# STC SA620NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Sheridan Flying Service
- Description: Installation of a Lycoming O-360-A3A engine (180 HP @ 2700 rpm), Sensenich M76ENM-O-60 propeller and associated systems
- Status date: June 15, 1978
- Data sheets: 3A12
- Certificate PDF: https://openairdocs.org/files/sha256/61/96/61963b3790ee75dccc09673888ec824d146846cd9eae1a2272878b5bd9ae87ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CD2B03C27C519FE486257A40005E9C7B.0001
- Page: https://openairdocs.org/stc/SA620NW

## ADs that name it

None.

## Approved models (1)

- Cessna Aircraft Company 172K (TCDS 3A12)

## What the certificate says

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

## Every issue (1)

- June 15, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/61/96/61963b3790ee75dccc09673888ec824d146846cd9eae1a2272878b5bd9ae87ae)

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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.