# STC SA3331SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Mitchell automatic flight system AK779, consisting of Century I autopilot with optional omni tracker.
- Status date: September 21, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E13D84F1D6ABEF8A85256CC2000A96FA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3331SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

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