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: Joppa, Robert G. 2818 Boyer Ave. East, Seattle, WA 98102, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA173NW	Status: Current	App Date: 04/04/1975	Rev Date: 04/21/1975
Description: Installation of a trailing (cone) airspeed static pressure source
TC Nos.: 3A13
Models: Cessna Aircraft Company182J
ACO: AIR-770: West Certification Branch SEA

STC Holder: Joppa, Robert G. 2818 Boyer Ave. East, Seattle, WA 98102, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA280NW	Status: Current	App Date: 03/29/1976	Rev Date: 04/02/1976
Description: Installation of an instrumentation boom
TC Nos.: A-799
Models: Cessna Aircraft Company170B
ACO: AIR-770: West Certification Branch SEA