# STC SA3317SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK761 consisting of Century I autopilot with omni tracker.
- Status date: September 21, 1983
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A29CE](https://openairdocs.org/tcds/A29CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/96C887DEDEB3A94085256CC2000A96C5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3317SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 76 ([TCDS A29CE](https://openairdocs.org/tcds/A29CE))

---
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.