMENT, HAVE BEEN
                        EXPRESSED, DISCUSSED, UNDERSTOOD AND AGREED TO BETWEEN
                        BUYER AND BOMBARDIER IN CONSIDERATION OF THE PURCHASE
                        PRICE OF THE AIRCRAFT AND OTHER PROVISIONS OF THIS
                        AGREEMENT.

           24.4        Each party on a reasonable effort basis agrees, if asked
                       by the other party, to review and discuss the terms and
                       conditions of this Agreement to determine 

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                       if modification is required as contemplated
                       under Article 7.1 herein.

            24.5       Bombardier and Buyer confirm to each other that they have
                       each obtained the required authorizations and fulfilled
                       any conditions applicable to enable each of them to enter
                       into this Agreement.

           In witness thereof this Agreement was signed on the date written on
           page 4:

           For and on behalf of             For an on behalf of


           BUYER: COMAIR, INC.                       BOMBARDIER INC.:


           Per:/s/ DAVID A. SIEBENBURGEN     Per: /s/ ROBERT GILLESPIE

           Title: President                  Title:   President
                                                      Bombardier Aerospace,
                                                      Regional Aircraft


                                             Per: /S/JOHN GIRAUDY

                                             Title:   Sr. Vice President, Sales
                                                      Bombardier Aerospace,
                                                      Regional Aircraft
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<PAGE>   44

















                                    EXHIBIT A

 [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
 WITH THE COMMISSION.]


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                                    EXHIBIT B

 [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
 WITH THE COMMISSION.]


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                                    EXHIBIT C
                           PRICE AND PAYMENT SCHEDULE

1.0      PRICE

         1.1      (a)      The base price for each of the Aircraft
                           (excluding the Buyer Selected Optional Features) [*].

                  (b)      The base price of the Buyer Selected Optional 
                           Features is[*].

                           The Aircraft base price shall be the base price for
                           the Aircraft as stated in paragraph (a), plus the
                           base price of the Buyer Selected Optional Features as
                           stated in paragraph (b) ("Base Price").

         1.2      The price of the Aircraft shall be the Base Price adjusted for
                  changes made pursuant to Article 7 and any Regulatory Changes
                  pursuant to Article 7.3, and further adjusted to the Delivery
                  Date to reflect economic fluctuations during the period from
                  [*]. Such adjustments shall be based on the economic
                  adjustment formula attached as Exhibit B ("Economic Adjustment
                  Formula") but when adjusted, [*].

1.3      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED 
          SEPARATELY WITH THE COMMISSION.]

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2.0      PAYMENT

         2.1      Payment is as follows:

                  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND
                   FILED SEPARATELY WITH THE COMMISSION.]

         2.2      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                  AND FILED SEPARATELY WITH THE COMMISSION.]

         2.3      All amounts indicated in this Agreement are expressed in and
                  all payments shall be made in United States of America
                  currency, by wire transfer (unless another method acceptable
                  to Bombardier is subsequently notified in writing by
                  Bombardier) for credit to Bombardier's account in the
                  following manner:

           [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
           SEPARATELY WITH THE COMMISSION.]


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                               ANNEX TO EXHIBIT C

       [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
                        SEPARATELY WITH THE COMMISSION.]

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                                    EXHIBIT D
                                DELIVERY SCHEDULE


The Aircraft shall be offered to Buyer for acceptance pursuant to the provisions
of Article 9 in accordance with the following schedule:

                  AIRCRAFT                  SCHEDULED DELIVERY MONTH/YEAR

                    No. 1                            [*]
                    No. 2                            [*]
                    No. 3                            [*]
                    No. 4                            [*]
                    No. 5                            [*]
                    No. 6                            [*]
                    No. 7                            [*]
                    No. 8                            [*]
                    No. 9                            [*]
                    No. 10                           [*]
                    No. 11                           [*]
                    No. 12                           [*]
                    No. 13                           [*]
                    No. 14                           [*]
                    No. 15                           [*]
                    No. 16                           [*]
                    No. 17                           [*]
                    No. 18                           [*]
                    No. 19                           [*]
                    No. 20                           [*]

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                                    EXHIBIT E

                            CERTIFICATE OF ACCEPTANCE







         The undersigned hereby acknowledges on behalf of Buyer acceptance of
         the Aircraft bearing manufacturer's serial number ____________________
         fitted with two General Electric CF34-8C1 turbofan engines bearing
         serial number _____________________ and __________________ under the
         Agreement between Bombardier Inc., Bombardier Aerospace, Regional
         Aircraft and Buyer.




