# STC SA514NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Seaplane Flying Inc, United States
- Description: Installation of Hartzell propeller on a Franklin engine and Edo floats
- Applied: September 7, 1977
- Status date: May 16, 1979
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799)
- Certificate PDF: https://openairdocs.org/files/sha256/50/f5/50f5b5196613a9e4a3df26ecc77da8c1a0b2afaa13f1bf1b37e45f3c93b4aaa2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C67783644DA2AA9586257AB6006ADC03.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA514NW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))

## What the certificate says

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

## Every issue (1)

- May 16, 1979: Amended, Current. [certificate](https://openairdocs.org/files/sha256/50/f5/50f5b5196613a9e4a3df26ecc77da8c1a0b2afaa13f1bf1b37e45f3c93b4aaa2)

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