Exhibit 3.87

                                    DELAWARE
                  --------------------------------------------            PAGE 1
                                 The First State


         I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE,
DO HEREBY CERTIFY THE ATTACHED ARE TRUE AND CORRECT COPIES OF ALL DOCUMENTS ON
FILE OF "L-3 COMMUNICATIONS FLIGHT INTERNATIONAL AVIATION LLC" AS RECEIVED AND
FILED IN THIS OFFICE.

         THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

         CERTIFICATE OF FORMATION, FILED THE EIGHTEENTH DAY OF NOVEMBER, A.D.
2002, AT 1:30 O'CLOCK P.M.

         CERTIFICATE OF AMENDMENT, CHANGING ITS NAME FROM "FLIGHT INTERNATIONAL
AVIATION LLC" TO "L-3 COMMUNICATIONS FLIGHT INTERNATIONAL AVIATION LLC", FILED
THE FIFTEENTH DAY OF DECEMBER, A.D. 2003, AT 5:34 O'CLOCK P.M.

         AND I DO HEREBY FURTHER CERTIFY THAT THE AFORESAID CERTIFICATES ARE THE
ONLY CERTIFICATES ON RECORD OF THE AFORESAID LIMITED LIABILITY COMPANY.

                                              /s/ Harriet Smith Windsor
                                             --------------------------------
                                             Harriet Smith Windsor,
                                             Secretary of State

3589103 8100H                                       AUTHENTICATION:      2823388
030817876                                                     DATE:     12-18-03





                                                           STATE OF DELAWARE
                                                          SECRETARY OF STATE
                                                       DIVISION OF CORPORATIONS
                                                       FILED 01:30 PM 11/18/2002
                                                          020708842 - 3589103


                            CERTIFICATE OF FORMATION

                                       of

                        FLIGHT INTERNATIONAL AVIATION LLC

                   (Pursuant to Section 18-201 of the Limited
                 Liability Company Act of the State of Delaware)

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

         The undersigned, desiring to form a limited liability company pursuant
to the provisions of the Limited Liability Company Act of the State of Delaware,
hereby certifies as follows:

         1. The name of the limited liability company is: Flight International
Aviation LLC (the "Company").

         2. The address of the registered office of the Company in the State of
Delaware is 1209 Orange Street, City of Wilmington, County of New Castle,
Delaware 19801. The name of the registered agent of the Company for service of
process at such address is The Corporation Trust Company.

         THE UNDERSIGNED, being duly authorized, has executed this certificate
as of November 15, 2002.

                                                     /s/ Christian H. Mittweg
                                                     ---------------------------
                                                     Christian H. Mittweg
                                                     Authorized Person





                            CERTIFICATE OF AMENDMENT

                                     OF THE

                            CERTIFICATE OF FORMATION

                                       OF

                        FLIGHT INTERNATIONAL AVIATION LLC

         The undersigned, desiring to amend the certificate of formation of a
Delaware limited liability company under the provisions of the Limited Liability
Company Act of the State of Delaware, hereby certifies as follows:

         1. The name of the limited liability company is Flight International
Aviation LLC.

         2. The date of filing the Company's original certificate of formation
by the Secretary of State of the State of Delaware la November 18, 2002.

         3. Article 1 of said certificate of formation, which Article sets forth
the name of the Company, is hereby amended to change the name of the Company
from its present name to "L-3 Communications Flight International Aviation LLC",
said amended Article 1 to read in its entirety as follows:

         "The name of the limited liability company is: L-3 Communications
Flight International Aviation LLC."

         IN WITNESS WHEREOF, the undersigned has executed this Certificate of
Amendment of Flight International Aviation LLC this 9th day of December, 2003.


                                               /s/ Christopher C. Cambria
                                              ----------------------------------
                                              Christopher C. Cambria
                                              Vice President and Secretary




                                                         State of Delaware
                                                        Secretary of State
                                                     Division of Corporations
                                                   Delivered 07:41 PM 12/15/2003
                                                     FILED 05:34 PM 12/15/2003
                                                   SRV 030806813 - 3589103 FILE