         Place:                                      Date:
               -----------------------                    ------------------



         Signed for and on behalf of

         Buyer:                                   Witnessed:
               -------------------------------    
         Per:                                     Per:
              --------------------------------        -----------------------
         Title:                                      Title:
               --------------------------------            ------------------

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                                    EXHIBIT F
                              WARRANTY BILL OF SALE

1.    FOR VALUABLE CONSIDERATIONS, BOMBARDIER INC., OWNER OF THE FULL LEGAL AND
      BENEFICIAL TITLE OF THE AIRCRAFT DESCRIBED AS FOLLOWS:

      ONE CANADAIR REGIONAL JET MODEL CL-600-2C10 AIRCRAFT BEARING:

              MANUFACTURER's SERIAL NO.:              __________________.       
              WITH:

              TWO CF34-8C1 ENGINES SERIAL NOS.:       __________________ AND
                                                      __________________.

           TOGETHER WITH ALL AVIONICS, APPLIANCES, INSTRUMENTS, APPURTENANCES,
           ACCESSORIES, FURNISHINGS AND/OR OTHER EQUIPMENT OR PROPERTY
           INCORPORATED IN OR INSTALLED ON OR ATTACHED TO SAID AIRCRAFT AND
           ENGINES (HEREINAFTER COLLECTIVELY REFERRED TO AS THE "AIRCRAFT").

      DOES THIS _______ DAY OF _________ 19___, HEREBY CONVEY, SELL, GRANT, 
      TRANSFER, BARGAIN AND DELIVER AND SENT OVER TO BUYER AND UNTO ITS 
      SUCCESSORS AND ASSIGNS FOREVER ALL OF BOMBARDIER INC.'S RIGHTS, TITLE AND 
      INTEREST IN AND TO THE AIRCRAFT.

2.    BOMBARDIER INC. REPRESENTS AND WARRANTS TO BUYER:

       (i)    THAT BOMBARDIER INC. HAS GOOD AND MARKETABLE TITLE TO THE
              AIRCRAFT AND THE GOOD AND LAWFUL RIGHT TO THE AIRCRAFT AND
              THE GOOD AND LAWFUL RIGHT TO SELL THE SAME; AND

      (ii)    THAT GOOD AND MARKETABLE TITLE TO THE AIRCRAFT IS HEREBY DULY
              VESTED IN BUYER FREE AND CLEAR OF ALL CLAIMS, LIENS, ENCUMBRANCES
              AND RIGHTS OF OTHERS OF ANY NATURE EXCEPT FOR THOSE CLAIMS, LIENS
              OR ENCUMBRANCES OR RIGHTS OF OTHER CREATED BY CLAIMS THROUGH
              BUYER. BOMBARDIER INC. HEREBY COVENANTS AND AGREES TO DEFEND SUCH
              TITLE FOREVER AGAINST ALL CLAIMS AND DEMANDS WHATSOEVER.

THIS FULL WARRANTY BILL OF SALE IS GOVERNED BY THE LAWS OF THE STATE OF NEW
YORK, UNITED STATES OF AMERICA.

IN WITNESS WHEREOF, Bombardier INC. AND BUYER HAVE CAUSED THIS INSTRUMENT TO BE
EXECUTED AND DELIVERED BY ITS DULY AUTHORIZED OFFICERS.

BUYER                                              BOMBARDIER INC.


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- -----------------                                             -----------------
TITLE                                                                  TITLE
DATE                                                                   DATE

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                                    EXHIBIT G

                                  CHANGE ORDER










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                              CONTRACT CHANGE ORDER


   PURCHASER:


   PURCHASE AGREEMENT NO.:                                      AIRCRAFT TYPE:

   C.C.O. NO.:                                                  DATED:



   PAGES AFFECTED:
- -------------------------------------------------------------------------------


   THIS AGREED CHANGE WAS THE SUBJECT OF DISCUSSION AND WAS ACCEPTED BY BOTH
   BOMBARDIER AND COMAIR, INC.
 

   1.0        TITLE OF CHANGE


   2.0        DESCRIPTION OF CHANGES



   3.0        REASON FOR CHANGE



   4.0        OTHER MATTERS



              4.1     OTHER



              4.1.1        This Contract Change Order No. ____ (the "Change
                           Order") and the matters referred to herein constitute
                           the entire agreement between Bombardier and Comair
                           and supersede and cancel all prior representations,
                           brochures, alleged warranties, statements,
                           negotiations, undertakings, letters, memorandums of
                           agreement, acceptances, agreements, understandings,
                           contracts and communications, whether oral or
                           written, between Bombardier and Comair or their
                           respective agents, with respect to or in connection
                           with the subject matter of this Change Order.

              4.1.2        All other terms and conditions of the Agreement 
                           remain unchanged.

- ------------------------------------------------------------------------------
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<PAGE>   55


   5.0        DELETE THE NON-APPLICABLE ARTICLES

              5.1     DELETE THE NON-APPLICABLE ARTICLES

              5.1.1        THE CHANGE DESCRIBED IN THIS CHANGE NOTICE IS
                           INTRODUCED UNDER THE PROVISIONS OF ARTICLE 7.1 -
                           AGREED CHANGE:

              5.1.2        BOTH BUYER AND BOMBARDIER AGREE TO THE ABOVE CHANGE
                           UNDER ARTICLE 7 OF THE AGREEMENT WITH THE EFFECTS AS
                           SHOWN.


