# STC SA3338SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Mitchell automatic flight system system AK813 consisting of Century 41 autopilot or AK813FD consisting 41 flight director autopilot with optional remote annunciator.
- Status date: September 21, 1983
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7E1437963CF6FF1085256CC2000A9708.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3338SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Raytheon Aircraft Company 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58PA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58TCA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))

---
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.