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: 1

STC Holder: S Duke Teitzel Box 366, Squim, WA 98382, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA955NW	Status: Current	App Date: 03/31/1980	Rev Date: 06/27/1980
Description: Installation of a Continental E-225-4 engine using updraft cooling with a Hartzell HC-12X20-5/8433-O propeller
TC Nos.: A-782
Models: Sierra Hotel Aero Inc.Navion (Army L-17A)
ACO: AIR-770: West Certification Branch SEA