   6.0        OTHER MATTERS


















      ALL OTHER TERMS AND CONDITIONS OF THE AGREEMENT WILL REMAIN UNCHANGED
      --------------------------------------------------------------------

   FOR AND ON BEHALF OF:                             FOR AND BEHALF OF:

   BOMBARDIER INC.                                   COMAIR, INC.


   ---------------------------                       -------------------------
   Bombardier Aerospace                              Comair, Inc.
   Regional Aircraft

   Date:  ____________________                       Date:  __________________

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

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                                    EXHIBIT H

                                AIRLINE SERVICES
                                ----------------
                               












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                                TABLE OF CONTENTS


ARTICLE 1 - TECHNICAL SUPPORT
- -----------------------------

1.1      Factory Service

1.2      Field Service Representative
         1.2.1        Period
         1.2.2        Responsibility
         1.2.3        Travel
         1.2.4        Office Facilities
         1.2.5        Right to Stop Work
         1.2.6        Work Permits and Clearances

          [*]

1.4      Additional Services

ARTICLE 2 - SPARE PARTS, GSE, TOOLS AND TEST EQUIPMENT
- -------------------------------------------------------

2.1      Definition

2.2      Applicability

2.3      Term

2.4      Buyer's Purchase Orders

2.5      Procedure for Ordering Spare Parts
         2.5.1        Communications
         2.5.2        Changes

2.6      Prices and Delivery

2.7      Shipment

2.8      Packing

2.9      Documents

2.10     Payment
         2.10.1       Payment Terms
         2.10.2       Payment for Provisioning Items
         2.10.3       Modified Terms of Payment

2.11     Purchase of Bombardier Parts

         [*]

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2.12     Vendor Parts
         2.12.1       Terms and Conditions
         2.12.2       Vendor Backstop

2.13     Provisioning
         2.13.1       Preprovisioning/Provisioning Conference
         2.13.2       Initial Provisioning Documentation
         [*]

2.14     General
         2.14.1       Quotations
         2.14.2       Lease of Bombardier Parts
         2.14.3       Warranty
         2.14.4       Additional Terms and Conditions
         [*]



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ARTICLE 3 - TECHNICAL DATA
- --------------------------

3.1      Technical Data Provided

3.2      [*]

3.3      Shipment

3.4      [*]

3.5      Proprietary Technical Data

3.6      Vendor Parts Service Bulletins

3.7      [*]

3.8      Warranty

3.9      Technical Assistance

ARTICLE 4 - TRAINING
- --------------------

4.1      General Terms
         4.1.1        Description
         4.1.2        Location
         4.1.3        Expenses
         4.1.4        Course Standard and Training Manual
         4.1.5        Training Conferences
         4.1.6        Timing

4.2      [*]

4.3      [*]


[*]

ARTICLE 5 - HOLD HARMLESS AND INSURANCE
- ---------------------------------------

5.1      Hold Harmless

5.2      Insurance

5.3      Disclaimer

5.4      Acknowledgement

ARTICLE 6 - GENERAL CONDITIONS
- ------------------------------

6.1      Definitions


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6.2      Price

6.3      Assignment

6.4      Provision of Information

6.5      Vendor Support


ANNEX A

List of Technical Data

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                                    EXHIBIT H
                                    ---------

                                AIRLINE SERVICES
                                ----------------


The following Airline Support Services are those services to which reference is
made in Article 13 of the Agreement to which this Exhibit is attached.

ARTICLE 1 - TECHNICAL SUPPORT
- -----------------------------

1.1      FACTORY SERVICE

         Bombardier agrees to maintain or cause to be maintained the capability
         to respond to Buyer's technical inquiries, to conduct investigations
         concerning repetitive maintenance problems and to issue findings and
         recommend action thereof. This service shall be provided for as long as
         [*] of the CL-600-2C10 aircraft remain in commercial air transport
         service.

1.2      FIELD SERVICE REPRESENTATIVE

         1.2.1        PERIOD

                      Bombardier shall provide field service representation
                      ("FSR") at Buyer's main base of operation in Cincinnati
                      and Florida or other location as may be mutually agreed.
                      Such assignment shall be for a term of [*]. The FSR(s)
                      will be knowledgeable in respect of both the CRJ 100 and
                      the CRJ 700. The FSR assignment may be extended on terms
                      and conditions to be mutually agreed upon.

         1.2.2        RESPONSIBILITY

                      The FSRs shall be licensed mechanics by the FAA or
                      equivalent. The FSR's responsibility shall be to provide
                      technical advice to Buyer for the line maintenance and
                      operation of the Aircraft systems and troubleshooting
                      during scheduled and unscheduled maintenance through
                      Buyer's designated personnel. The FSRs shall provide on
                      the job training to Buyer's personnel as requested at the
                      line maintenance level.


