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: 20

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE2500SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Modification to higher compression ratio.
TC Nos.: E-279
Models: Textron Lycoming AVCO CorporationVO-435-A1E, VO-435-A1F
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1007SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Modify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series, 47G Series, 47G-2 (USAF H-13H)
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1170SW	Status: Historical	App Date:	Rev Date: 07/15/1994
Description: Installation of tail rotor gear box no. 47-640-065-31 and tail rotor hub and blade assembly no. 47-640-071-3.
TC Nos.: H-1
Models: Bell Helicopter Textron47G Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH13WE	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Conversion of Bell Model 47D-1 to(1) Model 47G-2.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH161WE	Status: Historical	App Date:	Rev Date: 12/12/1995
Description: Installation of exhaust muffler assembly.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-2A, 47G-2A-1, 47G-5, 47G-5A
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH162WE	Status: Historical	App Date:	Rev Date: 12/12/1995
Description: Installation of exhaust muffler assembly.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-4, 47G-4A
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH213WE	Status: Historical	App Date:	Rev Date: 12/12/1995
Description: Installation of exhaust muffler assembly.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series, 47G Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2348SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of redesigned sprag system. (US ARMY OH-13E Mark5A) (US ARMY OH-13H Mark5A)
TC Nos.: 2H3, H5SW, H7SW
Models: Bell Helicopter Textron47G-2A, 47G-2A-1, 47G-3B, 47G-3B-1 (TH-13T), 47G-3B-2, 47G-4, 47G-4A, U.S. Army OH-13E, US Army OH-13H
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2772SW	Status: Historical	App Date:	Rev Date: 10/14/1994
Description: Revise mast controls and remove stabilizer bar and install control system.
TC Nos.: 2H3, H-1, H2SW
Models: Bell Helicopter Textron47 Series, 47D1 Series, 47G-2A, 47G-2A-1, 47G-3 (OH-13H), 47G-3B, 47G-3B-1 (TH-13T), 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A Bell Helicopter Textron (Canada)206B
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH283SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Change battery location from dual positions in aft and forward to one fixed position under oil cooler on center frame bottom tubes and installation of ballast.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH307SW	Status: Historical	App Date:	Rev Date: 08/02/1994
Description: Installation of Lycoming VO-540- B1 B3 engine.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-2A
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH397SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of hydraulic boost kit.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH529SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of Franklin6V-350-A engine.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH588SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Conversion to single-place cabin, without doors, revised cyclic and collective and throttle controls, rerouted electrical wiring.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series, 47G-2 (USAF H-13H)
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH611SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Left and right door with tinted glass and sliding window.
TC Nos.: 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47D1 Series, 47G-2A, 47G-3 (OH-13H), 47G-4
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH752SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Centerframe modification or replacement installation of Lycoming VO-435 engine in lieu of Franklin installation and optional lateral control system.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series, 47G Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH888SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Use of spacer in lieu of snap ring on tail rotor drive quill.
TC Nos.: H-1
Models: Bell Helicopter Textron47D1 Series, 47G Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH909SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of Franklin 6V-350-A engine, derated to 200 HP.
TC Nos.: H-1
Models: Bell Helicopter Textron47H-1
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH963SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of Bell Model 47G-2A-13-place wide cabin on the Bell Model 47G-5, retaining the 47G-5 instruments and pedestal.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-5
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Gifton McCreary P.O. Box 157686, Irving, TX 75015, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH972SW	Status: Historical	App Date:	Rev Date: 07/27/1987
Description: Installation of copilot's rudder pedals.
TC Nos.: 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47D1 Series, 47G-2A, 47G-2A-1, 47G-3 (OH-13H), 47G-3B, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47H-1
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140