FAA-listed STC holder

Texas Helicopter Co. Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Texas Helicopter Co. Inc. The records span 5 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Dec 15, 2010

latest recorded revision

Modification mix

Other aircraft modifications2 Engine and powerplant1 Cabin and interiors1

Aircraft represented

Scotts-Bell 47 47G23 STCs Scotts-Bell 47 47D120 STCs Scotts-Bell 47 47G-219 STCs Scotts-Bell 47 47G-515 STCs Scotts-Bell 47 47H-16 STCs

Recently revised records

Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.

4 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Texas Helicopter Co. Inc supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SH1007SW Modify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing. Approved for Bell models 47D1, 47G, and 47G-2 with 47-640-044 tail rotor gear box assembly. Other aircraft modifications View record	Scotts-Bell 47 47D1TC H-1 Scotts-Bell 47 47GTC H-1 Scotts-Bell 47 47G-2TC H-1	Current at cited snapshot Revised Dec 15, 2010 Application: Mar 5, 1969	FAA holder: Texas Helicopter Co. Inc FAA authority record
SH1170SW Installation of tail rotor gear box no. 47-640-065-31 and tail rotor hub and blade assembly no. 47-640-071-3. Eligible on Bell model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed. STC SH479SW required. Other aircraft modifications View record	Scotts-Bell 47 47GTC H-1	Current at cited snapshot Revised Dec 15, 2010 Application: May 14, 1970	FAA holder: Texas Helicopter Co. Inc FAA authority record
SH909SW Installation of Franklin 6V-350-A engine, derated to 200 HP. Limited to installation on serial number 1355 ONLY. Engine and powerplant View record	Scotts-Bell 47 47H-1TC H-1	Current at cited snapshot Revised Dec 15, 2010 Application: Jan 17, 1968	FAA holder: Texas Helicopter Co. Inc FAA authority record
SH963SW Installation of Bell Model 47G-2A-13-place wide cabin on the Bell Model 47G-5, retaining the 47G-5 instruments and pedestal. Limited to installation on serial number 7808 ONLY. Cabin and interiors View record	Scotts-Bell 47 47G-5TC 2H3	Current at cited snapshot Revised Dec 15, 2010 Application: Aug 16, 1968	FAA holder: Texas Helicopter Co. Inc FAA authority record

Modification mix

Aircraft represented

Recently revised records

Modify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing. Approved for Bell models 47D1, 47G, and 47G-2 with 47-640-044 tail rotor gear box assembly.

Installation of tail rotor gear box no. 47-640-065-31 and tail rotor hub and blade assembly no. 47-640-071-3. Eligible on Bell model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed. STC SH479SW required.

Installation of Franklin 6V-350-A engine, derated to 200 HP. Limited to installation on serial number 1355 ONLY.

Installation of Bell Model 47G-2A-13-place wide cabin on the Bell Model 47G-5, retaining the 47G-5 instruments and pedestal. Limited to installation on serial number 7808 ONLY.