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         1.2.3        TRAVEL

                      If requested by Buyer the FSR may, at Buyer's expense,
                      travel to another location to provide technical advice to
                      Buyer. Buyer's expenses will include travel, lodging and
                      incidental expenses incurred by the FSR.

         1.2.4        OFFICE FACILITIES

                      Buyer shall furnish the FSR, for business purposes only,
                      at no charge to Bombardier, suitable and exclusive office
                      facilities and related equipment including desk, file
                      cabinet and access to telephone conveniently located at
                      Buyer's main base of operation or other location as may be
                      mutually agreed.

         1.2.5        RIGHT TO STOP WORK

                      Bombardier shall promptly advise Buyer and shall not be
                      required to commence or continue the FSR Services at
                      Buyer's work site when:

                      a.)        there is a labour dispute or work stoppage in
                                 progress at Buyer's facilities;

                      b.)        there exist war, risk of war or warlike
                                 operations, riots or insurrections;

                      c.)        there exist conditions that are dangerous to
                                 the safety or health of the FSR or other
                                 Bombardier employee; or

                      d.)        the Government of the country where Buyer's
                                 facilities are located or where Buyer desires
                                 the FSR to travel refuses the Bombardier
                                 employee permission to enter said country or
                                 Buyer's base of operations.

         1.2.6        WORK PERMITS AND CLEARANCES

                      Buyer shall arrange for all necessary work permits and
                      airport security clearances required for the FSR or other
                      Bombardier employee to permit timely accomplishment of the
                      FSR services.


P.A. No. 0431                                                            
                                      -H7-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   63


1.3      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
          SEPARATELY WITH THE COMMISSION.]

1.4      ADDITIONAL SERVICES

         At Buyer's request, Bombardier shall provide a proposal to provide such
         additional support services as the parties may agree upon, which may
         include special investigations, maintenance and repair of the Aircraft.

P.A. No. 0431                                                            
                                      -H8-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------


<PAGE>   64


ARTICLE 2 - SPARE PARTS, GSE, TOOLS AND TEST EQUIPMENT
- ------------------------------------------------------

2.1      DEFINITION

           2.1.1      In this Article 2, the following words and expressions
                      shall have the following meaning:

                      a.     "Bombardier Parts":

                             spare parts, ground support equipment, tools and
                             test equipment which bear a Bombardier Part Number
                             and/or an in-house Cage Number in the Bombardier
                             provisioning file as that expression is defined in
                             ATA Specification 200.

                      b.     "Power Plant Parts":

                             any power plant or power plant part or assembly
                             carrying the power plant manufacturer's part number
                             or any part furnished by the engine manufacturer
                             for incorporation on the Aircraft.

                      c.     "Vendor Parts":

                             any parts or items of equipment which are not
                             Bombardier Parts or Power Plant Parts.

                      d.     "Spare Parts":

                             all materials, spare parts, assemblies, special
                             tools and items of equipment, including ground
                             support equipment, ordered for the Aircraft by
                             Buyer from Bombardier. The term Spare Parts
                             includes Bombardier Parts, Power Plant Parts and
                             Vendor Parts.

                      e.     "Order":

                             any order for Spare Parts issued by Buyer to 
                             Bombardier.

2.2      APPLICABILITY

         The terms and conditions hereof shall apply to all orders for
         Bombardier Parts, Power Plant Parts and Vendor Parts placed by Buyer
         with Bombardier in lieu of any terms and conditions in Buyer's purchase
         orders. Buyer's purchase order terms and conditions that do not
         conflict with this Agreement shall apply.


P.A. No. 0431                                                            
                                      -H9-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   65


2.3      TERM

         As long as at least [*] are operated in commercial air transport
         service, Bombardier shall maintain, or cause to be maintained, a
         reasonable stock of Bombardier Parts.

2.4      BUYER'S PURCHASE ORDERS

         Buyer agrees that orders placed with Bombardier shall conform to the
         requirements and procedures contained in [*] as applicable to Buyer.

2.5      PROCEDURE FOR ORDERING SPARE PARTS

         2.5.1        COMMUNICATIONS

         Buyer        may place orders with Bombardier for Bombardier Parts,
                      Power Plant Parts and Vendor Parts by any method of order
                      placement (including but not limited to SITA, ARINC,
                      telecopier, telex, facsimile, telephone or other
                      telecommunication system or hard copy purchase order).

                      [CONFIDENTIAL  INFORMATION  APPEARING  HERE HAS BEEN  
                      OMITTED AND FILED  SEPARATELY  WITH THE COMMISSION.]


2.7      SHIPMENT

         2.7.1        Bombardier Parts, Power Plant Parts and Vendor Parts
                      ordered from Bombardier shall be delivered [*]
                      Bombardier's designated facilities.

