STC ST437CH-D
FAA DRS lists ST437CH-D as Current · Reissued, held by Duncan Aviation Inc, for Gulfstream Aerospace G-1159. Recorded change: Installation of AlliedSignal GNS-XLS flight management system. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
ST437CH-D 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-1159. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
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FAA holder: Innotech Aviation a Division of IMP Group Limited
Installation of Wipline 6100 Floats.
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Installation of modified Edo model 679-4930 floats.
FAA holder: Avionnerie Valdor Inc.