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: 5

STC Holder: Potter Aircraft Svc Inc Lockheed Air Terminal, Burbank, CA 91502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1117WE	Status: Current	App Date:	Rev Date: 07/19/1966
Description: Wing flap operated aural warning system.
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC (Navy R5D), DC-4
ACO: AIR-770: West Certification Branch LA

STC Holder: Potter Aircraft Svc Inc Lockheed Air Terminal, Burbank, CA 91502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-185	Status: Current	App Date:	Rev Date: 01/01/1960
Description: DC3 exhaust collector ring with modified short stack and new carburetor heat muff assembly on Wright R-1820-56 engine.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-770: West Certification Branch LA

STC Holder: Potter Aircraft Svc Inc Lockheed Air Terminal, Burbank, CA 91502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-185	Status: Historical	App Date:	Rev Date:
Description: DC3 exhaust collector ring with modified short stack and new carburetor heat muff assembly on Wright R-1820-56 engine.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Potter Aircraft Svc Inc Lockheed Air Terminal, Burbank, CA 91502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-654	Status: Historical	App Date:	Rev Date:
Description: Modification of nacelle aft of firewall to fair-in structure in exhaust trough area on aircraft with Pratt & Whitney R-1830-94 engines.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Potter Aircraft Svc Inc Lockheed Air Terminal, Burbank, CA 91502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-654	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Modification of nacelle aft of firewall to fair-in structure in exhaust trough area on aircraft with Pratt & Whitney R-1830-94 engines.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-770: West Certification Branch LA