# STC SA1326SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK334, consisting of Century II autopilot with optional radio coupler, and automatic aileron stabilizer back-up system
- Applied: March 25, 1971
- Status date: July 10, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/aa/34/aa341d71cecc9693cdc913ec195a07bdcad48527868b067a9064607168850e9f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1E1853BA7EEC53D585256CC100820EEB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1326SW

## ADs that name it (0)

None.

## Approved models (4)

- Cessna Aircraft Company 210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SAI32654 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Purt 3 of the Civil Air Regulations:

Original Product - Type bertificate Number: 3A21 Make: Cessna Model: 210J, T210J, 210K, T210K Description of Type Design Change:

See Continuation Sheet, Page 2, a part of this STC.

timitatuns and banditions:

This tripede and the suppeting tale a ich is the basis for appre val shall remain in effect until sur- Compatibility of this modification with other previously approved modifications rendered, suspended, revoked, or a lermination dale is therwise established by the Administrater of the Federal Aviation Administration .

Date of Application: March 25, 1971 Jule wissued: 9-11-72; 4-16-74; 6-5-75;

7-10-84, Revision 4 Date of Issuance: June 10, 1971 Date Amended:

FEDERAL AVIATION thy to gh the him in enten undresen Don P. Watson (Signature ) OHINISTRATO Manager, Aircraft Certification Division Southwest Region (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA13265W, Rev. 4, dated 1-10-84 Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK334 consisting of Century II Autopilot with optional Radio Coupler and Automatic Aileron Stabilizer Back-Up System according to Bulletin No. 447, Revision (2), dated 8-30-72 and Master Drawing List No. 87A549, Revision B, dated 8-30-72; installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611, Revision (1), dated 4-16-74 and Master Drawing List No. 87A708. Revision A, dated 4-16-74.

2. Installation of Mitchell Automatic Flight System Model 334 consisting of Century IIB Autopilot with optional Radio Coupler according to Bulletin No. 447, Revision (3) dated 3-13-75 and Master Drawing List No. 87A549, Revision C, dated 3-13-75.

1. FAA Approved Mitchell Industries Placard, P/N 13A344-334 is required for Century II Autopilot installation.

2. FAA Approved Autopilot Flight Manual Supplement, P/N 68S168 is required for Mitchell Radio Coupler Model 1C388-3,

3. FAA Approved Autopilot Flight Manual dated 3-13-75 is required for Century IIB Autopilot installation.

**FAA FORM 8110-2-1 (10-69) PAGE 2 OF 2 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) ( City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

c FAA AC 69-5536

## Every issue (1)

- July 10, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/aa/34/aa341d71cecc9693cdc913ec195a07bdcad48527868b067a9064607168850e9f)

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