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: Tom-Cat Helicopters, Inc Route 1, Box 7G, Owatonna, MN 55060, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH504GL	Status: Historical	App Date:	Rev Date: 02/18/1981
Description: Installation of Lycoming VO-435-A1F engine modified in accordance with STC SE144GL and associated changes.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-3B, 47G-3B-1 (TH-13T)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358