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: Roger G. Knight 1021 242nd Place, Ocean Park, WA 98640, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1774WE	Status: Historical	App Date: 05/25/1968	Rev Date: 04/09/2012
Description: Installation of Lycoming O-320-E2D engine and McCauley 1C172/MTM7653 propeller.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A)
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Roger G. Knight 1021 242nd Place, Ocean Park, WA 98640, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1774WE	Status: Historical	App Date: 05/25/1968	Rev Date: 01/27/2011
Description: Installation of Lycoming O-320-E2D engine and McCauley 1C172/MTM7653 propeller.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A)
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500