Exhibit 3.73


                          CERTIFICATE OF INCORPORATION

                                       OF

                  JET ELECTRONICS AND TECHNOLOGY, INCORPORATED





                          CERTIFICATE OF INCORPORATION

                                       OF

                  JET ELECTRONICS AND TECHNOLOGY, INCORPORATED

                                    * * * * *


         FIRST. The name of the corporation is JET ELECTRONICS AND TECHNOLOGY,

INCORPORATED.


         SECOND. The address of its registered office in the State of Delaware

is No. 100 West Tenth Street, in the City of Wilmington, County of New Castle.

The name of its registered agent at such address is The Corporation Trust

Company.


         THIRD. The nature of the business or purposes to be conducted or

promoted is:


         To engage in any lawful act or activity for which corporations may be

organized under the General Corporation Law of Delaware.


         FOURTH. The total number of shares of Common stock which the

corporation shall have authority to issue is five hundred thousand (500,000) and

the par value of each of such shares is One Dollar ($1.00) amounting in the

aggregate to Five Hundred Thousand Dollars ($500,000.00).


         At all elections of directors of the corporation, each stockholder

shall be entitled to as many votes as shall equal the number of votes which

(except for such provision as to cumulative voting) he would be entitled to cast

for the election of directors with respect to his share of stock multiplied by

the number of directors to be elected, and he may cast all of such votes for a

single director or may distribute them among the number to be voted for, or for

any two or more of them as he may see fit.


                                                                               2

         FIFTH. The name and mailing address of each incorporator is as follows:

         NAME                         MAILING ADDRESS
         ----                         ---------------
         B. J. Consono                100 West Tenth Street
                                      Wilmington, Delaware

         F. J. Obara, Jr.             100 West Tenth Street
                                      Wilmington, Delaware

         J. J. Rivera                 100 West Tenth Street
                                      Wilmington, Delaware

         SIXTH. The corporation is to have perpetual existence.


         SEVENTH. In furtherance and not in limitation of the powers conferred

by statute, the board of directors is expressly authorized:


         To make, alter or repeal the by-laws of the corporation.


         To authorize and cause to be executed mortgages and liens upon the real

and personal property of the corporation.


         To set apart out of any of the funds of the corporation available for

dividends a reserve or reserves for any proper purpose and to abolish any such

reserve in the manner in which it was created.


         By a majority of the whole board, to designate one or more committees,

each committee to consist of two or more of the directors of the corporation.

The board may designate one or more directors as alternate members of any

committee, who may replace any absent or disqualified member at any meeting of

the committee. Any such committee, to the extent provided in the resolution or

in the by-laws of the corporation, shall have and may exercise the powers of the

board of directors in the management of the business and affairs of the

corporation, and may authorize the seal of the corporation to be affixed to all

papers which may require it, provided, however, the by-laws may provide that in

the absence or disqualification of



                                                                               3

any member of such committee or committees, the member or members thereof

present at any meeting and not disqualified from voting, whether or not he or

they constitute a quorum, may unanimously appoint another member of the board of

directors to act at the meeting in the place of any such absent or disqualified

member.


         When and as authorized by the affirmative vote of the holders of a

majority of the stock issued and outstanding having voting power given at a

stockholders' meeting duly called upon such notice as is required by statute, or

when authorized by the written consent of the holders of a majority of the

voting stock issued and outstanding, to sell, lease or exchange all or

substantially all of the property and assets of the corporation, including its

good will and its corporate franchises, upon such terms and conditions and for

such consideration, which may consist in whole or in part of money or property

including shares of stock in, and/or other securities of, any other corporation

or corporations, as its board of directors shall deem expedient and for the best

interests of the corporation.