         2.7.2        Bombardier shall use reasonable efforts so that shipment
                      of Bombardier Parts to Buyer be as follows:

                      a.     AOG ORDERS

                             Ship AOG orders within [*] of receipt of order.
                             Buyer's affected Aircraft factory production number
                             shall be required on AOG orders;

                      b.     CRITICAL ORDERS

                             Ship critical orders within [*] of order receipt;


P.A. No. 0431                                                            
                                      -H10-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   66


                      c.     EXPEDITE ORDERS

                             Ship expedite orders within [*] of order receipt;

                      d.     INITIAL PROVISIONING ORDERS

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]


P.A. No. 0431                                                            
                                      -H11-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   67


2.8      PACKING

         All prices shall include packing in accordance with [*]. All AOG orders
         shall be handled, processed, packed and shipped separately.

2.9      DOCUMENTS

         Bombardier shall include packing sheets with all shipping containers.
         Bombardier shall also include with the container a copy of the invoice
         for customs clearance. Bombardier agrees to notify Buyer when the
         material is shipped and shall provide carrier's reference information
         (waybill number).

2.10     PAYMENT

         2.10.1       PAYMENT TERMS

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]

         2.10.2       PAYMENT FOR INITIAL PROVISIONING ITEMS

                      Payment for Initial Provisioning Items (as later defined
                      in Article 2.13.1.c) shall be made by Buyer as follows:

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]

         2.10.3       MODIFIED TERMS OF PAYMENT

                      Bombardier reserves the right to alter the standard terms
                      of payment at any time by giving Buyer [*] prior written
                      notice of the new terms.

         2.11         PURCHASE OF BOMBARDIER PARTS


                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]

2.12     VENDOR PARTS

         2.12.1       TERMS AND CONDITIONS

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]


P.A. No. 0431                                                            
                                      -H12-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   68


2.13     PROVISIONING

         2.13.1       PREPROVISIONING/PROVISIONING CONFERENCE

                      Preprovisioning and provisioning conferences shall be
                      convened on dates to be mutually agreed to between Buyer
                      and Bombardier in order to:

                      a.     acquaint Buyer with Bombardier's provisioning 
                             system and available data;

                      b.     plan the provisioning program; and

                      c.     assist Buyer in the selection of Spare Parts
                             recommended by Bombardier for initial provisioning
                             of Spare Parts to be purchased from Bombardier or
                             vendors (the "Initial Provisioning Items").

         2.13.2 INITIAL PROVISIONING DOCUMENTATION

                      Initial provisioning documentation for Bombardier Parts
                      and Vendor Parts shall be provided by Bombardier as
                      follows:

                      a)   Bombardier shall provide, as applicable to Buyer, [*]
                           or as may be mutually agreed, the initial issue of
                           provisioning files as required by [*] (as may be
                           amended by Bombardier);

                      b) Bombardier shall provide, as required by Buyer, [*]

                      c)   the Illustrated Parts Catalogue designed to support
                           provisioning shall be issued concurrently with
                           provisioning data files and revised [*]

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]

P.A. No. 0431                                                            
                                      -H13-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------



<PAGE>   69


2.14     GENERAL

         2.14.1       QUOTATIONS

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]


         2.14.3       WARRANTY

                      Bombardier Parts and Vendor Parts purchased or furnished
                      under this Agreement shall be covered by the applicable
                      warranty provisions and the terms and conditions set forth
                      in Article 1 and Article 2 of Exhibit J.

         2.14.4       ADDITIONAL TERMS AND CONDITIONS

                      Bombardier's sales order shall incorporate the terms and
                      conditions stated herein. Additional terms and conditions
                      applicable at time of receipt of each order from Buyer may
                      be added providing such terms and conditions do not
                      conflict with the terms and conditions provided herein.
                      Such additional terms and conditions shall be provided to
                      Buyer at least [*] days prior to their effective date.

                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]





ARTICLE 3 - TECHNICAL DATA

3.1      TECHNICAL DATA PROVIDED

         Bombardier shall furnish to Buyer the technical data described in Annex
         A attached hereto ("Technical Data"). The Technical Data shall provide
         information on items manufactured according to Bombardier's detailed
         design and in those units of measures used in the Specification or as
         may otherwise be required to reflect Aircraft instrumentation as may be
         mutually agreed. The Technical Data and revisions thereto shall be
         prepared in the English language.


P.A. No. 0431                                                            
                                      -H14-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   70


3.2      [*]

         Unless otherwise noted in Annex A, all Technical Data shall be
         prepared generally in accordance with [*]

3.3      SHIPMENT

         All Technical Data provided hereunder shall be delivered to Buyer [*]
         Bombardier's designated facilities and at the time indicated in Annex
         A.

         3.4      [*]

3.5      PROPRIETARY TECHNICAL DATA

         It is understood and Buyer acknowledges that the Technical Data
         provided herein is proprietary to Bombardier and all rights to
         copyright belong to Bombardier and shall be kept confidential by Buyer.
         Buyer agrees to use the Technical Data solely as allowed by the
         Agreement. Technical Data shall not be disclosed to third parties or
         used by Buyer or furnished by Buyer for the design or manufacture of
         any aircraft or spare parts including Bombardier Parts or items of
         equipment, except as allowed by the Agreement or if the Agreement is
         terminated by Buyer as per Article 18.3 thereof.

