ADVANCED AERODYNAMICS & STRUCTURES INC/
DEF 14A, 1998-04-30
AIRCRAFT
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                    ADVANCED AERODYNAMICS & STRUCTURES, INC.

                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

                            To Be Held July 20, 1998




TO THE SHAREHOLDERS OF
ADVANCED AERODYNAMICS & STRUCTURES, INC.:

         You are cordially  invited to attend the Annual Meeting of Shareholders
of Advanced  Aerodynamics & Structures,  Inc.  ("AASI" or the "Company") , which
will be held in the Earhart Room, Marriott Hotel, 4700 Airport Plaza Drive, Long
Beach,  California 90815, on Monday,  July 20, 1998, at 10:00 a.m. Pacific time,
to consider and act upon the following matters:

         1.       The election of directors;

         2.       Approval of the Company's 1998 Stock Option Plan;

         3.       Ratification of the selection of Ernst & Young LLP to serve as
                  auditors of the  Company  for the fiscal year ending  December
                  31, 1998; and

         4.       Such other business as may properly come before the Meeting or
                  any adjournments of the Meeting.

         Only  holders of record of Common  Stock of the Company at the close of
business on May 31, 1998 will be entitled to notice of and to vote at the Annual
Meeting and any adjournments of the Annual Meeting.

         IT IS  IMPORTANT  THAT  YOUR  SHARES  BE  REPRESENTED  AT  THE  MEETING
REGARDLESS  OF THE  NUMBER OF SHARES  YOU HOLD.  YOU ARE  INVITED  TO ATTEND THE
MEETING IN PERSON, BUT WHETHER OR NOT YOU PLAN TO ATTEND, PLEASE COMPLETE, DATE,
SIGN AND RETURN  THE  ACCOMPANYING  PROXY IN THE  ENCLOSED  ENVELOPE.  IF YOU DO
ATTEND THE  MEETING,  YOU MAY,  IF YOU  PREFER,  REVOKE YOUR PROXY AND VOTE YOUR
SHARES IN PERSON.


                                          By Order of the Board of Directors



                                          Carl Chen, Ph.D.
                                          Chairman of the Board,
                                          President and Chief Executive Officer

3501 Lakewood Blvd.
Long Beach, California 90808
(562) 938-8618
June 1, 1998



<PAGE>



                                 PROXY STATEMENT

                    ADVANCED AERODYNAMICS & STRUCTURES, INC.

                             3501 Lakewood Boulevard
                          Long Beach, California 90808
                              --------------------

                         ANNUAL MEETING OF SHAREHOLDERS

                            To Be Held July 20, 1998


         This Proxy Statement is furnished in connection  with the  solicitation
of proxies by the Board of  Directors  of Advanced  Aerodynamics  &  Structures,
Inc., a Delaware  corporation  (the  Company)  for use at the Annual  Meeting of
Shareholders to be held in the Earhart Room,  Marriott Hotel, 4700 Airport Plaza
Drive,  Long Beach,  California  90815, on Monday,  July 20, 1998, at 10:00 a.m.
Pacific time, and at any and all adjournments thereof (the Annual Meeting),  for
the  purposes  set  forth  in the  accompanying  Notice  of  Annual  Meeting  of
Shareholders. Accompanying this Proxy Statement is the Board of Directors' Proxy
for the  Annual  Meeting,  which  you may use to  indicate  your  vote as to the
proposals described in this Proxy Statement.

         All Proxies  which are properly  completed,  signed and returned to the
Company prior to the Annual  Meeting,  and which have not been revoked,  will be
voted  in  favor of the  proposals  described  in this  Proxy  Statement  unless
otherwise directed. A Shareholder may revoke his or her Proxy at any time before
it is voted either by filing with the Secretary of the Company, at its principal
executive  offices,  a written  notice of revocation  or a duly  executed  proxy
bearing a later date or by attending the Annual  Meeting and expressing a desire
to vote his or her shares in person.

         The close of business on May 31, 1998 has been fixed as the record date
for the  determination of Shareholders  entitled to notice of and to vote at the
Annual Meeting or any adjournment of the Annual Meeting.  As of the record date,
the Company had outstanding: 6,999,676 shares of Class A Common Stock, par value
$.0001 per share; 1,900,324 shares of Class B Common Stock, par value $.0001 per
share;  4,000,000  shares of Class E-1 Common Stock, par value $.0001 per share;
and 4,000,000  shares of Class E-2 Common Stock, par value $.0001 per share. The
Class A Common Stock, Class B Common Stock, Class E-1 Common Stock and Class E-2
Common  Stock are  substantially  identical,  except that the holders of Class A
Common Stock have the right to cast one vote,  and the holders of Class B Common
Stock, Class E-1 Common Stock, and Class E-2 Common Stock have the right to cast
five votes, for each share held of record on all matters  submitted to a vote of
the holders of Common Stock,  including  the election of directors.  The Class A
Common Stock,  Class B Common Stock, Class E-1 Common Stock and Class E-2 Common
Stock vote together as a single class on all matters on which  stockholders  may
vote,  including  the  election  of  directors,  except  when voting by class is
required by applicable law. Holders of the Class A Common Stock,  Class B Common
Stock,  Class E-1  Common  Stock and Class E-2 Common  Stock have equal  ratable
rights to dividends  from funds  legally  available  therefor,  when,  as and if
declared  by the Board of  Directors  and are  entitled to share  ratably,  as a
single class, in all of the assets of the Company  available for distribution to
the  holders of shares of Common  Stock  upon the  liquidation,  dissolution  or
winding  up of the  affairs  of the  Company.  Except as  described  herein,  no
preemptive,  subscription,  or conversion rights pertain to the Common Stock and
no redemption or sinking fund provisions exist for the benefit thereof.

         The  Company's  principal  executive  offices are located 3501 Lakewood
Blvd.,  Long Beach,  California 90808. This Proxy Statement and the accompanying
proxy will be mailed to Shareholders on or about June 1, 1998.


                                        1

<PAGE>




                              ELECTION OF DIRECTORS

         In accordance with the Certificate of  Incorporation  and Bylaws of the
Company,  the Board of  Directors  consists of not less than three nor more than
seven members,  the exact number to be determined by the Board of Directors.  At
each annual meeting of the  Shareholders  of the Company,  directors are elected
for a one year term. The Board of Directors is currently set at six members. The
Board of Directors proposes the election of the nominees named below.

         Shareholders  are entitled to cumulate their votes for directors.  This
means that a shareholder  may give one nominee as many votes as are equal to the
number of Directors to be elected,  multiplied  by the number of shares owned by
such shareholder,  or to distribute his or her votes as the shareholder sees fit
among two or more  nominees  on the same  principle,  up to the total  number of
nominees to be elected.  The six nominees  receiving the highest number of votes
at the Annual Meeting from the holders of Common Stock will be elected.

         Unless  marked  otherwise,  proxies  received  will  be  voted  FOR the
election  of the  each  of the  nominees  named  below,  and the  votes  will be
distributed  equally  among  the  nominees.  If any such  person  is  unable  or
unwilling  to serve as a nominee  for the office of  director at the date of the
Annual Meeting or any  postponement or adjournment  thereof,  the proxies may be
voted  for a  substitute  nominee,  designated  by the proxy  holders  or by the
present Board of Directors to fill such  vacancy.  The Board of Directors has no
reason to believe  that any such nominee will be unwilling or unable to serve if
elected a director.

         THE BOARD OF DIRECTORS  UNANIMOUSLY  RECOMMENDS THAT  SHAREHOLDERS VOTE
FOR THE ELECTION OF THE DIRECTORS NOMINATED HEREIN.

         The Board of Directors  proposes the election of the following nominees
as members of the Board of Directors:

                           Carl Chen, Ph.D.
                           Gene Comfort
                           C.M. Cheng
                           Steve Gorlin
                           James A. Lovell
                           S. B. Lai, Ph.D.

         If elected,  the  nominees  are expected to serve until the 1999 Annual
Meeting of Shareholders.

Information with Respect to Each Nominee and Executive Officers.

         The following table sets forth certain information with respect to each
nominee and executive officer of the Company as of March 31, 1998.


Name                      Age        Position
Carl Leei Chen, Ph.D.     51         Chairman of the Board, President, Chief
                                     Executive Officer, Director and Director
                                     Nominee
Gene Comfort              54         Executive Vice President, General Manager,
                                     Director and Director Nominee
C.M. Cheng                51         Consultant to the Company, Director and
                                     Director Nominee
Steve Gorlin              60         Director and Director Nominee


                                        2

<PAGE>



Name                      Age        Position
James A. Lovell           69         Director and Director Nominee
S. B. Lai, Ph.D.          46         Director and Director Nominee
Other Officers:
William V. Leeds          54         Senior Vice President - Operations
David M. Turner, CPA      62         Chief Financial Officer
Arthur Ruff               64         Vice President  - Manufacturing



         Directors serve until the next annual meeting or until their successors
are  elected  or  appointed.  All  officers  are  appointed  by and serve at the
discretion of the Board of Directors, other than Dr. Chen, who has an employment
agreement with the Company. See Management - Employment Agreement.  There are no
family relationships between any directors or officers of the Company.

