STC SR02748CH
FAA DRS lists SR02748CH as Current · Issued, held by Mayday Avionics Inc, for Sikorsky Aircraft S-76A, Sikorsky Aircraft S-76B, and Sikorsky Aircraft S-76C. Recorded change: Installation of a Honeywell Mark XXII Enhanced Ground Proximity Warning System (EGPWS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Honeywell Mark XXII Enhanced Ground Proximity Warning System (EGPWS).
SR02748CH 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
Confirm before sourcing
- 01Does it cover the exact Sikorsky Aircraft S-76A and Sikorsky Aircraft S-76B, and 1 more aircraft configuration model, serial range, and configuration?
- 02Which equipment, inspection intervals, procedures, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related safety and emergency equipment STCs
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