         EIGHTH. Whenever a compromise or arrangement is proposed between this

corporation and its creditors or any class of them and/or between this

corporation and its stockholders or any class of them, any court of equitable

jurisdiction within the State of Delaware may, on the application in a summary

way of this corporation or of any creditor or stockholder thereof, or on the

application of any receiver or receivers appointed for this corporation under

the provisions of section 291 of Title 8 of the Delaware Code or on the

application of trustees in dissolution or of any receiver or receivers appointed

for this corporation under the provisions of section 279 of Title 8 of the

Delaware Code order a meeting of the creditors or class of creditors, and/or of

the stockholders or class of stockholders of this corporation, as the case may

be, to be summoned in such manner as the said court directs. If a



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majority in number representing three-fourths in value of the creditors or

class of creditors, and/or of the stockholders or class of stockholders of this

corporation, as the case may be, agree to any compromise or arrangement and to

any reorganization of this corporation as consequence of such compromise or

arrangement, the said compromise or arrangement and the said reorganization

shall, if sanctioned by the court to which the said application has been made,

be binding on all the creditors or class of creditors, and/or on all the

stockholders or class of stockholders, of this corporation, as the case may be,

and also on this corporation.


         NINTH. Meetings of stockholders may be held within or without the State

of Delaware, as the by-laws may provide. The books of the corporation may be

kept (subject to any provision contained in the statutes) outside the State of

Delaware at such place or places as my be designated from time to time by the

board of directors or in the by-laws of the corporation. Elections of directors

need not be by written ballot unless the by-laws of the corporation shall so

provide.


         TENTH. The corporation reserves the right to amend, alter, change or

repeal any provision contained in this certificate of incorporation, in the

manner now or hereafter prescribed by statute, and all rights conferred upon

stockholders herein are granted subject to this reservation.


                                                                               5

         WE, THE UNDERSIGNED, being each of the incorporators hereinbefore

named, for the purpose of forming a corporation pursuant to the General

Corporation Law of the State of Delaware, do make this certificate, hereby

declaring and certifying that this is our act and deed and the facts herein

stated are true, and accordingly have hereunto set our hands this first day of

May, 1968.

                                              /s/ B. J. Consono
                                              ----------------------------------

                                              /s/ F. J. Obara, Jr.
                                              ----------------------------------

                                              /s/ J. C. Rivera
                                              ----------------------------------







STATE OF DELAWARE                          )
                                           )        ss:
COUNTY OF NEW CASTLE                       )

                  BE IT REMEMBERED that on this 1st day of May, 1968, personally
         came before me, a Notary Public for the State of Delaware, B. J.
         Consono, F. J. Obara, Jr. and J. L Rivera, all of the parties to the
         foregoing certificate of incorporation, known to me personally to be
         such, and severally acknowledged the said certificate to be the act and
         deed of the signers respectively and that the facts stated therein are
         true.

                  GIVEN under my hand and seal of office the day and year
         aforesaid.


                                                        /s/
                                                     ---------------------------
                                                     Notary Public




                           CERTIFICATE OF AMENDMENT OF
                         CERTIFICATE OF INCORPORATION OF
                  JET ELECTRONICS AND TECHNOLOGY, INCORPORATED

         Jet Electronics and Technology, Incorporated, a corporation organized
and existing under and by virtue of the General Corporation Law of the State of
Delaware, DOES HEREBY CERTIFY:

         FIRST: That the Board of Directors of said corporation by the unanimous
written consent of its members, filed with the minutes of the Board, adopted a
resolution proposing and declaring advisable the following amendment to the
Certificate of Incorporation of said corporation:

         NOW, THEREFORE, BE IT RESOLVED, that the Certificate of Incorporation
         of Jet Electronics and Technology, Incorporated be amended by changing
         the first paragraph of the FOURTH Article thereof so that, as amended,
         said first paragraph of the Article shall be and read as follows:

                  "The total number of shares of Common Stock which the
                  corporation shall have authority to issue is one thousand
                  (1,000) and the par value of each of such shares is One Dollar
                  ($1.00) amounting in the aggregate to One Thousand Dollars
                  ($1,000.00)."

         SECOND: That in lieu of a meeting and vote of stockholders, the sole
shareholder has given unanimous written consent to said amendment in accordance
with the provisions of section 228 of the General Corporation Law of the State
of Delaware.

         THIRD: That the aforesaid amendment was duly adopted in accordance with
the applicable provisions of sections 242 and 228 of the General Corporation Law
of the State of Delaware.

