STC Holder Details: Western Helicopters, Inc

Subscriber Access

Daily DOT & FAA Regulatory Activity Regulatory Library Repair Station Access Repair Station Search Technical Support

Other Services

Non-Subscriber AD Search

Free Features

N-Number / Serial Search STC Search System

Learn More

Contact Sales History System Description Repair Station Toolbox Aviation Maintenance & Eng. Directory Tutorial Videos / Demo Data The AD ReSource System
(Info & Demo Data)

Legalese

Terms of Service Privacy Policy

For Pilots

Info For Pilots IA Renewal FAA FSDO Directory Aviation Weather
The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Apr 4th, 2025
Home Products Library Support Account Login Contact

STC Holder: Western Helicopters, Inc

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 1

STC Holder: Western Helicopters, Inc
Address: P.O. Box 579 1670 Airport Way, Rialto, CA 92376, United States		 Contact us to have your company added here!
STC No.: SH173WEStatus: CurrentApp Date: Rev Date: 11/11/1974
TC Nos.: 2H3,
Models:
Bell Helicopter Textron:
47G-3B
ACO: AIR-770: West Certification Branch LA
Installation of derated Lycoming TVO-435-B1A or TVO-435-B1B engine in lieu of TVO-435-A1A engine using existing TVO-435-A1A installation components.