STC SR02057NY
FAA DRS lists SR02057NY as Current · Issued, held by Carson Helicopters, Inc, for Sikorsky Aircraft S-61L, Sikorsky Aircraft S-61N, and Sikorsky Aircraft S-61NM, and 1 more aircraft configuration. Recorded change: Upgrade of the S6135-20600 series main gearbox by replacing input free-wheeling units in accordance with Carson drawing. IFWU INSTL Carson S-61 No. CHI-R-001, no revision, dated 12-15-04 and Carson Installation Instructions Report CHI-R-INSTALL, no revision, dated 12-14-04. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SR02057NY 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-61L, Sikorsky Aircraft S-61N, and Sikorsky Aircraft S-61NM, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
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