         Dr.  Carl L.  Chen is the  founder  of the  Company  and has  been  its
President and a director since the Company's  incorporation  in January 1990 and
the Chief  Executive  Officer of the Company since December  1994.  From January
1992 to October 1995,  Dr. Chen served as President,  and since January 1992 has
been a minority  stockholder,  of Union China Investment and Development  Group,
Inc. (Union China),  a company located in Monterey Park,  California,  which was
formed to invest in  commercial  real  estate.  Union China  confirmed a plan of
reorganization  pursuant to Chapter 11 of the Federal  bankruptcy laws in August
1995. The  bankruptcy  case for Union China was closed in May 1996 pursuant to a
Final  Decree and Order  Closing Case  entered by the  Bankruptcy  Court for the
Central  District of California.  Since January 1992, Dr. Chen has served as the
President of California Aerospace Technology, Inc., a consulting company for the
satellite industry,  located in Monterey Park, California. Dr. Chen was Chairman
of SIDA Corporation, a high technology trading company located in Monterey Park,
California,  from 1989 to May 1996.  Prior to founding the Company in 1990,  Dr.
Chen  was  a  Satellite   System   Engineering   Manager  at  Hughes  Space  and
Communications,  Inc. for 15 years. Dr. Chen has a Ph.D. in Engineering from the
California  Institute of Technology and Masters  Degrees in Control  Engineering
and Aerospace Engineering from UCLA and West Virginia University,  respectively.
Dr. Chen is a graduate of the Owner/President Management program at the Graduate
School of Business Administration of Harvard University.

         Gene Comfort has been the Executive Vice President and General  Manager
of the Company since  September  1995 and a director  since May 1996.  From July
1993 to September  1995,  Mr.  Comfort was the Vice  President-Marketing  of the
Company,  and he was the Director of Marketing of the Company from April 1991 to
July 1993.  Mr.  Comfort has been involved in the aircraft  industry for over 25
years in a variety of marketing,  sales and management positions. Mr. Comfort is
a single and multi engine rated pilot.

         C.M.  Cheng is a consultant to the Company and has served as a director
of the Company  since June 1996.  Since April  1996,  Mr.  Cheng has been a Vice
President of Eurotai  International,  Ltd., a private company located in Taipei,
Taiwan,  which  distributes  health food products.  From 1984 to April 1996, Mr.
Cheng served as a Vice President,  Director of the Office of the President,  and
Manager of Corporate  Planning with Taiwan Yeu Tyan Machinery,  Mfg. Co. Ltd., a
public company located in Taipei,  Taiwan,  which  manufactures  automobiles and
heavy  equipment.  From 1980 to 1983,  Mr. Cheng was an  Associate  Professor of
Economics and Management at Taiwan National Sun-Yet-Sen University. Mr. Cheng is
the director of Harpa  Limited,  a corporation  organized  under the laws of the
Cayman Islands  (Harpa),  a principal  stockholder  of the Company.  See Certain
Relationships and Related Transactions and Principal Shareholders.


                                        3

<PAGE>



         Steve  Gorlin has served as a director of the Company  since July 1996.
Over the past twenty-five  years,  Mr. Gorlin has founded several  biotechnology
and  pharmaceutical  companies,  including Hycor Biomedical,  Inc.,  Theragenics
Corporation,  CytRx  Corporation,  and  Medicis  Corporation,  which are  public
companies,  and SeaLite Sciences,  Inc., which is a private company.  Mr. Gorlin
founded,  and  served  as  Chairman  of the Board of,  EntreMed  Inc.,  a public
company,  from its inception in 1991 until December 1995 (EntreMed was privately
held during his tenure).  He founded,  and is a member of the Board of Directors
of,  Perma-Fix  Environmental  Services,  Inc., a public company involved in the
disposal of hazardous waste. Mr. Gorlin also established the Touch Foundation, a
non-profit organization for the blind. He is a single and multi-engine pilot.

         James A. Lovell Jr. is the former spacecraft commander of the Apollo 13
mission.  He currently is the  President  of Lovell  Communications,  a business
devoted to  disseminating  information  about the United  States Space  Program.
Prior to that he was Executive Vice President of Centel Corporation.  Mr. Lovell
is a Fellow in the  Society  of  Experimental  Test  Pilots  and a member of the
Golden  Eagles.  He has been  granted  many  honors and  awards,  including  the
Presidential Medal for Freedom, the French Legion of Honor and the Congressional
Space Medal of Honor.  In 1994 he and Jeff Kluger wrote Lost Moon,  the story of
the Apollo 13 mission.

         S. B. Lai has served as director of the Company since October 1997. Mr.
Lai  is   currently  a   Professor   with  the   Graduate   School  of  Business
Administration,  National Chengchi University,  Republic of China; the Secretary
General,  Chinese  Management  Association,  Republic  of  China;  a third  term
Republic of China  National  Assemblyman,  Republic  of China;  and is Judge and
Committeeman of the National  Quality Award.  Over the past five years,  Mr. Lai
has also  served as a Director  of the  Ta-Yeh  University,  Republic  of China;
Secretary General of the Chinese Management Association,  Republic of China; and
is a  consulting  committeeman  for the  Ministry  of  Economic  Affairs and the
Ministry of Education  Affairs of the Republic of China. Mr. Lai received a BSME
and MBA from  National  Cheng-Kung  University  and a MSISE  and  Ph.D  from the
University of Southern California.

         William V. Leeds  served as the Senior  Vice  President  of the Company
from 1991 to  September  1994 and acted as a  consultant  to the  Company  on an
as-needed  basis  since  that time and  rejoined  the  company  as an officer in
January of 1997. He was one of the key employees  responsible  for obtaining the
Type  Certificate  for the JETCRUZER  450. From October 1994 until January 1997,
Mr. Leeds has served as the General Manager of Aerostar  Corporation,  a private
company  located in the State of Washington  engaged in the development and sale
of small aircraft. From February 1986 to January 1990, Mr. Leeds was the General
Manager of Quiet  Nacelle  Corp.,  a private  company which  retrofits  aircraft
engine nacelles for noise reduction.  Mr. Leeds has an Aeronautical  Engineering
Degree from Northrop Institute of Technology and is an FAA Structure  Designated
Engineering Representative (DER). He is a single engine, instrument rated pilot.

         David M. Turner, CPA joined the Company in January 1997. Prior to that,
from 1994, he served as the Chief Financial Officer of Taitron  Incorporated,  a
publicly held company that  distributes  discrete  semiconductors.  From 1991 to
1994,  Mr.  Turner  was  President  and  sole  owner  of  Maynard   Enterprises,
Incorporated,  a privately held  consulting  business  working  primarily in the
health care  industry.  From 1988 to 1991,  Mr.  Turner was the Chief  Financial
Officer  and  Corporate  Vice  President  of  Finance of the  Greater  Southeast
Management Company, a Washington D.C. company that operated an inner city health
care system,  which  included two  hospitals,  three  nursing  homes and several
subsidiary  health care  companies  in the Mid  Atlantic  area.  During the same
period,  Mr.  Turner was  President  and a Director of Greater  Southeast  Asset
Management  Company,  the  asset-holding  subsidiary  of the  Greater  Southeast
Healthcare  System.  Mr. Turner received a Master of Business of  Administration
from the University of Cincinnati.

         Arthur  Ruff  ("Auts")  joined  the  Company  in  January  1998 as Vice
President-Manufacturing.  Prior to joining the Company,  from 1996, he served as
Vice President of Operations for Troll Technology,  a manufacturer of television
transmission and control systems for helicopters and ground equipment. From 1994
to 1996, Mr. Ruff was Director of Operations for Vemco Corporation, manufacturer
of  precision  high-pressure  regulators.  From  1992 to 1994,  he  worked as an
Independent Manufacturing Industry Consultant, specializing

                                       4

<PAGE>

in the redesign,  revitalization,  and turnaround of non-performing  operations.
Other aerospace and aircraft  experience  includes:  Director of  Manufacturing,
Cessna Aircraft Company;  Manager of Manufacturing  Operations,  Martin Marietta
Missle Systems;  and Director of Operations,  Sargent Fletcher Company. Mr. Ruff
is a licensed pilot and has an MBA in Industrial  Management from the University
of Denver and a BS in Industrial  Technology from the University of Maryland. He
is a registered  Professional Engineer,  Certified  Manufacturing Engineer and a
member of the Society of Manufacturing Engineers.

