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: Stewart E Westcott 120 SW 164th Street, Seattle, WA 98166, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA423NW	Status: Current	App Date: 04/16/1976	Rev Date: 04/14/1977
Description: Conversion of a Lycoming O-320-E2C (150 HP @ 2700 rpm) to a O-320-D2A (160 HP @ 2700 rpm) with a Sensenich M74DM-0-58 propeller
TC Nos.: A1CE
Models: Hawker Beechcraft CorporationA23-19
ACO: AIR-770: West Certification Branch SEA