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: 8

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA276WE	Status: Historical	App Date:	Rev Date:
Description: Carburetor air filter and scoop.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA276WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Carburetor air filter and scoop.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1102	Status: Historical	App Date:	Rev Date:
Description: Cabin window.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1102	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cabin window.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1110	Status: Historical	App Date:	Rev Date:
Description: Baggage compartment.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1110	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Baggage compartment.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-509	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Gross weight increased to 9,000 lbs. with powerpack STC SA4-125; Southwind heater STC SA4-126; and horizontal stabilizer STC SA2-120.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Richfield Oil Company S. Flower Street, Los Angeles, CA 90052, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-509	Status: Historical	App Date:	Rev Date:
Description: Gross weight increased to 9,000 lbs. with powerpack STC SA4-125; Southwind heater STC SA4-126; and horizontal stabilizer STC SA2-120.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200