The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. 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: Aircraft Propulsion Systems Inc P.O. Box 629, Ravensdale, WA 98051, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP1408NW	Status: Historical	App Date: 09/05/1980	Rev Date: 07/05/2019
Description: Installation of Aircraft Propulsion Systems, Inc. rollers in place of the Hamilton Standard counterweight bearings
TC Nos.: 249, P-206, P-257
Models: Hamilton Standard Division12D40, 2D30 Hamilton Standard Division TC3D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500