STC SH127WE
FAA DRS lists SH127WE as Current · Reissued, held by Whisper Jet Inc., for Sikorsky Aircraft S-55, Sikorsky Aircraft S-55B, and Sikorsky Aircraft S-55C. Recorded change: Installation of AiResearch TSE-331-3U-303N engine and related changes. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SH127WE 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: Sikorsky Aircraft S-55, Sikorsky Aircraft S-55B, and Sikorsky Aircraft S-55C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of Canadian Marconi CMA-730 Engine and Fuel Quantity Instrumentation.
FAA holder: Textron Aviation Inc
Installation of Canadian Marconi CMA-730 Engine Instruments.
FAA holder: Textron Aviation Inc
FAA record reference
- STC number
- SH127WE
- Product
- Aircraft · Rotorcraft
- Country
- United States
- Application date
- August 8, 1968
- Revision date
- October 13, 2000
- CFR references
- Part 21, Part 29, Part 91