STC ST01051CH-D
FAA DRS lists ST01051CH-D as Current · Reissued, held by Landmark Aviation, for Learjet Learjet 55C, Learjet Learjet 55B, and Learjet Learjet 55. Recorded change: Installation of an AlliedSignal Inc TFE731-3C/3CR Turbofan engine(s). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01051CH-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 55C, Learjet Learjet 55B, and Learjet Learjet 55. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of NS80-200 Voltmeter, NS80-300 Ammeter, NS80-400 Flap Indicator, NS80-500 Fuel Quantity Indicators, NS80-800 Engine Instruments.
FAA holder: North Star Aircraft Maintenance Ltd.
Manufacture of replacement engine cowling.
FAA holder: Bell Helicopter Textron Inc.
Installation of alternate Ram Air System for engine induction and sealed cowling.
FAA holder: D'Shannon Products Ltd.
FAA record reference
- STC number
- ST01051CH-D
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- February 3, 2000
- Revision date
- April 25, 2006
- CFR references
- Part 21, Part 25