         The Board of Directors  held three  meetings in 1997 and all  Directors
were  present  at each  meeting.  The  Board  of  Directors  has a  Compensation
Committee,  which makes  recommendations  to the Board  concerning  salaries and
incentive compensation for officers and employees of the Company. The members of
the  Compensation  Committee are Messrs.  Lai,  Gorlin and Lovell.  The Board of
Directors also has an Audit Committee which reviews the results and scope of the
audit and other accounting  related matters.  The members of the Audit Committee
are currently Messrs. Lai and Lovell. Both committees held three meetings during
1997.

         The Company has agreed to nominate a designee of the Underwriter of its
recent public offering who is reasonably  acceptable to the Company for election
to the Company's Board of Directors,  if so requested by the Underwriter,  for a
period of five years from December 6, 1996.

                            APPROVAL OF THE COMPANY'S
                             1998 STOCK OPTION PLAN

         There will be presented to the Annual  Meeting a proposal to ratify the
1998 Stock Option Plan.  The Board of Directors and  management  recommend  that
stockholders vote FOR approval of the 1998 Stock Option Plan.

         On March 2, 1998, the Board of Directors authorized the adoption of the
1998 Stock  Option  Plan.  The  proposal to ratify the 1998 Stock Option Plan is
recommended by the Board of Directors  because it considers it to be in the best
interests of the Company and its stockholders. The Stock Option Plan is designed
to  serve  as an  incentive  to  directors,  officers,  and  key  employees  and
contractors to focus their services on achieving  superior earnings  performance
and  increasing  the  value of the  stockholders'  proprietary  interest  in the
Company.  A maximum of 500,000  aggregate shares are reserved for issuance under
the Stock Option Plan. The Stock Option Plan vests broad  discretionary power in
the Plan Committee,  including the power to (i) select eligible  optionees to be
granted stock options,  (ii)) set the option  exercise price (subject to certain
restrictions),  (iii)  establish  the duration of each option (not to exceed ten
years),  (iv) specify the method of exercise,  and (v)  designate the medium and
time of payment.  The Stock  Option Plan will  terminate on March 1, 2008 unless
sooner  terminated by the Board. No options may be granted after  termination of
the Stock Option Plan,  although Options  outstanding at the time of termination
will continue to be exercisable in accordance with their terms.  The issuance of
shares of Common  Stock upon the  exercise  of options  granted  under the Stock
Option Plan will dilute the voting power of current stockholders.  The extent of
dilution will depend on the number of options  exercised and difference  between
the option  exercise price and the market price for the Common Stock at the time
of exercise.

         The  foregoing  summary of the Stock  Option Plan is  qualified  in its
entirety  by the  terms  of the  plan,  which is  available  for  review  at the
principal office of the Company. The Board of Directors believes that any effect
the  Stock  Option  Plan will  have in  diluting  the  voting  power of  current
stockholders  will be  exceeded  by the effect of the plan to attract and retain
the services of experienced and knowledgeable directors, officers, employees and
other eligible  service-providers  who will contribute to the  profitability and
value of the current stockholders' holdings in the Company.


                      RATIFICATION OF SELECTION OF AUDITORS

         The Board of Directors  has  authorized  the firm of Ernst & Young LLP,
independent public accountants,  to serve as auditors for the fiscal year ending
December 31, 1998. A representative of Ernst & Young LLP, will be present

                                        5

<PAGE>



at the Annual Meeting and will have the opportunity to make a statement if he or
she desires to do so. Further,  the  representative of Ernst & Young LLP will be
available to respond to appropriate questions.


                                   MANAGEMENT

Executive Compensation

         The following tables set forth certain  information as to the Company's
Chief Executive  Officer and each of the Company's four most highly  compensated
executive  officers  whose  total  annual  salary and bonus for the fiscal  year
ending December 31, 1997 exceeded $100,000:


                           SUMMARY COMPENSATION TABLE

<TABLE>
                                                      Annual Compensation(1)
                                       ------------------------------------------------
                                                                             Other
     Name and Principal Position      Year        Salary       Bonus      Compensation
- ---------------------------------------------------------------------------------------
<S>                                   <C>        <C>           <C>         <C>
Carl L. Chen, Ph.D.                   1997       $200,000       $0          $39,248(5)
   Chairman and Chief Executive       1996       $304,099       $0         $242,763(2)
   Officer                            1995        $53,000(3)    $0         $242,000(2)

Gene Comfort                          1997       $150,000       $0               $0
   Executive Vice President           1996       $136,276       $0          $33,000(4)
                                      1995        $90,000       $0               $0

William V. Leeds                      1997       $110,769       $0               $0
   Senior Vice President              1996             $0       $0               $0
                                      1995             $0       $0               $0
</TABLE>

(1)      The  compensation  described  in this  table does not  include  medical
         insurance,  retirement  benefits and other benefits which are available
         generally to all employees of the Company and certain  perquisites  and
         other personal  benefits,  the value of which did not exceed the lesser
         of $50,000 or 10% of the executive officer's compensation in the table.

(2)      Represents the approximate fair market value of 135,416 shares of Class
         B Common Stock,  270,832 shares of Class E-1 Common Stock,  and 270,832
         shares of Class E-2 Common  Stock  issued to Dr.  Chen in June 1996 and
         earned by him under  the New  Management  Agreement  during  1995.  See
         Certain Relationships and Related Transactions.

(3)      Pursuant to the New  Management  Agreement  which  became  effective on
         January  29,  1995  (the  "New  Management  Agreement"),  Dr.  Chen was
         entitled  to  receive a salary of  $323,000  in 1995.  This  amount was
         accrued  and unpaid as of  December  31,  1995.  In May 1996,  Dr. Chen
         agreed to convert $300,000 of such accrued amount into 16,724 shares of
         Class B Common  Stock,  33,448  shares  of Class E-1  Common  Stock and
         33,448 shares of Class E-2 Common Stock and to receive the remainder in
         cash.  See  Certain  Transactions  and  Note 7 of  Notes  to  Financial
         Statements.  $30,000 of the amount stated reflects the approximate fair
         value of such shares.  In May 1996,  the New  Management  Agreement was
         terminated,  and Dr.  Chen's  annual salary was changed to $200,000 per
         year. See Employment Agreement.


                                        6

<PAGE>



(4)      Represents the approximate  fair market value of 17,460 shares of Class
         B Common Stock,  34,919  shares of Class E-1 Common  Stock,  and 34,919
         shares of Class E-2 Common Stock  issued to Mr.  Comfort in May 1996 in
         exchange for services rendered.

(5)      Represents  premium for life insurance paid by the Company on behalf of
         Dr. Chen.


                        OPTION GRANTS IN LAST FISCAL YEAR

<TABLE>
                                                   Percentage of Total
                                                   Options Granted to
                            Number of Shares          Employees and
                           Underlying Options      Directors in Fiscal      Exercise or Base
         Name                    Granted                  Year               Price Per Share         Expiration Date
- --------------------------------------------------------------------------------------------------------------------
<S>                         <C>                    <C>                      <C>                      <C>
Dr. Carl Chen                    100,000                  31.75                   $5.00               May 26, 2007
James A. Lovell, Jr.              25,000                   7.94                   $5.00               March 3, 2007
S. B. Lai                         25,000                   7.94                   $5.00               March 3, 2007
William V. Leeds                  45,000                  14.29                   $5.00               March 3, 2007
David Turner                      30,000                   9.52                   $5.00               March 3, 2007
</TABLE>


(1)      None of the reported options were in-the-money at the end of the fiscal
         year as a result of the closing  price of the Common  Stock as reported
         on the NASDAQ  System on December 31, 1997  ($2.5625/share)  being less
         than the exercise price of those options ($5.00/share).

Employment Agreement

         The Company entered into an eight-year  employment  agreement (the Chen
Employment  Agreement)  with Dr.  Carl  Chen,  the  Company's,  Chairman,  Chief
Executive  Officer and President,  commencing in May 1996.  The Chen  Employment
Agreement  provides that, in consideration for Dr. Chen's services,  he is to be
paid an annual  salary of  $200,000.  He will  receive  increases  in salary and
bonuses  as deemed  appropriate  by the Board of  Directors.  The  Company  will
maintain  life  insurance  coverage  on Dr.  Chen,  and Dr.  Chen  may  name the
beneficiary of such policy. The Chen Employment  Agreement also provides that he
will not  compete  with the  Company  during the term of the  Agreement  and for
eighteen months  thereafter and that, if Dr. Chen's  employment is terminated by
the Company without cause (as defined  therein),  he will receive up to eighteen
months'  salary as severance,  payable  monthly  commencing on the thirtieth day
following such termination without cause.

Compensation of Directors

         Non-employee  directors  receive  $1,000  for each  Board of  Directors
meeting attended. The Company pays all out-of-pocket expenses of attendance.



