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: National Supply Company Allegheny County Airport, Dravosburg, PA 15034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA84WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Sperry A-12 autopilot.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: AIR-750: East Certification Branch NY

STC Holder: National Supply Company Allegheny County Airport, Dravosburg, PA 15034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA84WE	Status: Historical	App Date:	Rev Date:
Description: Sperry A-12 autopilot.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: New York ACO Branch, Tel: +1 (516) 228-7300