STC SA4421NM
FAA DRS lists SA4421NM as Current · Reissued, held by GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services, for Gulfstream Aerospace G-1159A. Recorded change: Installation of single or dual Global GNS-500A VLF/Omega navigation system and optional Global NDB-2 navigation data bank. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4421NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Gulfstream Aerospace G-1159A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Installation of Sperry EDZ-600 electronic flight instrument system (pilot's position).
FAA holder: Textron Aviation Inc