                                        7

<PAGE>
                             PRINCIPAL SHAREHOLDERS

         The  following  table  sets forth  certain  information  regarding  the
beneficial  ownership of the Company's  Common Stock as of March 31, 1998 by (i)
each person who is known by the Company to own beneficially  more than 5% of any
class of the Company's outstanding voting securities, (ii) each of the Company's
directors  and executive  officers,  and (iii) all officers and directors of the
Company as a group.
                                             
                         Name and Address of       Common Stock      Percent of
Title of Class           Beneficial Owner(1)   Beneficially Owned(2)  Ownership
- -------------------------------------------------------------------------------
Class A   Common Stock   Dr. Carl L. Chen(3)          25,000               .35%
Class B   Common Stock                               826,751              43.5%
Class E-1 Common Stock                             1,653,503             41.34%
Class E-2 Common Stock                             1,653,503             41.34%

Class A   Common Stock   Gene Comfort(4)               5,000                 0%
Class B   Common Stock                                60,001              3.15%
Class E-1 Common Stock                               120,000              3.00%
Class E-2 Common Stock                               120,000              3.00%

Class A   Common Stock   C.M. Cheng(4)(5)              5,000                 0%
Class B   Common Stock                             1,013,572             53.33%
Class E-1 Common Stock                             2,027,144             50.67%
Class E-2 Common Stock                             2,027,144             50.67%

Class A   Common Stock   Steve Gorlin(6)              20,000               .28%

Class A   Common Stock   James A. Lovell Jr.(4)        6,000                 0%

Class A   Common Stock   S.B. Lai, Ph.D.(8)                0                 0%

Class A   Common Stock   David Turner(9)               6,100                 0%

Class A   Common Stock   All executive officers       67,100               .95%
Class B   Common Stock    and directors as a       1,900,324               100%
Class E-1 Common Stock    group (6 persons)        3,800,647             95.02%
Class E-2 Common Stock                             3,800,647             95.02%

Class B   Common Stock   Harpa Limited(7)          1,013,572             53.33%
Class E-1 Common Stock                             2,027,144             50.67%
Class E-2 Common Stock                             2,027,144             50.67%

Class B   Common Stock   Shih Jen Yeh(7)           1,013,572             53.33%
Class E-1 Common Stock                             2,027,144             50.67%
Class E-2 Common Stock                             2,027,144             50.67%

Class B   Common Stock   Chyao Chi Yeh(7)          1,013,572             53.33%
Class E-1 Common Stock                             2,027,144             50.67%
Class E-2 Common Stock                             2,027,144             50.67%

Class A   Common Stock   Fidelity Management 
                          Research Company(10)       513,000              7.28%
- ---------------------

(1)      Except  as  otherwise   indicated,   the  address  of  each   principal
         stockholder  is c/o the  Company at 3501  Lakewood  Blvd.,  Long Beach,
         California 90808. The Company believes that all persons named have sole
         voting power and sole investment power,  subject to community  property
         laws where applicable.

(2)      The Common  Stock of the  Company is divided  into four  classes.  Each
         share of Class B Common  Stock,  Class E-1  Common  Stock and Class E-2
         Common  Stock is entitled  to five votes per share,  and Class A Common
         Stock is entitled  to one vote per share.  The shares of Class E Common
         Stock are subject to  redemption by the Company if the Company does not
         achieve certain income or market price levels.

(3)      Includes  200,000  shares of Class E-2  Common  Stock  held by Julie C.
         Chen, as trustee of the Eric F. Chen Trust under  Declaration  of Trust
         dated August 31, 1996, for the benefit of Eric F. Chen, Dr. Chen's son.
         Julie Chen is Dr. Chen's  sister-in-law.  Dr. Chen disclaims beneficial
         ownership  of the  200,000  shares held by the Trust for the benefit of
         his son.  Excludes  75,000 shares of Class A Common Stock issuable upon
         the  exercise of options not  exercisable  within 60 days and  includes
         options for 25,000  shares of Class A Common Stock which are  currently
         exercisable.

(4)      Excludes  20,000  shares  of Class A  Common  Stock  issuable  upon the
         exercise  of  options  which  are not  exercisable  within  60 days and
         includes  options  for 5,000  shares of Class A Common  Stock which are
         currently exercisable.


                                        8

<PAGE>



(5)      Includes  5,217,860  shares of Common  Stock held by Harpa  Limited,  a
         Cayman Island  corporation  (Harpa).  C.M. Cheng is a director of Harpa
         and has sole voting and  investment  control  over the shares of Common
         Stock  held by Harpa and thus may be deemed  to  beneficially  own such
         shares.  Mr. Cheng disclaims  beneficial  ownership of such shares. The
         address of Harpa is c/o Coutts Co.  (Cayman) Ltd.,  Coutts House,  P.O.
         Box 707, West Bay Road, Grand Cayman, Cayman Islands.

(6)      Common  Stock  beneficially  owned is Class A Common  Stock  which  was
         contained  in 15,000 Units  purchased by Mr.  Gorlin in March and April
         1997.  Excludes 20,000 shares of Class A Common Stock issuable upon the
         exercise of options not exercisable within 60 days and includes options
         for 5,000 shares of Class A Common Stock  issuable upon the exercise of
         options which are currently exercisable.

(7)      The voting stock of Harpa is currently held equally by Shih Jen Yeh and
         Chyao Chi Yeh, who are  children of Song Gen Yeh,  the former  Chairman
         and principal stockholder of the Company. See Certain Transactions. The
         address of Mr. Shih Jen Yeh and Mr.  Chyao Chi Yeh is 14th  Floor,  No.
         55, Section 2, Chung-Cheng Road, Shih-Lin District, Taipei, Taiwan.

(8)      Excludes  25,000  shares  of Class A  Common  Stock  issuable  upon the
         exercise  of  options  which are not  exercisable  within  60 days.

(9)      Excludes  24,000  shares  of Class A  Common  Stock  issuable  upon the
         exercise  of  options  which  are not  exercisable  within  60 days and
         includes  6,000  shares  of  Class A  Common  Stock  issuable  upon the
         exercise of options.

(10)     The address for Fidelity  Management  Research Company is 82 Devonshire
         Street, Boston, Massachusetts 02109.

             SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

          As of April 30, 1997, all Form 3 reports required to be filed pursuant
to Rule 16(a) of the  Securities  Exchange Act of 1934, as amended during fiscal
1997 had been filed (other than S.B.  Lai),  and the Company is not aware of any
failures to file a required form.

                 CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         From January 1990 through  December  1993, Mr. Song Gen Yeh, who was at
that time a principal stockholder and director of the Company, advanced funds to
the  Company in the  aggregate  amount of  $10,478,000.  In December  1993,  the
Company  entered into an agreement  with Mr. Yeh to repay such advances  through
the  issuance of 584,074  shares of Class B Common  Stock,  1,168,148  shares of
Class E-1 Common Stock,  and  1,168,148  shares of Class E-2 Common Stock of the
Company.  Such  shares were  issued to Mr. Yeh in June 1996.  From 1994  through
1995, Mr. Yeh provided additional advances to the Company aggregating  $250,000.
In June 1996,  such advances were repaid by the Company  through the issuance of
13,937 shares of Class B Common Stock,  27,873 shares of Class E-1 Common Stock,
and 27,873  shares of Class E-2 Common  Stock.  Such  shares  were  subsequently
transferred to Harpa Limited  (Harpa),  a Cayman Islands  corporation the voting
stock of  which is  controlled  by two of Mr.  Yeh's  children.  C.M.  Cheng,  a
director of the Company, is the Director of Harpa and, as such, has the power to
vote the  shares of the  Company's  Common  Stock held by Harpa.  See  Principal
Stockholders.

         In January 1990,  the Company  entered into a five-year  agreement (the
Management  Agreement)  with SIDA  Corporation  (SIDA).  Dr.  Carl L. Chen,  the
Chairman,  Chief  Executive  Officer and President of the Company,  was, at that
time, a principal  stockholder of SIDA, and the other two  stockholders  of SIDA
were also, at that time,  stockholders of the Company.  The Management Agreement
provided  for  annual  payments  to SIDA of  $140,000  for  management  services
consisting  essentially  of those  customarily  performed by the  President of a
company. The SIDA agreement expired by its terms in January 1995. As of June 30,
1996, SIDA was owed $259,000 of unpaid  management  fees. This amount,  together
with accrued  interest of $64,000  through  August 30,  1996,  was paid from the
proceeds of a Bridge  Financing in September  1996. In October 1993 and February
1994, the Company obtained loans from SIDA in the aggregate  principal amount of
$110,000,  bearing interest at 12%. These loans,  together with accrued interest
of $31,000,  were repaid from the proceeds of the Bridge  Financing in September
1996.


                                        9

<PAGE>



         In February and July 1994,  the Company  received loans in an aggregate
principal  amount of  $565,000,  bearing  interest  at a rate of 12%,  from four
individuals  who were at the time not affiliated  with the Company.  One of such
persons, C.M. Cheng, became a director of the Company in June 1996. These loans,
together with accrued interest of $161,000, were repaid with the proceeds of the
Bridge Financing in September 1996.

