The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 2

STC Holder: RRI Inc. 470 Alamosa Drive, Sparks, NV 89436, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01127SE	Status: Historical	App Date: 02/09/1998	Rev Date: 06/10/2004
Description: Modification of main rotor blade part number 61170-20201 in accordance with Master Drawing List RR 9633-08, Revision A, dated September 17, 2002, or later FAA approved revision. Retirement life for the modified main rotor blade, part number RR-61170-20201 is 21,200 total time in service.
TC Nos.: 1H15, H2EA, H8EA, R00008LA
Models: Carson Helicopters Inc.S-61L Sikorsky Aircraft CorporationS-61A, S-61L, S-61N, S-61NM Siller HelicoptersSH-3A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: RRI Inc. 470 Alamosa Drive, Sparks, NV 89436, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01127SE	Status: Historical	App Date: 02/09/1998	Rev Date: 07/03/2003
Description: Modification of main rotor blade part number 61170-20201 in accordance with Master Drawing List RR 9633-08, Revision A, dated September 17, 2002, or later FAA approved revision. Retirement life for the modified main rotor blade, part number RR-61170-20201 is 21,200 total time in service.
TC Nos.: 1H15, H2EA, H8EA, R00008LA
Models: Carson Helicopters Inc.S-61L Sikorsky Aircraft CorporationS-61A, S-61L, S-61N, S-61NM Siller HelicoptersSH-3A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500