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: 4

STC Holder: Texas Helicopter Co. Inc. P O Box 177686, Irving, TX 75017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2397SW	Status: Historical	App Date: 10/26/1976	Rev Date: 12/06/2004
Description: Install Ag-King 500B spray system with two tanks (800 lbs. Total allowable) 32 feet boom on end of skid tubes and engine driven pump.
TC Nos.: 2H3, H-1, H7SW
Models: Bell Helicopter Textron47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A McCreary GiftonOH-13E, OH-13H
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Texas Helicopter Co. Inc. P O Box 177686, Irving, TX 75017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09341RC	Status: Historical	App Date:	Rev Date: 07/15/2002
Description: Installation of main rotor grips with integral drag brace clevis, new drag brace, and matching adapter nut for wood blade configurations.
TC Nos.: H-1
Models: Bell Helicopter Textron47 Series, 47B, 47B3, 47D (USAF H-13B), 47D1 (Navy HTL-4), 47D1 (Navy HTL-5), 47D1 (USAF H-13D), 47D1 (USAF H-13E), 47D1 Series, 47G (Navy HTL-6), 47G (USAF H-13G), 47G Series, 47G-2 (USAF H-13H), 47H-1
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Texas Helicopter Co. Inc. P O Box 177686, Irving, TX 75017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09348RC	Status: Historical	App Date:	Rev Date: 10/29/2002
Description: Installation of improved metal blade main rotor grips with integral drag brace clevis, new drag brace, and matching adapter nut for wood blade configurations.
TC Nos.: H5SW, H7SW
Models: Bell Helicopter TextronU.S. Army OH-13E, US Army OH-13H
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Texas Helicopter Co. Inc. P O Box 177686, Irving, TX 75017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09454RC	Status: Historical	App Date: 05/05/2003	Rev Date: 02/10/2006
Description: Installation approval of a new engine mount assembly and lateral cyclic control support assembly.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1, 47G
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140