# STC SA646NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: General Aircraft Supply, United States
- Description: Modification of main landing gear axles.
- Applied: August 22, 1978
- Status date: November 1, 1978
- 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/f9/3a/f93aeca9de130eb53eb7c9c3058bc1554a1f8c16e626e1e4c81d669fb476f4eb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FDB077E2AF176C2385256CC200569F68.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA646NW

## ADs that name it (0)

None.

## Approved models (3)

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

- November 1, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f9/3a/f93aeca9de130eb53eb7c9c3058bc1554a1f8c16e626e1e4c81d669fb476f4eb)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.