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.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued
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.
Related safety and emergency equipment STCs
Installation of a second 77 cubic-foot oxygen bottle in nose radome area, above existing bottle.
FAA holder: Gulfstream Aerospace Corporation
Installation of an Oxygen Filler Panel with Pressure Gauge.
FAA holder: Gulfstream Aerospace Corporation
Installation of Air Cruisers emergency flotation system.
FAA holder: Air Cruisers Company
FAA record reference
- STC number
- ST01159WI
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- January 9, 2003
- Revision date
- March 28, 2003
- CFR references
- Part 21