# STC SH1170SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Texas Helicopter Co. Inc
- Description: 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.
- Status date: December 15, 2010
- Data sheets: H-1
- Certificate PDF: https://openairdocs.org/files/sha256/20/12/2012f54ee6fde4f66c25056b02d634f5df831f9c212f25c5d269452e0759c6f0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/77DF7F99BBCF9034862579CE00533179.0001
- Page: https://openairdocs.org/stc/SH1170SW

## ADs that name it

None.

## Approved models (1)

- Scotts-Bell 47 Inc 47G (TCDS H-1)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SH1170SW This certificate issued to

Part 6 of the Civil Air Regulations.

Installation of tail rotor gear box No. 47-640-065-31 and tail rotor hub and blade assembly No. 47-640-071-3, according to UTL Aeronautics Service Instruction No. 18 dated June 22, 1970, or later FAA approved revision.

Eligible on Bell Model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed.

When Franklin 6V350-A engine is installed, STC SH479SW is required.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Texas Helicopter Co., Inc.

780 S. Elmwood Ave.

Le Sueur, MN 56058 H-1 Make : Bell Helicopter Textron Model : 47G Date of application : May 14, 1970

Date of issuance : July 07, 1970

Date reissued : 7/15/94; 4/30/04;

12/15/10

( Signature) Scott A. Horn, Acting Manager Rotorcraft Certification Office Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- December 15, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/20/12/2012f54ee6fde4f66c25056b02d634f5df831f9c212f25c5d269452e0759c6f0)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.