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: 3

STC Holder: El Paso Natural Gas Co P.O. Box 1492, El Paso, TX 79910, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA492SW	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Emergency alternate air door actuation.
TC Nos.: 3A25
Models: The Cessna Aircraft Company320 Series
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: El Paso Natural Gas Co P.O. Box 1492, El Paso, TX 79910, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA492SW	Status: Historical	App Date:	Rev Date:
Description: Emergency alternate air door actuation.
TC Nos.: 3A25
Models: The Cessna Aircraft Company320 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: El Paso Natural Gas Co P.O. Box 1492, El Paso, TX 79910, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA492SW	Status: Current	App Date: 02/26/1965	Rev Date: 03/31/1965
Description: Installation of emergency alternate air door actuator
TC Nos.: 3A25
Models: Cessna Aircraft Company320, 320A, 320B, 320C
ACO: AIR-760: Central Certification Branch FTW