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: 3

STC Holder: ASCENT POWER INC. 485 South Rock Blvd., Reno, NV 84502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00036SE	Status: Current	App Date: 09/30/1987	Rev Date: 06/24/2022
Description: Installation of two Allison 250-C20R engines and associated systems.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206L-1, 206L-3, 206L-4
ACO: AIR-770: West Certification Branch LA

STC Holder: ASCENT POWER INC. 485 South Rock Boulevard, Reno, NV 84502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01124LA	Status: Current	App Date: 12/01/2000	Rev Date: 04/27/2022
Description: Installation of Pratt & Whitney PT6T-3DE, or -3DF Twin-Pac in place of PT6T-3 or PT6T-3B Twin-Pac
TC Nos.: H4SW
Models: Bell Helicopter Textron212
ACO: AIR-770: West Certification Branch LA

STC Holder: ASCENT POWER INC. 485 South Rock Boulevard, Reno, NV 84502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01124LA	Status: Historical	App Date: 12/01/2000	Rev Date: 10/27/2020
Description: Installation of Pratt & Whitney PT6T-3DE, or -3DF Twin-Pac in place of PT6T-3 or PT6T-3B Twin-Pac
TC Nos.: H4SW
Models: Bell Helicopter Textron212
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200