# STC SH543NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Weyerhaeuser Company, United States
- Description: Installation of Bell 205 type cyclic grip
- Applied: October 27, 1977
- Status date: March 16, 1979
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/01/ac/01ac788a0cba100fb55e42dff452a7fb4f2f9bf4ca2536cc04fb6f1164037570
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B9B4E42F2A5370D586257A46006E6216.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH543NW

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SH543NW This certificate issued to: Weyerhaeuser Part 6 of the CiviI Air Regulations.

Original Product - Type Certificate Number: H2SW Make: Bell Model: 206A and 206B Description of Type Design Change: Installation of a Bell 205 type cyclic grip in accordance with Weyerhaeuser Sketch No. 206-002-77, Sheets 1 and 2.

Limitations and Conditions: Approval of this change in type design applies basically to the above model helicopter only. This approval should not be extended to other helicopters of this model on which other previously approved modifications are incorporated, including changes in type design, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that helicopter.

A copy of this Certificate, Sketch 206-002-77 and Helicopter Flight Manual Supplement shall be maintained as part of the permanent records for the modified helicopter.

This certificate and the supporting data which is the basis for approval shall remain in effect until sur rendered, suspended, revcked, or a termination date is sherwise established by the Sidministrator of the Federal Aviation Administration Date of Application: October 27, 1977 Date Reissued:

Date of Issuance: December 9, 1977 Date Amended: March 16, 1979 FEDERAL AVIATION Charle fisader (Signature) OMINISTRATOR Chief, Engineering and Manufacturing Branch (Title)

## Every issue (1)

- March 16, 1979: Amended, Current. [certificate](https://openairdocs.org/files/sha256/01/ac/01ac788a0cba100fb55e42dff452a7fb4f2f9bf4ca2536cc04fb6f1164037570)

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