# STC SA275NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Merlyn Products Inc., United States
- Description: Installation of a Lycoming IO-360-A, C, or D engine and a Hartzell HC-C2YK-1BF/F7666A-2 propeller
- Applied: December 30, 1974
- Status date: July 15, 1986
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-766](https://openairdocs.org/tcds/A-766)
- Certificate PDF: https://openairdocs.org/files/sha256/a2/2f/a22fe08952d2ce1c3ba4a56811def85b8d5b67a9ed891afbdeb3181de73d8ce8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/807CA31885BE43EC86257ADA006C3BC2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA275NW

## ADs that name it (0)

None.

## Approved models (1)

- Swift Museum Foundation Inc. GC-1B ([TCDS A-766](https://openairdocs.org/tcds/A-766))

## What the certificate says

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

## Every issue (1)

- July 15, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a2/2f/a22fe08952d2ce1c3ba4a56811def85b8d5b67a9ed891afbdeb3181de73d8ce8)

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