# STC SA226NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cook. William H.  Jr.
- Description: Installation of a McCauley 1A175/GM8244 propeller on a Lycoming O-290-D engine
- Status date: October 29, 1975
- Data sheets: 1A2
- Certificate PDF: https://openairdocs.org/files/sha256/6e/cb/6ecb808aece22515b98374a1ff9353646618940ef1a588fd852ac86bce4a45b7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A71E39482EC6FC886257ADA006CC9A9.0001
- Page: https://openairdocs.org/stc/SA226NW

## ADs that name it

None.

## Approved models (1)

- Piper Aircraft Inc. PA-18-125 (Army L-21A) (TCDS 1A2)

## What the certificate says

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

## Every issue (1)

- October 29, 1975: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6e/cb/6ecb808aece22515b98374a1ff9353646618940ef1a588fd852ac86bce4a45b7)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.