Skip to content
Engine and powerplant

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.

FAA-listed holder
Whisper Jet Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

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.

Sikorsky Aircraft S-551H4
Sikorsky Aircraft S-55B1H4
Sikorsky Aircraft S-55C1H4

Buyer checks

Confirm before sourcing

Related engine and powerplant STCs