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Other aircraft modifications

STC SR09550RC

FAA DRS lists SR09550RC as Current · Issued, held by Petroleum Helicopters Inc, for Sikorsky Aircraft S-76A and Sikorsky Aircraft S-76C. Recorded change: Installation cyclic grip assembly float switch guard. Snapshot dated June 30, 2026.

FAA-listed holder
Petroleum Helicopters Inc
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation cyclic grip assembly float switch guard.

SR09550RC 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 and Sikorsky Aircraft S-76C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Sikorsky Aircraft S-76AH1NESikorsky Aircraft S-76CH1NE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Sikorsky Aircraft S-76A and Sikorsky Aircraft S-76C model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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?

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