ARTICLES OF INCORPORATION

                                       of

                                 INTAERO, INC.
                             an Arizona corporation

     The undersigned persons have associated themselves for the purpose of
forming a corporation under the laws of Arizona and adopt the following Articles
of Incorporation.

     1. Name. The name of this Corporation is:

                                  INTAERO, INC.

     2. Statutory Place of Business. The initial statutory place of business of
the Corporation shall be 10016 South 51st Street, Phoenix, Arizona 85044.

     3. Purpose and Powers. This Corporation is organized for the transaction of
any and all lawful business for which corporations may be incorporated under the
laws of the State of Arizona, as they may be amended from time to time.

     4. Initial Business. The general nature of the business proposed to be
transacted initially by the Corporation shall be as contractor and subcontractor
for products and components utilized in commercial airliners, commercial
helicopters, and other forms of transportation vehicles.

     5. Capital Stock. The authorized capital stock of the Corporation shall be
10,000 shares of Common Stock, $.01 par value.

          a. Consideration. Stock shall be issued when paid for in cash, past
services, real property or personal property and shall, when issued, be fully
paid for and forever nonassessable. The judgment of the Board of Directors as to
the value of any property contributed or services rendered in exchange for stock
shall be conclusive in the absence of fraud.

          b. voting Rights. Except with respect to the election of directors
where cumulative voting is required, the holders of the Common Stock shall be
entitled to one vote for each share held by them of record on the books of the
Corporation.

     6. Statutory Agent. The Corporation appoints Tiffany & Hoffmann, P.A., 3550
North Central Avenue, Suite 1801, Phoenix, Arizona 85012, its statutory agent in
and for the State of Arizona. This appointment may be revoked at any time by the
Board of Directors authorizing and directing the filing with the Arizona
Corporation Commission of a statement in accordance with A.R.S. Section
10-013(A) and (B).

     7. Board of Directors. The number of directors of the Corporation shall be
not less than one (1) nor more than fifteen (15) and may be altered from time to
time as may be provided in the Bylaws. In case of any increase in the number of
directors, the additional directors may be elected by the directors or by the
shareholders at any annual or special meeting, as shall be provided in the
Bylaws.


                                      -1-



     The initial Board of Directors shall consist of two persons, who shall
serve until his successor is qualified according to the Bylaws, and whose name
and address is:

          Name               Mailing Address
          ----               ---------------

          S. P. Desjardins   10016 South 51st Street
                             Phoenix, Arizona 85044

          Donald Townsend    10016 South 51st Street
                             Phoenix, Arizona 85044

     8. Incorporators. The names and addresses of the undersigned incorporators
are:

          Name               Mailing Address
          ----               ---------------

          Donald Townsend    10016 South 51st Street
                             Phoenix, Arizona 85044

          Cora Yanacek       10016 South 51st Street
                             Phoenix, Arizona 85044

     All powers, duties and responsibilities of the incorporators in their
capacity as such shall cease at the time of delivery of these Articles of
Incorporation to the Arizona Corporation Commission for filing.

     9. Director Conflicts of Interest. To the extent permitted and in
accordance with A.R.S. Section 10-041, no contract or other transaction between
the Corporation and one or more of its directors or any other corporation, firm,
association or entity in which one or more of its directors are directors or
officers or are financially interested, shall be either void or voidable because
of such relationship or interest or because such director or directors are
present at the meeting of the Board of Directors or a committee thereof which
authorizes, approves or ratifies such contract or transaction or because his or
their votes are counted for such purpose

     10. Elimination of Director Liability. The personal liability of the
directors shall be eliminated to the fullest extent permitted by the General
Corporation Law of Arizona. No director of the Corporation shall be liable to
the Corporation or its shareholders for monetary damages for breach of fiduciary
duty as a director. No amendment to or repeal of this Article shall apply to or
have any effect on the liability or alleged liability of any director of the
Corporation for or with respect to any acts or omissions of such director
occurring prior to such amendment or repeal.

     11. Powers of the Board of Directors. All of the powers of this
Corporation, insofar as the same may lawfully be vested by these Articles of
Incorporation in the Board of Directors, are hereby conferred upon the Board of
Directors of this Corporation.


                                      -2-



     IN WITNESS WHEREOF, the following incorporators have signed these Articles
of Incorporation on this 2 day of April, 1993.


                                        /s/ DONALD TOWNSEND
                                        ----------------------------------------
                                        DONALD TOWNSEND


                                        /s/ CORA YANACEK
                                        ----------------------------------------
                                        CORA YANACEK


                                      -3-




                              ARTICLES OF AMENDMENT
                                     TO THE
                           ARTICLES OF INCORPORATION
                                       OF
                                  INTAERO, INC.

     Pursuant to Sections 10-1001 et seq. of the Arizona General Corporation
Law, INTAERO, INC., an Arizona corporation, hereby amends its Articles of
Incorporation as follows:

FIRST:    Section One of the Articles of Incorporation is hereby amended to read
          as follows:

     "The name of the corporation is Simula Transportation Equipment
Corporation."

SECOND:   This amendment was adopted by the board of directors and sole
          shareholder of Intaero, Inc. pursuant to Section 10-1003 and 10-1006
          of the Arizona General Corporation Law effective January 1,1997.

THIRD:    The shares outstanding and entitled to vote on the amendment were
          5,000 shares of Common Stock, and no other shares were entitled to
          vote as a class or series.

FOURTH:   The number of shares voted for the amendment was 5,000. The number of
          shares voted against was 0 and the number of shares that abstained
          from voting was 0.

FIFTH:    The amendment does not provide for an exchange, reclassification or
          cancellation of issued shares nor effect a change in the amount of
          stated capital of Intaero, Inc.

     IN WITNESS WHEREOF, the undersigned officer hereby certifies this 6th
day of January, 1997, that the foregoing amendment has been duly adopted in
accordance with Sections 10-1001 et seq. of the Arizona General Corporation Law.

                                        INTAERO, INC., an Arizona corporation


                                        By /s/ Bradley P. Forst
                                           -------------------------------------
                                           Bradley P. Forst, Assistant Secretary