STC SR00274BO
FAA DRS lists SR00274BO as Current · Reissued, held by Pro Star Aviation, LLC, for Sikorsky Aircraft S-76A, Sikorsky Aircraft S-76B, and Sikorsky Aircraft S-76C. Recorded change: Installation of an L3 Communications GH-3100 Electronic Standby Instrument System (ESIS) and Optional Emergency Bus. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SR00274BO 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-76A, Sikorsky Aircraft S-76B, and Sikorsky Aircraft S-76C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks