STC SR03310CH
FAA DRS lists SR03310CH as Current · Issued, held by National Aircraft Service Inc, for Sikorsky Aircraft S-58A, Sikorsky Aircraft S-58B, and Sikorsky Aircraft S-58BT, and 20 more aircraft configurations. Recorded change: Installation of NASI Air Conditioning Module. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of NASI Air Conditioning Module.
SR03310CH 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-58A, Sikorsky Aircraft S-58B, and Sikorsky Aircraft S-58BT, and 20 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Sikorsky Aircraft S-58A and Sikorsky Aircraft S-58B, and 21 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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Installation of number 3 Sperry Gyro P/N 2587335-12.
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Remote Operator Two (Remote OP2) Station ground capabilities.
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