# STC SA309NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Jobmaster Company Inc, United States
- Description: Installation of auxiliary vertical stabilizer fins.
- Applied: May 18, 1976
- Status date: June 15, 1976
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-806](https://openairdocs.org/tcds/A-806)
- Certificate PDF: https://openairdocs.org/files/sha256/c8/f2/c8f22f8c7a069720da0144005364884021f1c2c51cc539017bd447f4aef421ac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E42DF1B6BE7A8B985256CC2000A93CF.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA309NW

## ADs that name it (0)

None.

## Approved models (1)

- Viking Air Limited DHC-2 Mk.I ([TCDS A-806](https://openairdocs.org/tcds/A-806))

## What the certificate says

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

## Every issue (1)

- June 15, 1976: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c8/f2/c8f22f8c7a069720da0144005364884021f1c2c51cc539017bd447f4aef421ac)

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