# STC SA3451WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aircraft Technical Service Inc, United States
- Description: Installation of Hartzell HC-A3VK4/V7636D-0 or V7636N-0 constant speed propeller.
- Status date: May 27, 1980
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7AE23DF811DFFB0185256CC2000A9836.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3451WE

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.