3.6      VENDOR PARTS SERVICE BULLETINS

         Bombardier shall control Vendor Parts modification status by issuance
         of cover service bulletins for each Vendor Service Bulletin. Bombardier
         may give Buyer advance notice of approval for Vendor Service Bulletins
         prior to formal publication of the cover service bulletins.

3.7      [*]



P.A. No. 0431                                                            
                                      -H15-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   71


3.8      WARRANTY

         The warranty to Bombardier's Technical Data provided hereunder is set
forth in Article 1 of Exhibit J.

3.9      [*]

ARTICLE 4 - TRAINING
- --------------------

4.1      GENERAL TERMS

         4.1.1        DESCRIPTION


                      [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED
                      AND FILED SEPARATELY WITH THE COMMISSION.]



P.A. No. 0431                                                            
                                      -H16-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   72


                              ANNEX A TO EXHIBIT H

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]



P.A. No. 0431                                                            
                                      -HA1-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   73
















                                    EXHIBIT J



                        WARRANTY AND SERVICE LIFE POLICY
                        --------------------------------


P.A. No. 0431                                                            
                                      -J1-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   74


                                    EXHIBIT J

                        WARRANTY AND SERVICE LIFE POLICY

ARTICLE 1 - CANADAIR WARRANTY
- -----------------------------

1.1         Warranty
[*]

ARTICLE 2 - [*]-
- ----------------

ARTICLE 3 - SERVICE LIFE POLICY
- --------------------------------

[*]

ARTICLE 4 - GENERAL-
- ---------------------

ANNEX A - Covered Components

P.A. No. 0431                                                            
                                      -J2-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   75



                                    EXHIBIT J

                        WARRANTY AND SERVICE LIFE POLICY


This Exhibit J contains the terms and conditions applicable to the warranty (the
"Warranty") and service life policy (the "SLP") to which reference is made in
Article 13 of the Agreement to which this Exhibit is attached.

ARTICLE 1 - WARRANTY
- --------------------

1.1      WARRANTY


           [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
           SEPARATELY WITH THE COMMISSION.]


P.A. No. 0431                                                            
                                      -J3-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   76
















                                    EXHIBIT J
                                     ANNEX A

                               COVERED COMPONENTS





P.A. No. 0431                                                            
                                      -J4-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------

<PAGE>   77


                                    EXHIBIT J
                                     ANNEX A
                               COVERED COMPONENTS

       [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
                        SEPARATELY WITH THE COMMISSION.]







P.A. No. 0431                                                            
                                      -J5-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------


<PAGE>   78






                                    EXHIBIT K

 [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
 WITH THE COMMISSION.]




P.A. No. 0431                                                            
                                      -K1-
                                                 ------------------------
                                                 Initials
                                                 Buyer       Bombardier
                                                 ------------------------
<PAGE>   79





                      P.A. 0431 Index of Letter Agreements

         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED 
         SEPARATELY WITH THE COMMISSION.]




<PAGE>   80



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 01 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")

Subject:  OPTION AIRCRAFT

In consideration of Buyer having entered into the above referenced Agreement,
Bombardier agrees to reserve an additional [*] Canadair Regional Jet Series 700
Aircraft (the "Option Aircraft") for the benefit of Buyer under the following
general conditions:

1.0      The base price for each of the Option Aircraft (excluding the Buyer
         Selected Optional Features) [*] (Incoterms 1990) Bombardier's
         facilities in Dorval, Quebec, is [*]. The base price of the Buyer
         Selected Optional Features as listed in the Annex to Exhibit C of the
         Agreement is [*]. The Option Aircraft base price shall be the base
         price for the Option Aircraft plus the base price of the Buyer Selected
         Optional Features (the "Base Price").


LA No. 01 to P.A. 0431                  -1-
Comair Inc.


<PAGE>   81



2.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

3.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

4.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

5.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

6.0  Every time Buyer exercises its right to purchase the Option Aircraft
     hereunder, the payment terms set out in Article 2.1 (iii) to Exhibit C of
     the Agreement shall apply mutatis mutandis.

7.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

8.0  The Option Aircraft shall be manufactured to the same Specification as the
     Aircraft.

9.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

10.0 [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

11.0 A default under the Agreement which leads to a termination shall constitute
     a default and a termination under this Letter Agreement.

12.0 [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.


LA No. 01 to P.A. 0431                  -2-
Comair Inc.


<PAGE>   82

When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/ Robert Gillespie
- --------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO


LA No. 01 to P.A. 0431                  -3-
Comair Inc.

<PAGE>   83



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO.02 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")



[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.




LA No. 02 to P.A. 0431                 -1-
Comair Inc.

