# STC SA789SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic aileron stabilizer Model AK204.
- Applied: March 15, 1967
- Status date: June 29, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/6c/b7/6cb744b0c00a6500f1b52fba55f3b2d6791f823d16f70a2a829b1cfed88f24a0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/06AF0586AC40D6C885256CC20056A52A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA789SW

## ADs that name it (1)

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970. Cited in the text

## Approved models (8)

- The Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Btpartmcnt of transportation—federal atnation administration Supplemental t^pe Certificate i/u#m>ve>)t'SA789SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 JwJ^i0deA^awf^J!wfc>t&>w4^ Jfa^aj/p**^^ 3 Civil Air 3A13 Cessna 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M Installation of Mitchell Automatic Aileron Stabilizer Model AK204 according to Mitchell Industries, Inc. Bulletin No. 351 revised November 5, 1969.

FAA Approved Placard 13A343~197 required with Stabilizer installation, March 15, 1967 April 18., 1967 °ther ously approved modifications !/-* "**««/••. 12-2-68; 12-23-69; 6-29-84, Revision 3 Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

FAA rcMMBI 10-2 (10-AI)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and £IP code) from (Name of grantor) (Print or type) (Address of grantor) (.Wiimkfr and street) ( ('.lit. Slale. and ^IP code} Extent of Authority (if licensing agreement): __ Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- June 29, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6c/b7/6cb744b0c00a6500f1b52fba55f3b2d6791f823d16f70a2a829b1cfed88f24a0)

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