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
Installation of an AlliedSignal Inc TFE731-3C/3CR Turbofan engine(s).
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.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Learjet Learjet 55C and Learjet Learjet 55B, and 1 more aircraft configuration model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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