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: 2

STC Holder: Leo F Smith & Co Inc 225 South Bent, San Marcos, CA 92069, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-7	Status: Current	App Date:	Rev Date: 07/01/1973
Description: Recovering of wings with metal skin.
TC Nos.: A-799
Models: The Cessna Aircraft Company170 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Leo F Smith & Co Inc 225 South Bent, San Marcos, CA 92069, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-919	Status: Current	App Date:	Rev Date: 09/25/1973
Description: Modified wing.
TC Nos.: A-743
Models: Boeing Airplane Company Wichita Division75 (Army PT-13), A75 Series, A75N1 Series, B75 (Navy N2S-5), B75N1 (Navy N2S-3)
ACO: AIR-770: West Certification Branch LA