# STC SA3447SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century automatic flight system, Model AK952 consisting of a Century 2010/2030/2031/2050/2051 autopilot.
- Applied: October 10, 1986
- Status date: July 23, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BAB6B57819EF69FB86256D95004FEFCF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3447SW-D

## ADs that name it (0)

None.

## Approved models (7)

- The New Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

---
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.