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: Keefer Aircraft Engineer 11457 Glendale Way South, Seattle, WA 98168, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH242NW	Status: Current	App Date:	Rev Date: 12/11/1975
Description: Installation of battery in Hughes369HS helicopter to replace original.
TC Nos.: H3WE
Models: MD Helicopter Inc.369HS
ACO: AIR-770: West Certification Branch SEA