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: Grogan Don 2009 Highway 28, Quincy, WA 98848, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5729NM	Status: Current	App Date: 01/17/1991	Rev Date: 07/15/1992
Description: Full flow oil filter system
TC Nos.: 4H11
Models: Siam Hiller Holdings Inc.UH-12E, UH-12E-L
ACO: AIR-770: West Certification Branch SEA