         In December 1994, the Company  entered into a New Management  Agreement
(the New Management  Agreement) with Dr. Chen which took effect in January 1995.
Pursuant  to the New  Management  Agreement,  Dr.  Chen  agreed  to serve as the
Company's  President and Chief Executive Officer.  The New Management  Agreement
had a term of 10 years and provided that Dr. Chen was to receive a signing bonus
of 139,365  shares of Class B Common Stock,  278,730  shares of Class E-1 Common
Stock,  and  278,730  shares  of Class E-2  Common  Stock,  an annual  salary of
$350,000,  and additional annual compensation payable in 147,727 shares of Class
B Common Stock,  295,454 shares of Class E-1 Common Stock, and 295,454 shares of
Class E-2 Common  Stock.  In May 1996,  Dr.  Chen  agreed to  terminate  the New
Management Agreement. Pursuant to the New Management Agreement and in connection
with its  termination,  the Company  issued a total of 577,823 shares of Class B
Common Stock,  1,155,647  shares of Class E-1 Common Stock, and 1,155,647 shares
of Class E-2 Common  Stock to Dr.  Chen.  At June 30,  1996,  $144,000  remained
accrued and unpaid under the New Management  Agreement.  This amount was paid to
Dr. Chen with the proceeds of the Bridge Financing in September 1996.

         In May 1996 the Company  entered into an Employment  Agreement with Dr.
Chen  pursuant  to which he agreed  to serve as its  Chairman,  Chief  Executive
Officer and President.  See Management  Employment  Agreement.  As of August 31,
1996, compensation of $69,000 was accrued and unpaid under this Agreement.  This
amount was paid from the proceeds of the Bridge Financing in September 1996.

         From  September  1995 through  August 1996, Dr. Chen made loans bearing
interest at a rate of 12% to the Company in the  aggregate  principal  amount of
$562,000.  In May 1996, Dr. Chen agreed to convert  $336,000 of these loans into
187,118  shares of Class B Common  Stock,  374,236  shares  of Class E-1  Common
Stock,  and 374,236  shares of Class E-2 Common Stock.  The  remaining  $226,000
principal amount of these loans, together with $36,000 of accrued interest,  was
repaid with the proceeds of the Bridge Financing in September 1996.

         In 1994 and 1995,  the Company  obtained loans from General Bank in the
aggregate  principal  amount of $900,000.  This loan bore  interest at the prime
rate plus 1.5% and had a maturity  date of October  1996.  Repayment of the loan
was  guaranteed by the Small  Business  Administration,  the  California  Export
Finance Office and Dr. Chen and was secured by  substantially  all the assets of
the Company. The total outstanding balance of the loan of approximately $915,000
(including  accrued  interest)  was  repaid  from  the  proceeds  of the  Bridge
Financing in September 1996.

         In May 1996,  the Company issued 17,460 shares of Class B Common Stock,
34,919 shares of Class E-1 Common  Stock,  and 34,919 shares of Class E-2 Common
Stock to Gene Comfort,  its Executive Vice President,  as partial  consideration
for marketing and general  administrative  services performed by Mr. Comfort for
the Company. In September 1996, $34,000 of accrued but unpaid salary was paid to
Mr. Comfort from the proceeds of the Bridge Financing.

         In May  1997,  Dr.  Chen  transferred  12,541  shares of Class B Common
Stock,  25,081  shares of Class E-1 Common Stock and 25,081  shares of Class E-2
Common Stock to Gene Comfort. Also in May 1997, Harpa Limited transferred 30,000
shares of Class B Common  Stock,  60,000  shares of Class E-1  Common  Stock and
60,000 shares of Class E-2 Common Stock to Gene Comfort.

         The Company  believes  that each of the foregoing  transactions  was on
terms at least as  favorable  to the  Company  as those  that  could  have  been
obtained from nonaffiliated third parties.


                            PROPOSALS OF SHAREHOLDERS

         A proper proposal  submitted by a shareholder  for  presentation at the
Company's 1999 Annual Meeting and received at the Company's executive offices no
later than December 31, 1998,  will be included in the Company's proxy statement
and form of proxy relating to the 1999 Annual Meeting.



                                       10

<PAGE>

                                  OTHER MATTERS

         The Board of  Directors  is not aware of any matter to be acted upon at
the  Annual  Meeting  other  than  described  in this  Proxy  Statement.  Unless
otherwise  directed,  all  shares  represented  by  the  persons  named  in  the
accompanying  proxy will be voted in favor of the  proposals  described  in this
Proxy Statement. If any other matter properly comes before the meeting, however,
the proxy holders will vote thereon in accordance with their best judgment.


                                    EXPENSES

         The entire cost of  soliciting  proxies  will be borne by the  Company.
Solicitation  may be made by mail.  The Company will request  brokerage  houses,
nominees,  custodians,  fiduciaries and other like parties to forward soliciting
material to the beneficial  owners of the Company's  Common Stock held of record
by them and will  reimburse  such  persons  for  their  reasonable  charges  and
expenses in connection therewith.


                          ANNUAL REPORT TO SHAREHOLDERS

         The Company's Annual Report for the fiscal year ended December 31, 1997
is being  mailed to  Shareholders  along with this Proxy  Statement.  The Annual
Report is not to be considered part of the soliciting material.


                                       11

<PAGE>


                            SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
                           (Amendment No. __________)




Filed by Registrant:
Filed by a Party other than the Registrant:

Check the appropriate box:

 Preliminary Proxy Statement
 Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
 Definitive Proxy Statement
 Definitive Additional Materials
 Soliciting Material Pursuant to ss.240.14a-11(c) or ss.240.14a-12


                    ADVANCED AERODYNAMICS & STRUCTURES, INC.
                (Name of Registrant as Specified In Its Charter)


    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check the appropriate box):

__   $125 per Exchange Act Rules 0-11(c)(1)(ii), 14a-6(i)(1), or 14a-6(i)(2).
__   $500 per each party to the controversy pursuant to Exchange Act Rule 
     14a-6(i)(3).
__   Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
     Title of each class of securities to which transaction applies: __________
     Aggregate number of securities to which transaction applies: ___________
     Per unit price or other underlying value of transaction computed pursuant 
     to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is 
     calculated and state how it was determined): ___________
     Proposed maximum aggregate value of transaction: ____________
     Total fee paid: _____________
__   Fee paid previously with preliminary materials.
__   Check box if any part of the fee is offset as provided by Exchange Act 
     Rule 0-11(a)(2) and identify the filing for which the offsetting fee was 
     paid previously.  Identify the previous filing by registration statement 
     number, or the Form or Schedule and the date of its filing.  __________
     Amount Previously Paid: ____________
     Form, Schedule or Registration Statement No.:_________________
     Filing Party: ______________________
     Date Filed: ___________________


                                       12

<PAGE>
Addendum to Proxy

                    ADVANCED AERODYNAMICS & STRUCTURES, INC.
                             1998 STOCK OPTION PLAN


         1. PURPOSE.  This Stock Option Plan (the "Plan") a is intended to serve
as an incentive  to, and to  encourage  stock  ownership  by,  certain  eligible
participants  rendering services to Advanced Aerodynamics & Structures,  Inc., a
Delaware  corporation (the  "Corporation"),  and certain affiliates as set forth
below,  so that they may acquire or increase their  proprietary  interest in the
Corporation.

         2.       ADMINISTRATION.

                  2.1 Committee.  The Plan shall be administered by the Board of
Directors of the Corporation  (the "Board of Directors") or a committee of three
or more members  appointed by the Board of Directors (the  "Committee")  who are
Non-Employee  Directors as defined in Rule 16b-3 promulgated under Section 16 of
the  Securities  Exchange  Act of 1934 and an  outside  director  as  defined in
Treasury  Regulation ss.  1.162-27(e)(3).  The Committee shall select one of its
members as Chairman and shall  appoint a Secretary,  who need not be a member of
the Committee.  The Committee shall hold meetings at such times and places as it
may determine and minutes of such meetings shall be recorded. Acts by a majority
of the  Committee in a meeting at which a quorum is present and acts approved in
writing by a majority of the members of the Committee shall be valid acts of the
Committee.

                  2.2 Term. If the Board of Directors  selects a Committee,  the
members of the  Committee  shall serve on the  Committee  for the period of time
determined  by the Board of  Directors  and shall be  subject  to removal by the
Board of  Directors  at any  time.  The Board of  Directors  may  terminate  the
function  of the  Committee  at any time and resume  all  powers  and  authority
previously delegated to the Committee.

