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: 4

STC Holder: Mark XII, Inc 1115 Border Avenue, Torrance, CA 90510, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA318WE	Status: Current	App Date:	Rev Date: 10/18/1965
Description: Torso tank 61900 or 64200.
TC Nos.: 3A12, A-799
Models: The Cessna Aircraft Company170, 172 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Mark XII, Inc 1115 Border Avenue, Torrance, CA 90510, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA417WE	Status: Current	App Date:	Rev Date: 10/18/1965
Description: Torso tank 61900 or 64200.
TC Nos.: 3A24
Models: The Cessna Aircraft Company185 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Mark XII, Inc 1115 Border Avenue, Torrance, CA 90510, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA447WE	Status: Current	App Date:	Rev Date: 10/18/1965
Description: Torso tank 61900 or 64200.
TC Nos.: 1A6
Models: The New Piper Aircraft Inc.PA-22 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Mark XII, Inc 1115 Border Avenue, Torrance, CA 90510, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA527WE	Status: Current	App Date:	Rev Date: 10/18/1965
Description: Torso tank 61900 or 64200.
TC Nos.: 5A6
Models: The Cessna Aircraft Company180 Series
ACO: AIR-770: West Certification Branch LA