# STC SH625NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Weyerhaeuser Company, United States
- Description: Installation of collective torque tube actuated hour meter switch and an engine-out audible warning system.
- Applied: March 2, 1978
- Status date: June 28, 1978
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/b6/4cb6a2b17c78188980b2ff617dd049912cd32431da6b2a96e6af406d8c2aca0f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/64ADAB5AF1F4DA1985256CC200622188.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH625NW

## 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

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 28, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4c/b6/4cb6a2b17c78188980b2ff617dd049912cd32431da6b2a96e6af406d8c2aca0f)

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