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: Petroleum Helicopters Inc. P.O. Box T, Lafayette, Louisiana, 70502		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2685SW	Status: Current	App Date: 07/06/1976	Rev Date: 01/04/1983
Description: Installation of Detroit Diesel Allison Model 250C-20B; or 250C-20J engine derated thermally and mechanically to the power envelope approved for Bell 206B
TC Nos.: H2SW
Models: Bell Textron Canada Limited206B
ACO: AIR-760: Central Certification Branch FTW