STC ST01159WI
FAA DRS lists ST01159WI as Current · Issued, held by Duncan Aviation Inc, for Learjet 31 and Learjet 35A (C-21A). Recorded change: Installation of a Honeywell MK-VIII Enhanced Ground Proximity Warning System (EGPWS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01159WI 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 31 and Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
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