# STC SA3178SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK469 consisting of a
Century I Autopilot with Optional Omni Tracker
- Applied: January 17, 1977
- Status date: June 18, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/b5/8f/b58f329a78b563e5c69c667d98294f67d2d2c1a47e46e7d5083822eddfc4295f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/29770729A863283085256CC2000A94DB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3178SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Textron Aviation Inc. TU206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Textron Aviation Inc. TU206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Textron Aviation Inc. U206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Textron Aviation Inc. U206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))

## 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: SA31785W-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, IX 76067 Purt 3 of the CiVII Aix Regulations.

Original Product - Type bertificate Nurber: A4CE Маке: Cessna Model: U206F, U206G, TU206F, TU206G Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK469 consisting of a Century I Autopilot with Optional Omni Tracker according to Bulletin No. 590, Revision 2, dated 3-27-78 and Master Drawing List No. 87A705, Revision C, dated 3-27-78 (14 Volt System) and/or later FAA Approved Revisions of the above data.

Limilalins andbindilions: Eligible on Landplane, Floatplane and Amphibian Configurations.

The following FAA/DAS Approved Supplemental Flight Manuals are required:

P/N 68S506-1, dated 4-12-78 16 required for Cessna Models 0206F and TULOoF, S/N U20603021 and Up and Cessna Models U206G and TU206G. P/N 68S687-S, dated 4-12-78 is required for Cessna Models U206F & TU206F, S/N U20601701 thru S/N U20603020 and/or later FAA Approved Revisions of the above Supplements.

Seeped enter ning tale sit in he has for apparent rendered, suspended, nevoked, or a termination date is stherwise es lablished by the Adminis brat r of the Federal Aviation Administration .

Date of Application: 1-17-77 Jule missued: 4-12-78; 6-18-84, Revision 2 Date of Issuance: 2-4-77 Date Amended:

FEDERAL AVIATIO By Direction of the Administrator Don P. Watson (Signature ) OMINISTR ATIO Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) - (Address of transferee) (Number and streel) (City, Stake, and TIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and streel ;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):.

Signature of grantor (In ink): _ A 11 + r. 0 ~. 1098-549-880

## Every issue (1)

- June 18, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b5/8f/b58f329a78b563e5c69c667d98294f67d2d2c1a47e46e7d5083822eddfc4295f)

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