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
Installation of Garmin GTX33H Mode S Transponder and GTS Traffic System.
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
Confirm before sourcing
- 01Does it cover the exact Sikorsky Aircraft S-76B and Sikorsky Aircraft S-76C model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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.
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Installation of a Multi-Purpose Control Display Unit (MCDU) P/N 170089-02-01, Audio Select Panel, P/N 5145-77, and on Oxygen Mask Stowage Box, P/N MXP147-5.
FAA holder: LMI Aerospace