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: 6

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1889WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of Sperry SP-50G automatic flight control system, Sperry SPI-73E integrated instrument system and Sperry ATS-500 automatic throttle system.
TC Nos.: A12EA
Models: Gulfstream Aerospace CorporationG-1159
ACO: AIR-770: West Certification Branch LA

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1889WE	Status: Historical	App Date:	Rev Date:
Description: Installation of Sperry SP-50G automatic flight control system, Sperry SPI-73E integrated instrument system and Sperry ATS-500 automatic throttle system.
TC Nos.: A12EA
Models: Gulfstream Aerospace CorporationG-1159
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1400	Status: Current	App Date:	Rev Date: 01/01/1960
Description: SP-3 autopilot.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1400	Status: Historical	App Date:	Rev Date:
Description: SP-3 autopilot.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA956WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: SP-40B automatic flight control system.
TC Nos.: A3EU
Models: Raytheon Aircraft CompanyDH.125 Series 1A
ACO: AIR-770: West Certification Branch LA

STC Holder: Sperry Phoenix Company P.O. Box 2529, Phoenix, AZ 85000, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA956WE	Status: Historical	App Date:	Rev Date:
Description: SP-40B automatic flight control system.
TC Nos.: A3EU
Models: Raytheon Aircraft CompanyDH.125 Series 1A
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200