                  2.3 Authority.  The Committee  shall have sole  discretion and
authority to grant  options  under the Plan to eligible  participants  rendering
services to the  Corporation or any "parent" or  "subsidiary" of the Corporation
("Parent or Subsidiary"), as defined in Section 424 of the Internal Revenue Code
of 1986,  as amended (the "Code"),  at such times,  under such terms and in such
amounts  as it may  decide.  For  purposes  of this  Plan and any  Stock  Option
Agreement (as defined below), the term "Corporation" shall include any Parent or
Subsidiary,  if applicable.  Subject to the express  provisions of the Plan, the
Committee  shall have  complete  authority to interpret  the Plan, to prescribe,
amend and rescind the rules and  regulations  relating to the Plan, to determine
the details and  provisions of any Stock Option  Agreement,  to  accelerate  any
options granted under the Plan and to make all other determinations necessary or
advisable for the administration of the Plan.

                  2.4 Type of Option.  The Committee  shall have full  authority
and discretion to determine,  and shall specify, whether the eligible individual
will be granted options  intended to qualify as incentive  options under Section
422 of the Code  ("Incentive  Options")  or options  which are not  intended  to
qualify  under  Section  422 of the Code  ("Non-Qualified  Options");  provided,
however,  that  Incentive  Options  shall only be granted  to  employees  of the
Corporation,  or a Parent or  Subsidiary  thereof,  and shall be  subject to the
special limitations set forth herein attributable to Incentive Options.

                                        1

<PAGE>


                  2.5 Interpretation. The interpretation and construction by the
Committee of any  provisions of the Plan or of any option granted under the Plan
shall be final and binding on all parties having an interest in this Plan or any
option  granted  hereunder.  No member of the Committee  shall be liable for any
action or  determination  made in good  faith  with  respect  to the Plan or any
option granted under the Plan.

         3.       ELIGIBILITY.

                  3.1 General. All directors, officers, employees of and certain
persons  rendering  services to the  Corporation,  or any Parent or  Subsidiary,
relative to the  Corporation's,  or any Parent's or  Subsidiaries',  management,
operation or  development  shall be eligible to receive  options under the Plan.
The  selection of  recipients  of options  shall be within the sole and absolute
discretion  of the  Committee.  No person  shall be granted an option under this
Plan unless such person has executed the grant  representation  letter set forth
on Exhibit  "A," as such  Exhibit may be amended by the  Committee  from time to
time and no person shall be granted an  Incentive  Option under this Plan unless
such person is an employee of the Corporation, or a Parent or Subsidiary, on the
date of grant.  No employee  shall be granted  more than  50,000  options in any
one year period.

                  3.2      Termination of Eligibility.

                         3.2.1  If an  optionee  ceases  to be  employed  by the
Corporation,  or its Parent or Subsidiary,  is no longer an officer or member of
the Board of Directors of the Corporation or no longer performs services for the
Corporation, or its Parent or Subsidiary for any reason (other than for "cause,"
as hereinafter  defined, or such optionee's death), any option granted hereunder
to such optionee shall expire three months after the date the occurrence  giving
rise to such  termination of eligibility  (or 1 year in the event an optionee is
"disabled,"  as  defined in  Section  22(e)(3)  of the Code) or upon the date it
expires by its terms,  whichever  is earlier.  Any option that has not vested in
the optionee as of the date of such  termination  shall  immediately  expire and
shall  be  null  and  void.  The  Committee  shall,  in its  sole  and  absolute
discretion,  decide  whether an  authorized  leave of  absence  or  absence  for
military  or  governmental  service,  or  absence  for any other  reason,  shall
constitute termination of eligibility for purposes of this Section.

                         3.2.2  If an  optionee  ceases  to be  employed  by the
Corporation,  or its Parent or Subsidiary,  is no longer an officer or member of
the Board of Directors of the  Corporation,  or no longer performs  services for
the Corporation, or its Parent or Subsidiary and such termination is as

                                        2

<PAGE>



a result of "cause," as hereinafter defined,  then all options granted hereunder
to such optionee shall expire on the date of the occurrence  giving rise to such
termination of  eligibility or upon the date it expires by its terms,  whichever
is  earlier,  and  such  optionee  shall  have no  rights  with  respect  to any
unexercised options. For purposes of this Plan, "cause" shall mean an optionee's
personal  dishonesty,   misconduct,  breach  of  fiduciary  duty,  incompetence,
intentional failure to perform stated obligations, willful violation of any law,
rule,  regulation or final cease and desist order, or any material breach of any
provision of this Plan, any Stock Option Agreement or any employment agreement.

                  3.3 Death of Optionee and Transfer of Option.  In the event an
optionee shall die, an option may be exercised (subject to the condition that no
option shall be exercisable after its expiration and only to the extent that the
optionee's  right  to  exercise  such  option  had  accrued  at the  time of the
optionee's  death) at any time within six months after the  optionee's  death by
the executors or  administrators of the optionee or by any person or persons who
shall  have  acquired  the  option  directly  from the  optionee  by  bequest or
inheritance.  Any option  that has not vested in the  optionee as of the date of
death or  termination  of employment,  whichever is earlier,  shall  immediately
expire  and  shall be null and  void.  No option  shall be  transferable  by the
optionee other than by will or the laws of intestate succession.

                  3.4  Limitation  on  Options.  No person  shall be granted any
Incentive Option to the extent that the aggregate fair market value of the Stock
(as defined below) to which such options are  exercisable  for the first time by
the optionee  during any calendar  year (under all plans of the  Corporation  as
determined under Section 422(d) of the Code) exceeds $100,000.

         4.  IDENTIFICATION  OF STOCK. The Stock, as defined herein,  subject to
the options  shall be shares of the  Corporation's  authorized  but  unissued or
acquired or  reacquired  common stock (the  "Stock").  The  aggregate  number of
shares subject to  outstanding  options shall not exceed 500,000 shares of Stock
(subject  to  adjustment  as  provided  in  Section  6). If any  option  granted
hereunder shall expire or terminate for any reason without having been exercised
in full, the  unpurchased  shares  subject  thereto shall again be available for
purposes of this Plan.

         5. TERMS AND CONDITIONS OF OPTIONS.  Any option granted pursuant to the
Plan shall be evidenced by an agreement ("Stock Option  Agreement") in such form
as the Committee shall from time to time determine, which agreement shall comply
with and be subject to the following terms and conditions:

                  5.1 Number of Shares.  Each  option  shall state the number of
shares of Stock to which it pertains.

                  5.2 Option Exercise Price.  Each option shall state the option
exercise price, which shall be determined by the Committee;  provided,  however,
that (i) the exercise price of any Incentive

                                        3

<PAGE>



Option shall not be less than the fair market value of the Stock,  as determined
by the Committee,  on the date of grant of such option,  (ii) the exercise price
of any  Incentive  Option  granted to an employee  who owns more than 10% of the
total  combined  voting  power of all  classes of the  Corporation's  stock,  as
determined for purposes of Section 422 of the Code,  shall not be less than 110%
of the fair market value of the Stock,  as determined by the  Committee,  on the
date of grant of such option,  and (iii) the exercise price of any Non-Qualified
Option  shall not be less than 100% of the fair  market  value of the Stock,  as
determined by the Committee, on the date of grant of such option.

                  5.3 Term of Option.  The term of an option  granted  hereunder
shall be determined by the Committee at the time of grant,  but shall not exceed
ten years from the date of the grant.  The term of any Incentive  Option granted
to an employee who owns more than 10% of the total combined  voting power of all
classes of the Corporation's stock, as determined for purposes of Section 422 of
the Code,  shall in no event  exceed  five  years  from the date of  grant.  All
options shall be subject to early  termination  as set forth in this Plan. In no
event shall any option be exercisable after the expiration of its term.

                  5.4  Method of  Exercise.  An  option  shall be  exercised  by
written notice to the  Corporation by the optionee (or successor in the event of
death) and execution by the optionee of an exercise representation letter in the
form set forth on Exhibit "B," as such  Exhibit may be amended by the  Committee
from time to time.  Such  written  notice  shall state the number of shares with
respect to which the option is being  exercised  and  designate  a time,  during
normal business hours of the Corporation,  for the delivery  thereof  ("Exercise
Date"),  which time  shall be at least 30 days  after the giving of such  notice
unless an  earlier  date  shall  have been  mutually  agreed  upon.  At the time
specified in the written notice,  the Corporation  shall deliver to the optionee
at the principal office of the Corporation,  or such other  appropriate place as
may be  determined by the  Committee,  a certificate  or  certificates  for such
shares.  Notwithstanding the foregoing, the Corporation may postpone delivery of
any  certificate or  certificates  after notice of exercise for such  reasonable
period as may be required to comply with any applicable listing  requirements of
any  securities  exchange.  In the event an option shall be  exercisable  by any
person other than the optionee,  the required notice under this Section shall be
accompanied  by  appropriate  proof of the right of such person to exercise  the
option.

