# STC SA850SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Mitchell automatic flight system AK258 consisting of Century II autopilot with automatic aileron stabilizer, and radio coupler.
- Status date: June 29, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5F40142BD8EC973585256CC20058E804.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA850SW

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

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