         IN WITNESS WHEREOF, said Jet Electronics and Technology, Incorporated
has caused this Certificate to be signed by George K. Sherwood, its Vice
President, and attested by Nicholas J. Calise, its Secretary, this 12th day of
December, 1988.

                                              /s/ George K. Sherwood
                                              ----------------------------------
                                              George K. Sherwood
                                              Vice President
ATTEST:

/s/ Nicholas J. Calise
- ----------------------
Nicholas J. Calise
Secretary






                           CERTIFICATE OF AMENDMENT OF

                          CERTIFICATE OF INCORPORATION

                  JET ELECTRONICS AND TECHNOLOGY, INCORPORATED


         Jet Electronics and Technology, Incorporated, a corporation organized
and existing under and by virtue of the General Corporation Law of the State of
Delaware,

         DOES HEREBY CERTIFY:

         FIRST: That the Board of Directors of said corporation by the unanimous
written consent of its members, filed with the minutes of the Board, adopted a
resolution proposing and declaring advisable the following amendment to the
Certificate of Incorporation of said corporation:

         RESOLVED, that the Certificate of Incorporation of Jet Electronics and
         Technology, Incorporated be amended by changing the FIRST Article
         thereof, effective June 1, 1996, so that, as amended, said Article
         shall be and read as follows:

                  FIRST. The name of the corporation is BFGoodrich Avionics
                  Systems, Inc.

         SECOND: That in lieu of a meeting and vote of stockholders, the
stockholders have given unanimous written consent to said amendment in
accordance with the provisions of Section 228 of the General Corporation Law of
the State of Delaware.

         THIRD: That the aforesaid amendment was duly adopted in accordance with
the applicable provisions of Sections 242 and 228 of the General Corporation Law
of the State of Delaware.

         FOURTH: The effective date of the aforesaid amendment shall be June 1,
1996.

         IN WITNESS WHEREOF, said Jet Electronics and Technology, Incorporated
has caused this certificate to be signed by George K. Sherwood, its Vice
President and attested by Nicholas J. Calise, its Secretary this 29th day of
May, 1996.


                                              /s/ George K. Sherwood
                                              ----------------------------------
                                              George K. Sherwood, Vice President
ATTEST:

/s/ Nicholas J. Calise
- ----------------------
Nicholas J. Calise, Secretary






                           CERTIFICATE OF AMENDMENT OF

                          CERTIFICATE OF INCORPORATION

                        BFGOODRICH AVIONICS SYSTEMS, INC.

         BFGoodrich Avionics Systems, Inc., a corporation organized and existing
under and by virtue of the General Corporation Law of the State of Delaware,

         DOES HEREBY CERTIFY:

         FIRST: That the Board of Directors of said corporation by the unanimous
written consent of its members, filed with the minutes of the Board of
Directors, adopted a resolution proposing and declaring advisable the following
amendment to the Certificate of Incorporation of said corporation:

         RESOLVED, that the Certificate of Incorporation of BFGoodrich Avionics
         Systems, Inc. be amended by changing the FIRST Article thereof,
         effective June 1, 2001, so that, as amended, said Article shall be read
         as follows:

         FIRST: The name of the corporation is Goodrich Avionics Systems, Inc.

         SECOND: That in lieu of a meeting and vote of shareholders, the
shareholders have given unanimous written consent to said amendment in
accordance with the provisions of Section 228 of the General Corporation Law of
the State of Delaware.

         THIRD: That the aforesaid amendment was duly adopted in accordance with
the applicable provisions of Sections 242 and 228 of the General Corporation Law
of the State of Delaware:

         FOURTH: The effective date of the aforesaid amendment shall be June 1,
2001.

         IN WITNESS WHEREOF, said BFGoodrich Avionics Systems, Inc. has caused
this certificate to be signed by Edward S. Kalvenas, its President, and attested
by Kenneth L. Wagner, its Secretary, this 15th day of May, 2001.


                                              /s/ Kenneth L. Wagner
                                              ----------------------------------
                                              Kenneth L. Wagner, Secretary
ATTEST:

/s/ Alexander C. Schoch
- ----------------------------------------
Alexander C. Schoch, Assistant Secretary