The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 6

STC Holder: Airforce Turbine Service P.O. Box 146, Tynan, TX 78391, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE09144SC	Status: Current	App Date:	Rev Date: 01/18/1996
Description: Installation of an alternate gas generator case.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-41, PT6A-41AG
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Airforce Turbine Service P.O. Box 146, Tynan, TX 78391, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE09286SC	Status: Current	App Date:	Rev Date: 12/05/1996
Description: Installation of an alternate gas generator case.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-114, PT6A-114A, PT6A-116, PT6A-135, PT6A-135A, PT6A-34, PT6A-34AG, PT6A-34B, PT6A-36
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Airforce Turbine Service P.O. Box 146, Tynan, TX 78391, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE09413SC	Status: Current	App Date:	Rev Date: 12/23/1998
Description: Install modified gas generator module.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-41
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Airforce Turbine Service 11557 Hwy. 359, Mathis, TX 78368, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE11139SC	Status: Current	App Date: 10/10/2010	Rev Date: 07/21/2014
Description: The conversion of the Pratt & Whitney Canada, Model PT6A-135 to a PT6A-135A turboprop engine
TC Nos.: E4EA
Models: Pratt & Whitney Canada Corp.PT6A-135
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Airforce Turbine Service P.O. Box 146, Tynan, TX 78391, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE7677SW	Status: Current	App Date:	Rev Date: 12/01/1989
Description: Modifiy the P&W Canada PT-6A-27, -28, -15AG to the PT6A-34 configuration.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-15AG, PT6A-27, PT6A-28
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Airforce Turbine Service P.O. Box 146, Tynan, TX 78391, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE8319SW	Status: Current	App Date:	Rev Date: 03/12/1992
Description: Conversion of P&W Canada PT6A-15AG to PT6A-27 model configuration.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-15AG
ACO: AIR-760: Central Certification Branch FTW