                  5.5 Medium and Time of  Payment.  The  option  exercise  price
shall be payable in full on or before the option Exercise Date in any one of the
following alternative forms:

                         5.5.1  Full  payment  in  cash  or  certified  bank  or
cashier's check;

                         5.5.2 A Promissory Note (as defined below);


                                        4

<PAGE>



                         5.5.3 Full payment in shares of Stock other  securities
of the Corporation having a fair market value on the Exercise Date in the amount
equal to the option exercise price;

                         5.5.4 A combination of the  consideration  set forth in
Sections 5.5.1, 5.5.2 and 5.5.3 equal to the option exercise price; or

                         5.5.5 Any other  method of payment  complying  with the
provisions  of  Section  422 of the Code  with  respect  to  Incentive  Options,
including,  but not  limited to, the  delivery  by  optionee  of an  irrevocable
direction to a securities  broker  approved by the Corporation to sell the Stock
and to deliver all or part of the sales  proceeds to the  Corporation in payment
of all or part of the exercise price and any withholding taxes provided that the
terms of payment are  established  by the Committee at the time of grant and any
other  method  of  payment   established   by  the  Committee  with  respect  to
Non-Qualified Options.

                  5.6 Fair Market  Value.  The fair  market  value of a share of
Stock or  other  security  of the  Corporation  on any  relevant  date  shall be
determined in accordance with the following provisions:

                         5.6.1 If the Stock or other security of the Corporation
at the time is neither  listed nor admitted to trading on any stock exchange nor
traded in the  over-the-counter  market,  then the fair  market  value  shall be
determined  by the  Committee  after  taking into  account  such  factors as the
Committee shall deem appropriate.

                         5.6.2 If the Stock or other security of the Corporation
is not at the time listed or admitted  to trading on any stock  exchange  but is
traded in the  over-the-counter  market, the fair market value shall be the mean
between the  highest bid and lowest  asked  prices (or, if such  information  is
available, the closing selling price) of one share of Stock or other security of
the Corporation on the date in question in the over-the-counter  market, as such
prices are reported by the National  Association of Securities  Dealers  through
its NASDAQ  system or any  successor  system.  If there are no reported  bid and
asked prices (or closing  selling  price) for the Stock or other security of the
Corporation on the date in question, then the mean between the highest bid price
and lowest asked price (or the closing selling price) on the last preceding date
for which such quotations exist shall be determinative of fair market value.

                         5.6.3 If the Stock or other security of the Corporation
is at the time  listed or admitted  to trading on any stock  exchange,  then the
fair market  value shall be the closing  selling  price of one share of Stock or
other security of the  Corporation on the date in question on the stock exchange
determined  by the  Committee  to be the  primary  market for the Stock or other
security of the Corporation, as such price is officially quoted in the composite
tape of transactions on such exchange.  If there is no reported sale of Stock or
other security of the Corporation on such exchange

                                        5

<PAGE>



on the date in question, then the fair market value shall be the closing selling
price on the  exchange  on the last  preceding  date for  which  such  quotation
exists.

                  5.7 Promissory Note. Subject to the requirements of applicable
state or  Federal  law or  margin  requirements,  payment  of all or part of the
purchase  price  of the  Stock  may  be  made  by  delivery  of a full  recourse
promissory note  ("Promissory  Note").  The Promissory Note shall be executed by
the optionee,  made payable to the Corporation and bear interest at such rate as
the Committee shall  determine,  but in no case less than the minimum rate which
will not cause under the Code (i) interest to be imputed,  (ii)  original  issue
discount to exist, or (iii) any other similar results to occur. Unless otherwise
determined by the Committee,  interest on the Note shall be payable in quarterly
installments on March 31, June 30,  September 30 and December 31 of each year. A
Promissory  Note  shall  contain  such  other  terms  and  conditions  as may be
determined by the Committee;  provided,  however, that the full principal amount
of the Promissory Note and all unpaid interest  accrued thereon shall be due not
later than five years from the date of exercise. The Corporation may obtain from
the  optionee a security  interest in all shares of Stock issued to the optionee
under the Plan for the purpose of securing payment under the Promissory Note and
shall retain  possession of the stock  certificates  representing such shares in
order to perfect its security interest.

                  5.8 Rights as a  Shareholder.  An optionee or successor  shall
have no rights as a shareholder  with respect to any Stock underlying any option
until the date of the issuance to such optionee of a certificate for such Stock.
No adjustment shall be made for dividends (ordinary or extraordinary, whether in
cash,  securities or other property) or  distributions or other rights for which
the record date is prior to the date such Stock certificate is issued, except as
provided in Section 6.

                  5.9 Modification, Extension and Renewal of Options. Subject to
the terms and conditions of the Plan, the Committee may modify,  extend or renew
outstanding  options  granted  under  the  Plan,  or  accept  the  surrender  of
outstanding  options (to the extent not exercised) and authorize the granting of
new options in substitution therefor.

                  5.10  Other  Provisions.  The Stock  Option  Agreements  shall
contain such other  provisions,  including without  limitation,  restrictions or
conditions upon the exercise of options, as the Committee shall deem advisable.

         6.       ADJUSTMENTS UPON CHANGES IN CAPITALIZATION.

                  6.1  Subdivision  or  Consolidation.  Subject to any  required
action by shareholders of the Corporation, the number of shares of Stock covered
by  each  outstanding   option,  and  the  exercise  price  thereof,   shall  be
proportionately  adjusted  for any  increase or decrease in the number of issued
shares of Stock of the Corporation resulting from a subdivision or consolidation
of shares

                                        6

<PAGE>



or the payment of a stock dividend (but only on the Stock) or any other increase
or  decrease  in  the  number  of  such  shares  effected   without  receipt  of
consideration by the Corporation. Any fraction of a share subject to option that
would  otherwise  result from an  adjustment  pursuant to this Section  shall be
rounded downward to the next full number of shares without other compensation or
consideration to the holder of such option.

                  6.2  Capital  Transactions.  Upon a sale or exchange of all or
substantially all of the assets of the Corporation, a merger or consolidation in
which the Corporation is not the surviving corporation, a merger, reorganization
or  consolidation  in which the  Corporation  is the surviving  corporation  and
shareholders of the Corporation exchange their stock for securities or property,
a liquidation of the Corporation or similar transaction ("Capital Transaction"),
this Plan and each option  issued under this Plan,  whether  vested or unvested,
shall  terminate  immediately  prior to such  Capital  Transaction,  unless such
options  are assumed by a successor  corporation  in a merger or  consolidation;
provided,  however,  that  unless  the  outstanding  options  are  assumed  by a
successor corporation in a merger or consolidation, subject to terms approved by
the Committee,  all optionees  will have the right,  during the 30 days prior to
such Capital  Transaction,  to exercise all vested options.  Notwithstanding the
foregoing, in the event there is a merger or consolidation where the Corporation
is not the surviving corporation, all options granted under this Plan shall vest
30 days prior to such merger or consolidation unless such options are assumed by
the successor  corporation  in such merger or  consolidation.  The Committee may
(but shall not be obligated to) (i) accelerate the vesting of any option or (ii)
apply the foregoing provisions, including but not limited to termination of this
Plan and any options granted  pursuant to the Plan, in the event there is a sale
of 51% or more of the  stock  of the  Corporation  in any two year  period  or a
transaction similar to a Capital Transaction.

                  6.3 Adjustments.  To the extent that the foregoing adjustments
relate to stock or securities of the Corporation, such adjustments shall be made
by the Committee,  whose  determination in that respect shall be final,  binding
and conclusive.

                  6.4 Ability to Adjust.  The grant of an option pursuant to the
Plan shall not affect in any way the right or power of the  Corporation  to make
adjustments,  reclassifications,  reorganizations  or changes of its  capital or
business  structure  or to  merge,  consolidate,  dissolve,  liquidate,  sell or
transfer all or any part of its business or assets.

                  6.5 Notice of Adjustment.  Whenever the Corporation shall take
any  action  resulting  in any  adjustment  provided  for in this  Section,  the
Corporation  shall  forthwith  deliver  notice of such action to each  optionee,
which notice shall set forth the number of shares  subject to the option and the
exercise price thereof resulting from such adjustment.


                                        7

<PAGE>



                  6.6 Limitation on Adjustments.  Any adjustment,  assumption or
substitution  of an Incentive  Option shall comply with Section 425 of the Code,
if applicable.

         7.  NONASSIGNABILITY.  Options granted under this Plan may not be sold,
pledged, assigned or transferred in any manner other than by will or by the laws
of intestate succession, and may be exercised during the lifetime of an optionee
only by such optionee.  Any transfer by the optionee of any option granted under
this Plan in  violation  of this  Section  shall void such  option and any Stock
Option Agreement entered into by the optionee and the Corporation regarding such
transferred  option shall be void and have no further force or effect. No option
shall be pledged or  hypothecated in any way, nor shall any option be subject to
execution, attachment or similar process.

         8. NO RIGHT OF EMPLOYMENT. Neither the grant nor exercise of any option
nor  anything  in this  Plan  shall  impose  upon the  Corporation  or any other
corporation  any  obligation to employ or continue to employ any  optionee.  The
right of the  Corporation  and any other  corporation  to terminate any employee
shall not be diminished  or affected  because an option has been granted to such
employee.

