STC SA3984SW-D

%Lmttd £tatts of 2lnrrica Bepartment of ^Transportation—.federal 2toiation administration Supplemental t^pe Certificate SA3984 SW-D American Airlines, Inc.

P. O. Box 582809, MD 208 Tulsa, Oklahoma 74158-2809 *^-^^-^i^-'*«<^(z>^/£^<$^^£»i^«'«'«V^^^^ t-.^^^y£**^~z*^.^^^^ 25 y^ Federal Aviation iSl&a>u£a/t0'n&'.

&ftti&iin&v t^vaucf——*~"M/i£'~&c&&£tcctfaf*sYt4m60ft': A3\Vli Boeing 727-223,-227 Removal of Litton LTN-311 Omega/VLF Navigation Systems (ONS) and installation of Honeywell/Trimble HT9100 Global Navigation System (GNS) Flight Management Systems (GFMS) in accordance with American Airlines Engineering Change Order H4328XX, dated July 24,1996, and one prototype revision approval form 7721-5, dated September 8 1996, or later DAS 1SW approved revision.

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with other previously approved modifications has been determined by the installer.

Airplane Flight Manual Supplement 1 1 to D6-8728.3 for Boeing 727-200 With a Dual Honeywell/Trimble Model HT9 100 GNS Flight Management System dated September 11,1996 is required.

ur June 5, 1996 September 1 1, 1996 ' (Signature) DAS 1S WICoordinator (TMi)

FAA FO«M 8110-3 (10-68)

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Signature of grantor (In ink):