# STC SA9NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Sorm Industries, United States
- Description: Installation of Sorm Industries Cargo Tank
- Applied: March 21, 1972
- Status date: October 23, 1979
- 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/sha256/7a/3f/7a3fdea4ec70d473530ad3d0e1d17a3f8459227babe2903169bbc9e065fb3ba3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2A9E805A4D41AC8D86257AD4006334CC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA9NW

## ADs that name it (0)

None.

## Approved models (1)

- 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)

- October 23, 1979: Amended, Current. [certificate](https://openairdocs.org/files/sha256/7a/3f/7a3fdea4ec70d473530ad3d0e1d17a3f8459227babe2903169bbc9e065fb3ba3)

---
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.