# STC SA755SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic aileron stabilizer Model AK226.
- Applied: February 7, 1967
- Status date: June 25, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/5d/8d5d7e77a6c39d1e7a03b610a71b2a8ffee2b0582705dc53289a3d8da04ff9bd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/96CBC7B46795A96485256CC20056A3B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA755SW

## 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 (1)

- Raytheon Aircraft Company 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## 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.

•Department of'CranBportatioii—federal Sttriation administration Supplemental Itgpe Certificate SA755SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 vfwJS^ft>6te>tvt9wfw*>cf^JM>i&J^J6i)rnA£aA*>n&^ 3 *^2&c, Civil. Air tsle&ti/a&onA,.

Ctf4aj>na/ iJiwcu&c£ —— iS/ufi& 'faevltJuxt/e'tyuvrrde'r- •' 777 Beech 35 ^^^l&i^fi/i&n; jS^ly/if —/ ^c&tj&n ~(Tl/Lana4 :

Installation of Mitchell Automatic Aileron Stabilizer Model AK226 according to Mitchell Industries, Inc. Bulletin No, 347 dated 2^7^67, FAA Approved Mitchell Industries, Inc. Placard 13A343-226 required.

approved modifications tsn' «i«'^^wX^^^^ .

A*™: February 7, 1967 C/,,6 „**«„/ 6-25^4, Revision 1 February 9, 1967 Don P. Watson <Sig**tw*) Manager, Aircraft Certification Division Southwest Region (Title)

FAAFou>ai10-2(IO-«l|

itv. Slate, and ^IT code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink): __

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8d/5d/8d5d7e77a6c39d1e7a03b610a71b2a8ffee2b0582705dc53289a3d8da04ff9bd)

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