STC SR03551NY
FAA DRS lists SR03551NY as Current · Amended, held by Maxcraft Avionics Ltd., for Sikorsky Aircraft S-76B and Sikorsky Aircraft S-76C. Recorded change: Installation of Garmin GTX33H Mode S Transponder and GTS Traffic System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SR03551NY 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-76B and Sikorsky Aircraft S-76C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Upgrade for ADS-B Out capability on aircraft equipped with Primus II Radio Suites.
FAA holder: 328 Support Services GmbH
Installation of the Garmin GTX 330 ES transponder to provide an Automatic Dependent Surveillance - Broadcast (ADS-B) out solution.
FAA holder: United States Government Light Utility Helicopter Product Office