         9. TERM OF PLAN. This Plan is effective on the date the Plan is adopted
by the Board of Directors  and options may be granted  pursuant to the Plan from
time to time  within a period of ten (10) years  from such date,  or the date of
any  required   shareholder  approval  required  under  the  Plan,  if  earlier.
Termination of the Plan shall not affect any option theretofore granted.

         10.  AMENDMENT OF THE PLAN.  The Board of Directors of the  Corporation
may,  subject to any required  shareholder  approval,  suspend,  discontinue  or
terminate the Plan, or revise or amend it in any respect whatsoever with respect
to any shares of Stock at that time not subject to options.

         11. APPLICATION OF FUNDS. The proceeds received by the Corporation from
the  sale of  Stock  pursuant  to  options  may be used  for  general  corporate
purposes.

         12.  RESERVATION OF SHARES.  The  Corporation,  during the term of this
Plan,  shall at all times  reserve and keep  available  such number of shares of
Stock as shall be sufficient to satisfy the requirements of the Plan.

         13. NO OBLIGATION TO EXERCISE  OPTION.  The granting of an option shall
not impose any obligation upon the optionee to exercise such option.

         14. APPROVAL OF BOARD OF DIRECTORS AND SHAREHOLDERS. The Plan shall not
take effect until  approved by the Board of Directors of the  Corporation.  This
Plan shall be approved by a vote of the  shareholders  within 12 months from the
date of approval by the Board of

                                        8

<PAGE>



Directors.  In the event such  shareholder  vote is not  obtained,  all  options
granted hereunder, whether vested or unvested, shall be null and void.

         15. WITHHOLDING TAXES. Notwithstanding anything else to the contrary in
this Plan or any Stock  Option  Agreement,  the  exercise of any option shall be
conditioned  upon  payment  by  such  optionee  in  cash,  or  other  provisions
satisfactory to the Committee, of all local, state, federal or other withholding
taxes  applicable,  in the  Committee's  judgment,  to the  exercise or to later
disposition  of  shares  acquired  upon  exercise  of an option  (including  any
repurchase of an option or the Stock).

         16. PARACHUTE  PAYMENTS.  Any outstanding option under the Plan may not
be accelerated to the extent any such  acceleration  of such option would,  when
added to the present value of other payments in the nature of compensation which
becomes  due and  payable to the  optionee  would  result in the payment to such
optionee of an excess  parachute  payment  under  Section 280G of the Code.  The
existence of any such excess  parachute  payment shall be determined in the sole
and absolute discretion of the Committee.

         17.  SECURITIES LAWS  COMPLIANCE.  Notwithstanding  anything  contained
herein,  the  Corporation  shall not be obligated to grant any option under this
Plan or to sell,  issue or effect any  transfer of any Stock  unless such grant,
sale,  issuance or transfer is at such time effectively (i) registered or exempt
from registration  under the Act and (ii) qualified or exempt from qualification
under the California  Corporate  Securities Law of 1968 and any other applicable
state securities  laws. As a condition to exercise of any option,  each optionee
shall make such  representations  as may be deemed appropriate by counsel to the
Corporation for the Corporation to use any available exemption from registration
under the Act or any applicable state securities law.

         18. RESTRICTIVE LEGENDS. The certificates representing the Stock issued
upon  exercise  of options  granted  pursuant to this Plan will bear any legends
required by  applicable  state or federal  securities  laws as determined by the
Committee.

         19.  NOTICES.  Any notice to be given under the terms of the Plan shall
be  addressed  to the  Corporation  in care of its  Secretary  at its  principal
office, and any notice to be given to an

                                        9

<PAGE>



optionee  shall be addressed to such  optionee at the address  maintained by the
Corporation for such person or at such other address as the optionee may specify
in writing to the Corporation.

         As adopted by the Board of Directors as of March 2, 1998.


                                       ADVANCED AERODYNAMICS & STRUCTURES,
                                       INC., a Delaware corporation


                                       By:
                                          Dr. Carl L. Chen, Chairman


                                       10

<PAGE>



                                    EXHIBIT A



                                                ____________, 1998


`
Advanced Aerodynamics & Structures, Inc.
3060 Airport Way
Long Beach, CA  90806

         Re:  1998 Stock Option Plan

To Whom It May Concern:

         This letter is delivered to Advanced Aerodynamics & Structures, Inc., a
Delaware corporation (the  "Corporation"),  in connection with the grant to (the
"Optionee")  of an option (the  "Option") to purchase  shares of common stock of
the  Corporation  (the  "Stock")   pursuant  to  the  Advanced   Aerodynamics  &
Structures,  Inc., 1998 Stock Option Plan dated March __, 1998 (the "Plan"). The
Optionee  understands that the Corporation's  receipt of this letter executed by
the Optionee is a condition to the Corporation's willingness to grant the Option
to the Optionee.

         The  Optionee  acknowledges  that  the  grant  of  the  Option  by  the
Corporation is in lieu of any and all other  promises of the  Corporation to the
Optionee,  whether written or oral,  express or implied,  regarding the grant of
options or other rights to acquire Stock.  Accordingly,  in  anticipation of the
grant of the Option,  the Optionee hereby  relinquishes all rights to such other
rights, if any, to acquire stock of the Corporation.

         In  addition,  the Optionee  makes the  following  representations  and
warranties:

         1.  The  Optionee  acknowledges  receipt  of a  copy  of the  Plan  and
Agreement. The Optionee has carefully reviewed the Plan and Agreement.

         2. The Optionee  acknowledges  that an  investment  in the  Corporation
represents  a  speculative  investment  and a high degree of risk.  The Optionee
acknowledges  that the Optionee has had the opportunity to obtain and review all
information  from  the  Corporation  necessary  to  make a  reasonably  informed
investment  decision and that the Optionee  has had all  questions  asked of the
Corporation  answered  to  the  reasonable  satisfaction  of the  Optionee.  The
Optionee is able to bear the economic  risk of an  investment  in the Option and
the Stock.



                               Exhibit A - Page 1


<PAGE>



         3. The Optionee  understands and acknowledges that the Stock may not be
sold  without  compliance  with the  registration  requirements  of federal  and
applicable  state  securities  laws  unless  an  exemption  from  such  laws  is
available.  The Optionee understands that the certificate representing the Stock
shall bear the legends set forth in the Plan.

         4. The Optionee  understands and  acknowledges  that the Option and the
Stock are subject to the terms and conditions of the Plan.

         5. The Optionee understands and agrees that, at the time of exercise of
any part of the Option for Stock,  the  Optionee  may be required to provide the
Corporation with additional representations, warranties and/or covenants similar
to those contained in this letter.

         6. The Optionee will notify the  Corporation  immediately of any change
in the above  information which occurs before the Option is exercised in full by
the Optionee.

         The   foregoing   representations   and   warranties   are   given   on
______________, 1998 at --------------------.


                                           OPTIONEE:


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



                               Exhibit A - Page 2


<PAGE>



                                    EXHIBIT B


                                                ____________, 1998




Advanced Aerodynamics & Structures, Inc.
3060 Airport Way
Long Beach, CA  90806

         Re:  1998 Stock Option Plan

To Whom It May Concern:

         I (the  "Optionee")  hereby  exercise  my right to  purchase  shares of
common  stock (the  "Stock") of Advanced  Aerodynamics  &  Structures,  Inc.,  a
Delaware corporation (the "Corporation"),  pursuant to the Advanced Aerodynamics
& Structures,  Inc. 1998 Stock Option Plan dated [26] (the "Plan") and the Stock
Option  Agreement  (the  "Agreement")  dated , 1998. As provided in such Plan, I
deliver herewith payment as set forth in the Plan in the amount of the aggregate
option  exercise  price.  Please  deliver to me at my address as set forth above
stock  certificates  representing the subject shares  registered in my name (and
(spouse) , as (style of vesting)).

         The Optionee hereby represents as follows:

         1.  The  Optionee  acknowledges  receipt  of a  copy  of the  Plan  and
Agreement. The Optionee has carefully reviewed the Plan and Agreement.

         2. The Optionee is able to bear the economic risk of his  investment in
the stock  options  of the  Corporation  and the Stock  issuable  upon  exercise
thereof.

         3. The Optionee  acknowledges  that an  investment  in the  Corporation
represents  a  speculative  investment  and a high degree of risk.  The Optionee
acknowledges  that the Optionee has had the opportunity to obtain and review all
information  from  the  Corporation  necessary  to  make a  reasonably  informed
investment  decision and that the Optionee  has had all  questions  asked of the
Corporation answered to the reasonable satisfaction of the Optionee.




                               Exhibit B - Page 1



<PAGE>


         The   foregoing   representations   and   warranties   are   given   on
______________, 1998 at --------------------.


                                    OPTIONEE:






                               Exhibit B - Page 2





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