STC ST11144SC
FAA DRS lists ST11144SC as Current · Reissued, held by Aircraft Systems and Manufacturing Inc, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Recorded change: Installation of Extended Squitter Mode S Transponders and GPS Position Source. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Extended Squitter Mode S Transponders and GPS Position Source.
ST11144SC 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: Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 737-300 Series and Boeing 737-400 Series, and 1 more aircraft configuration model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes 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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