STC ST01259CH-D
FAA DRS lists ST01259CH-D as Current · Amended, held by Garrett Aviation Services, for Learjet Learjet 31, Learjet Learjet 31 Series, and Learjet Learjet 31A. Recorded change: Installation of an AlliedSignal Mark VII Enhanced Ground Proximity Warning System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01259CH-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: Learjet Learjet 31, Learjet Learjet 31 Series, and Learjet Learjet 31A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related safety and emergency equipment STCs
Installation of Honeywell Aerospace MARK 7 Enhanced Ground Proximity Warning System (EGPWS) Upgrade.
FAA holder: Dassault Falcon Jet - Wilmington Corp
Installation of 406 MHz Emergency Locator Transmitter (ELT).
FAA holder: Aviation Systems Standards, Aircraft Maintenance and Engineering Division AVN-300