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Avionics

STC SR09477RC

FAA DRS lists SR09477RC as Current · Reissued, held by Keystone Helicopter Corp., for Sikorsky Aircraft S-92A. Recorded change: Installation of Electronic Standby Instrument System (ESIS) for the Sikorski Model S-92 helicopter. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Electronic Standby Instrument System (ESIS) for the Sikorski Model S-92 helicopter.

SR09477RC 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-92A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Sikorsky Aircraft S-92A model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?