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: William G Joplin dba PO Box 144, Monroe, WA 98272, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA622NW	Status: Current	App Date: 02/24/1978	Rev Date: 09/15/1978
Description: Installation of two Lycoming GO-485-C2B engines, Hartzell HC-82X2O-2A/V9333N propellers and associated systems
TC Nos.: A-734
Models: Gulfstream American CorporationG-44
ACO: AIR-770: West Certification Branch SEA