STC SH4680SW
FAA DRS lists SH4680SW as Current · Reissued, held by Enviro Systems Inc., for Sikorsky Aircraft S-76A. Recorded change: Installation of Freon air conditioning system in accordance with Drawing List Report No. DL-5, Revision C, dated April 1, 1983, or later FAA approved revision. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SH4680SW 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. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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