<PAGE>   84



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted

this 30th day of September 1998

COMAIR INC.




/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 02 to P.A. 0431                 -2-
Comair Inc.


<PAGE>   85




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO.03 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")



         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]



This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.


LA No. 03 to P.A. 0431                 -1-
Comair Inc.

<PAGE>   86



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 03 to P.A. 0431                 -2-
Comair Inc.

<PAGE>   87





September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275


Dear Sirs,

Letter Agreement No. 04 to Purchase Agreement No. 0431 (the "Agreement") between
Bombardier Inc. ("Bombardier") and Comair, Inc ("Buyer") relating to the
purchase of twenty (20) Canadair Regional Jet Series 700 aircraft (the
"Aircraft")


         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED 
         SEPARATELY WITH THE COMMISSION.]


This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.



LA No. 04 to P.A. 0431                 -1-
Comair Inc.

<PAGE>   88




When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 04 to P.A. 0431                 -2-
Comair Inc.

<PAGE>   89



                                    OPTION 1


[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
                              WITH THE COMMISSION.]





LA No. 04 to P.A. 0431                 -3-
Comair Inc.

<PAGE>   90



                                    OPTION 2


[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]







LA No. 04 to P.A. 0431                 -4-
Comair Inc.

<PAGE>   91




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275



Dear Sirs,

LETTER AGREEMENT NO.05 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")


[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
 WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.



LA No. 05 to P.A. 0431                  -1-
Comair Inc.

<PAGE>   92



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO




LA No. 05 to P.A. 0431                  -2-
Comair Inc.

<PAGE>   93




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275



Dear Sirs,

LETTER AGREEMENT NO. 06 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")


         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.] 

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.



LA No. 06 to P.A. 0431                  -1-
Comair Inc.

<PAGE>   94



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 06 to P.A. 0431                  -2-
Comair Inc.

<PAGE>   95




September 30, 1998



Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275



Dear Sirs,

LETTER AGREEMENT NO. 07 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")


         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED 
         SEPARATELY WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.




LA No. 07 to P.A. 0431                  -1-
Comair Inc.

<PAGE>   96



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 07 to P.A. 0431                  -2-
Comair Inc.

<PAGE>   97



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275



Dear Sirs,

LETTER AGREEMENT NO. 08 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")


1.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

2.0  [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
     SEPARATELY WITH THE COMMISSION.]

3.0  In the event of the termination of the Agreement, this Letter Agreement
     shall become automatically null and void.

4.0  The provisions of this Letter Agreement are personal to Buyer and shall not
     be assigned, transferred or otherwise disposed of by Buyer without the
     prior written consent of Bombardier.


This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.

When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.


LA No. 08 to P.A. 0431                   -1-
Comair Inc.


<PAGE>   98



Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.




/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 08 to P.A. 0431                   -2-
Comair Inc.

<PAGE>   99



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. Box 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 09 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")




[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]

         This Letter Agreement constitutes an integral part of the Agreement and
         subject to the terms and conditions contained therein.



LA No. 09 to P. A. 0431                  -1-
Comair Inc.

<PAGE>   100



Should there be any inconsistency between this Letter Agreement and the
Agreement with respect to the subject matter covered by the terms hereof, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER Inc.




/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.




/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO


LA No. 09 to P.A. 0431                 -2-
Comair Inc.

<PAGE>   101



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 10 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT").

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]

         This Letter Agreement constitutes an integral part of the Agreement and
         is subject to the terms and conditions contained therein.


When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.



LA No. 10 to P.A. No. 0431             -1-
Comair Inc.

<PAGE>   102



If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, 
BOMBARDIER INC.




/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft




/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted:
this 30th day of September, 1998

COMAIR, INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 10 to P.A. No. 0431             -2-
Comair Inc.

<PAGE>   103



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. Box 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 11 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")





LA No. 11 to P.A. 0431                 -1-
Comair Inc.


<PAGE>   104



         The provisions of this Letter Agreement are personal to Buyer and shall
         not be assigned or otherwise disposed of by Buyer without the prior
         written consent of Bombardier.

         This Letter Agreement constitutes an integral part of the Agreement and
         subject to the terms and conditions contained therein.


Should there be any inconsistency between this Letter Agreement and the
Agreement with respect to the subject matter covered by the terms hereof, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO


LA No. 11 to P.A. 0431                 -2-
Comair Inc.


<PAGE>   105



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 12 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")

This Letter Agreement is personal to Buyer and shall be kept confidential by
Buyer and shall not be assigned under any conditions to any other party.




LA No. 12 to P.A. No. 0431             -1-
Comair Inc.

<PAGE>   106



This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.

When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.


Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 12 to P.A. No. 0431             -2-
Comair Inc.

<PAGE>   107



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 13 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")


         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED
         SEPARATELY WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.




LA No. 13 to P.A. 0431                 -1-
Comair Inc.

