# STC SA479NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: P & R Aviation, United States
- Description: Installation of Continental engine, McCauley propeller, Cessna 175C engine nacelle, alternator
- Applied: January 11, 1977
- Status date: July 8, 1977
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/9d/0b9dc91e680938ae7af8d4efed844c4f802fb77c7789600dde13a16d1ce90398
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B2912C0D9765645986257ABC004C043C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA479NW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## What the certificate says

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

## Every issue (1)

- July 8, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0b/9d/0b9dc91e680938ae7af8d4efed844c4f802fb77c7789600dde13a16d1ce90398)

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