STC SA2-274
FAA DRS lists SA2-274 as Current · Reissued, held by Signature Flight Support Corporation, for Lockheed Martin Aeronautics 18. Recorded change: Installation of propeller spinner. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of propeller spinner.
SA2-274 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: Lockheed Martin Aeronautics 18. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Lockheed Martin Aeronautics 18 model, serial range, and configuration?
- 02Which propeller, governor, spinner, engine, and vibration limits apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related propellers STCs
Installation of MT-Propeller MTV-9-B/198-52 constant speed propeller in accordance with Professional Pilots Inc. Installation Instructions #SUTN3201MT, dated December 22, 2006, or later FAA approved revision.
FAA holder: Professional Pilots Inc.
Installation of McCauley Propeller model 1A175GM824X.
FAA holder: Svenn s Aviation LLC
Installation of Hartzell Propeller Models PHC-C3YF-1RF/F8068-4 to F8068+2 and PHC-G3YF-1RF/F8068-4 to F8068+2.
FAA holder: Knopp Steve and Norma
Installation of a Hartzell HC-J3YF-1RF/F7691+2 propeller and C-4582-(P) spinner.
FAA holder: Hartzell Propeller Inc