<PAGE>   108



The provisions of this Letter Agreement are personal to Buyer and shall not be
assigned or otherwise disposed of by Buyer without the prior written consent of
Bombardier.

When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 13 to P.A. 0431                 -2-
Comair Inc.

<PAGE>   109



                                   APPENDIX A

                             ADMCG VALUE ASSUMPTIONS

[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]







LA No. 13 to P.A. 0431                 -3-
Comair Inc.


<PAGE>   110



September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 14 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT")

         BUYER AND CANADAIR STATE AND AGREE THAT THIS LETTER AGREEMENT INCLUDING
         BUT NOT LIMITED TO SUBARTICLE 6.1 ABOVE, HAS BEEN THE SUBJECT OF
         DISCUSSION AND NEGOTIATION AND IS FULLY UNDERSTOOD BY THE PARTIES
         HERETO AND THAT THE PRICE OF THE AIRCRAFT AND THE OTHER MUTUAL
         AGREEMENTS OF THE PARTIES SET FORTH IN THE AGREEMENT WERE ARRIVED AT IN
         CONSIDERATION OF THE PROVISIONS CONTAINED IN THE SUBARTICLE 6.2,
         SUBARTICLE 6.1 ABOVE AND THE OTHER PROVISIONS OF THIS LETTER AGREEMENT.

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.


LA No. 14 to P.A. 0431                 -1-
Comair Inc.

<PAGE>   111



When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 14 to P.A. 0431                 -2-
Comair Inc.

<PAGE>   112




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275



Dear Sirs,

LETTER AGREEMENT NO. 15 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT").


[CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED SEPARATELY
WITH THE COMMISSION.]





LA No. 15 to P.A. No. 0431             -1-
Comair Inc.

<PAGE>   113



If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft

Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO


LA No. 15 to P.A. No. 0431             -2-
Comair Inc.

<PAGE>   114




September 30, 1998




Comair, Inc.
Greater Cincinnati International Airport
P.O. 75021
Cincinnati, Ohio
USA, 45275




Dear Sirs,

LETTER AGREEMENT NO. 16 TO PURCHASE AGREEMENT NO. 0431 (THE "AGREEMENT") BETWEEN
BOMBARDIER INC. ("BOMBARDIER") AND COMAIR, INC. ("BUYER") RELATING TO THE
PURCHASE OF TWENTY (20) CANADAIR REGIONAL JET SERIES 700 AIRCRAFT (THE
"AIRCRAFT").


         [CONFIDENTIAL INFORMATION APPEARING HERE HAS BEEN OMITTED AND FILED 
         SEPARATELY WITH THE COMMISSION.]

This Letter Agreement constitutes an integral part of the Agreement and is
subject to the terms and conditions contained therein.

When there is any inconsistency between this Letter Agreement and the Agreement
with respect to the subject matter covered by the terms contained herein, then
this Letter Agreement shall prevail.


LA No. 16 to P.A. No. 0431             -1-
Comair Inc.

<PAGE>   115



If the foregoing correctly sets forth your understanding of our agreement with
respect to the above matters, please indicate your acceptance and agreement
below.

Yours very truly, 
BOMBARDIER INC.



/s/Robert Gillespie
- -------------------
Robert Gillespie
President
Bombardier Aerospace, Regional Aircraft



/s/John Giraudy
- ---------------
John Giraudy
Sr. Vice President, Sales
Bombardier Aerospace, Regional Aircraft


Acknowledged and Accepted
this 30th day of September 1998

COMAIR INC.



/s/Randy Rademacher
- -------------------
Randy Rademacher
Senior Vice President, Finance & CFO



LA No. 16 to P.A. No. 0431             -2-
Comair Inc.


<TABLE> <S> <C>

<ARTICLE> 5
<CIK> 0000835344
<NAME> COMAIR HOLDINGS, INC.
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             JUL-01-1998
<PERIOD-END>                               SEP-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                     178,595,334
<SECURITIES>                                71,528,263
<RECEIVABLES>                               18,131,908
<ALLOWANCES>                                         0
<INVENTORY>                                 19,778,569
<CURRENT-ASSETS>                           341,330,814
<PP&E>                                     461,753,787
<DEPRECIATION>                             128,128,140
<TOTAL-ASSETS>                             695,207,937
<CURRENT-LIABILITIES>                      114,710,389
<BONDS>                                    107,372,575
                                0
                                          0
<COMMON>                                     5,552,955
<OTHER-SE>                                 383,447,963
<TOTAL-LIABILITY-AND-EQUITY>               695,207,937
<SALES>                                              0
<TOTAL-REVENUES>                           195,012,191
<CGS>                                                0
<TOTAL-COSTS>                              142,098,437
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           1,804,484
<INCOME-PRETAX>                             55,101,099
<INCOME-TAX>                                20,510,000
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                34,591,099
<EPS-PRIMARY>                                      .52
<EPS-DILUTED>                                      .52
        

</TABLE>


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