# STC SA406NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Smith David C, United States
- Description: Installation of wing tip extension kit.
- Applied: October 21, 1976
- Status date: November 15, 1990
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/dc/11/dc1132cfd92f041ac136fdcdb2cfae7f0dcb52a258dba6a61e5379d34418acfd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/35A8CB32F1F5C38E85256CC2000C6091.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA406NW

## ADs that name it (0)

None.

## Approved models (2)

- Allied Ag Cat Productions Inc. G-164 ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164A ([TCDS 1A16](https://openairdocs.org/tcds/1A16))

## What the certificate says

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

## Every issue (1)

- November 15, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dc/11/dc1132cfd92f041ac136fdcdb2cfae7f0dcb52a258dba6a61e5379d34418acfd)

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