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: Air Carrier Service Corporation 2233 Wisconsin Ave N.W., Washington, DC 20007, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-35	Status: Current	App Date:	Rev Date: 10/24/1966
Description: Internally mounter Aerojet General engines.
TC Nos.: A-618, A-669
Models: McDonnell Douglas CorporationDC-3 Series, DC-3 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: Air Carrier Service Corporation 2233 Wisconsin Ave N.W., Washington, DC 20007, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA665SW	Status: Current	App Date:	Rev Date: 01/01/1960
Description: deHavilland airborne profile recorder in aft fuselage.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation680 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: Air Carrier Service Corporation 2233 Wisconsin Ave N.W., Washington, DC 20007, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA665SW	Status: Historical	App Date:	Rev Date:
Description: deHavilland airborne profile recorder in aft fuselage.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation680 Series
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151