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: 7

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3866SW	Status: Historical	App Date: 06/11/1987	Rev Date: 06/26/1996
Description: Modified door latch.
TC Nos.: A-799
Models: Cessna Aircraft Company170, 170A, 170B
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3866SW	Status: Historical	App Date: 06/11/1987	Rev Date: 02/18/2026
Description: Modified door latch.
TC Nos.: A-799
Models: Cessna Aircraft Company170, 170A, 170B
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7398SW	Status: Current	App Date: 06/11/1987	Rev Date: 06/26/1996
Description: Modified door latch.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7399SW	Status: Current	App Date: 06/11/1987	Rev Date: 06/26/1996
Description: Modified door latch.
TC Nos.: 3A17
Models: The Cessna Aircraft Company175
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7400SW	Status: Current	App Date: 06/11/1987	Rev Date: 06/26/1996
Description: Modified door latch.
TC Nos.: 5A6
Models: The Cessna Aircraft Company180
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7401SW	Status: Current	App Date: 06/11/1987	Rev Date: 06/26/1996
Description: Modified door latch.
TC Nos.: 3A13
Models: The Cessna Aircraft Company182
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Benham John 659 Madrona Road, Pipe Creek, TX 78063, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA8645SW	Status: Historical	App Date:	Rev Date: 06/02/1993
Description: Installation of extended exhaust pipes.
TC Nos.: A-799
Models: The Cessna Aircraft Company170, 170A, 170B
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140