# STC SA3001SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK468 consisting of a Century IV autopilot or model AK468FD consisting of a Century IV flight director autopilot with optional remote annunciator.
- Applied: April 18, 1974
- Status date: August 1, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/15/cc/15ccfd9cb82ec6bf5cd2411a3c78fc1941443a06f09e8ae2b91c084b78e5534a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C1AA068D43F786E485256CC2000A928E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3001SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210N ([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: SA3001 5W-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Certifies that the change in the type design for the following product with the limitations and conditions therefer as specified hereon meets the airworthiness reguirements of Part 3 of the CIVS] AIr Regulations Original Product - Type bertificate Number: 3A21 Make: Cessna Model: 210L, T210L, 210M, T210M, 210N, T21ON Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK468 consisting of a Century IV Autopilot or Model AK468FD consisting of a Century IV Flight Director Autopilot with Optional Remote Annunciator according to Bulletin No. 589, Revision Limitations and Conditions: FAA/DAS Approved Supplemental Flight Manual, P/N 685169-4, dated 2-4-77 is required for Cessna Models 210L and T210L, S/N 21059503 thru S/N 21061039. FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 685509, dated 2-4-77 is required for Cessna Models 210L and T210L, S/N 2106040 thru S/N 21061573, and Cessna Models 210M and T210M.

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

r f the Federal Aviation Administration .

Date of Application: 4-18-74 Juke wissured: 1-20-75; 3-18-75; 8-11-76; 2-4-77;

3-26-79; 8-1-84, Revision 6 Date of Issuance: 4-26-74 Date Amended:

FEDERAL AVIATIO VISTRATION • Don P. Watson Manager, Aircraft Certification Division (Signature ) Southwest Region (Title ) 47 FAA FoRM 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA30015W-D, Revision 6, dated 8-1-84 Limitations and Conditions: (continued) Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S844, dated 3-26-79 is required for Cessna Models 210N and T210N, and/or later FAA Approved Revisions of the above Supplements.

Placard, P/N 13A660-2 is required for owners with Supplemental Flight Manuals.

Placard, P/N 13A660-1 is required for owners with Pilot's Operating Handbooks.

**FAA FORM 8110-2-1 (10-69) PAGE 2OF 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 & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 1, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/15/cc/15ccfd9cb82ec6bf5cd2411a3c78fc1941443a06f09e8ae2b91c084b78e5534a)

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