# STC SH515NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Weyerhaeuser Company, United States
- Description: Installation of Pacific Forest Research Center Mark II aerial ignition system.
- Applied: August 18, 1977
- Status date: September 13, 1977
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/1a/5d/1a5d2e6a9d8c05c0c854c9e3b1afe610e06ab014265e7d9de72d66fb95a57a49
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1FD3930BEF8A18CB85256CC2005C32D2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH515NW

## 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)

- September 13, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1a/5d/1a5d2e6a9d8c05c0c854c9e3b1afe610e06ab014265e7d9de72d66fb95a57a49)

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