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: 5

STC Holder: Standard Aero Limited 33 Allen Dyne Road, Winnipeg, Manitoba, R3H 1A1, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE00691NY	Status: Current	App Date:	Rev Date: 10/07/1997
Description: Conversion of engine models PT6A-27 and -28 to Model PT6A-34 as described in Temporary Overhaul Data Revision.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-27, PT6A-28, PT6A-34
ACO: AIR-750: East Certification Branch NY

STC Holder: Standard Aero Limited 33 Allen Dyne Road, Winnipeg, Manitoba, R3H 1A1, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE00856NY	Status: Current	App Date:	Rev Date: 06/22/1998
Description: Conversion of PT6A-41 engine model to PT6A-42 engine model.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-41
ACO: AIR-750: East Certification Branch NY

STC Holder: Standard Aero Limited 33 Allen Dyne Road, Winnipeg, Manitoba, R3H 1A1, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE02688NY	Status: Current	App Date: 03/16/2009	Rev Date: 06/24/2009
Description: This modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine.
TC Nos.: E2NE
Models: Pratt & Whitney DivisionPT6A-28
ACO: AIR-750: East Certification Branch NY

STC Holder: Standard Aero Limited 707 Flight Road, Winnipeg, Manitoba R3H 1C6		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00218IB	Status: Historical	App Date: 04/19/2024	Rev Date: 09/10/2024
Description: Installation of the Cockpit Door
TC Nos.: 1H15
Models: Sikorsky AircraftS-61L, S-61N
ACO: AIR-730: International Validation Branch

STC Holder: Standard Aero Limited 707 Flight Road, Winnipeg, Manitoba, R3H 1C6		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00220IB	Status: Historical	App Date: 04/19/2024	Rev Date: 09/17/2024
Description: Installation of Replacement Avionics Shelves
TC Nos.: 1H15
Models: Sikorsky AircraftS-61L, S-61N
ACO: AIR-730: International Validation Branch