# STC SA3452WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Johnston Aircraft Svc Inc, United States
- Description: Installation of Lycoming IO-720-A1B engine and Hartzell HC-C3YR-1RF/ F8475R constant speed propeller.
- Applied: November 30, 1976
- Status date: February 5, 1979
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10SO](https://openairdocs.org/tcds/A10SO)
- Certificate PDF: https://openairdocs.org/files/sha256/8b/7d/8b7dea354601f5ff98fee4d63602ffcf12d00a2b35e61ccc3970905904aefe6b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C99584E04264636185256CC2000A9839.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3452WE

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-36-285 (Restricted Cat.) ([TCDS A10SO](https://openairdocs.org/tcds/A10SO))
- The New Piper Aircraft Inc. PA-36-300 (Restricted Cat.) ([TCDS A10SO](https://openairdocs.org/tcds/A10SO))

## What the certificate says

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

## Every issue (1)

- February 5, 1979: Amended, Current. [certificate](https://openairdocs.org/files/sha256/8b/7d/8b7dea354601f5ff98fee4d63602ffcf12d00a2b35e61ccc3970905904aefe6b)

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