# STC SA1922SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK404 consisting of Century IIB autopilot with optional radio coupler.
- Status date: August 1, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C03897E74DFF22AC85256CC10083D2C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1922SW

## ADs that name it (0)

None.

## Approved models (6)

- The Cessna Aircraft Company 337A (USAF 02B) ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

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