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: Symons Engineering P.O. Box 45002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-559	Status: Current	App Date: 04/24/1957	Rev Date: 08/01/1958
Description: Installation of 20 gallon auxiliary fuel tank.
TC Nos.: A-777
Models: Beechcraft Corporation35, A35, B35, C35, D35, E35, F35
ACO: AIR-770: West Certification Branch LA

STC Holder: Symons Engineering P.O. Box 45002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-559	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: 20-gallon auxiliary fuel tank.
TC Nos.: 3A15, A-777
Models: Raytheon Aircraft Company35 Series, 35 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Symons Engineering P.O. Box 45002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-559	Status: Historical	App Date:	Rev Date:
Description: 20-gallon auxiliary fuel tank.
TC Nos.: 3A15, A-777
Models: Raytheon Aircraft Company35 Series, 35 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Symons Engineering P.O. Box 90002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-971	Status: Historical	App Date:	Rev Date:
Description: 20-gallon auxiliary fuel tank in baggage compartment.
TC Nos.: 1A15
Models: The New Piper Aircraft Inc.PA-24 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Symons Engineering P.O. Box 90002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-971	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: 20-gallon auxiliary fuel tank in baggage compartment.
TC Nos.: 1A15
Models: The New Piper Aircraft Inc.PA-24 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Symons Engineering P.O. Box 90002 Airport Station, Los Angeles, CA 90009, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-971	Status: Current	App Date: 11/09/1959	Rev Date: 03/25/1960
Description: Installation of 20 gallon auxiliary fuel tank in baggage compartment.
TC Nos.: 1A15
Models: Piper Aircraft Inc.PA-24
ACO: AIR-770: West Certification Branch LA