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
Installation of AiResearch TSE-331-3U-303N engine and related changes.
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.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Sikorsky Aircraft S-55 and Sikorsky Aircraft S-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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