# STC SA175NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installation of a Continental IO-470-N engine with a McCauley 2A36C23P/84B-0 propeller w/A210680 governor, a P-35 air intake assembly, a P-35 baffle assembly, a K-35 exhaust system, and a K-35 cowl flap system.
- Applied: April 19, 1975
- Status date: April 30, 1975
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/f1/b2/f1b2bed3801dcff0a3f67da6464773e19c3e430c5a1cbb1727b8dea584376c64
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/77FC07A38D939F4586257AE10057C760.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA175NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

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

## Every issue (1)

- April 30, 1975: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f1/b2/f1b2bed3801dcff0a3f67da6464773e19c3e430c5a1cbb1727b8dea584376c64)

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