# STC SA3065SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK431 consisting of a Piper autocontrol IIIB autopilot with optional radio couplers
- Applied: July 2, 1975
- Status date: August 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/1a/37/1a37a805ad93d82586152f9540e5b70053aabc1d8b7cd60e922f6926563c6fde
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE3AC07D033BDEAE85256CC2000A9358.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3065SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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.

I SStata of arnica department of transportation—Jpederal dotation administration Supplemental Itujc Certificate SA3Q65SW-D '^Century Flight Systems, Inc.

F.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 /J^J/u/fetteu'tnja'JvrwaufJM'iJSi ^n&^rnj^a/t^TiAjzndf&ncuA&nA 3 jd^Ae> Civil Air <sle*aMia&f>nA.

Cktai-nsil\JvctUAet——<-Jy/i»~&e>i&fi<M£e>iSli*rn0e*-: 2A13ts y* ' Piper PA-28-151, PA-28-161, PA-28-181, PA-28-236, PA-28-2Q1T Installation of Mitchell Automatic Flight System Model AK431 consisting of a Piper AutoControl IIIB Autopilot with Optional Radio Couplers according to Bulletin No. 553, Revision 10, dated 1-11^79 and Master Drawing List No, 87A668, Revision K, dated 1-11-79 (14 Volt System) and/or later FAA Approved Revisions of the above data.

FAA/DAS Approved Airplane Flight Manual Supplement, p/N 68S176-2, dated 11-26-76 is required for Piper Models PA-28-151, S/N 28-7615435 and below, FAA/DAS Approved Pilotfs Operating Handbook Supplement, P/N 68S445, dated 11-21-76 is required for Piper Model PA-28-161.

^ .,,_.,,., ^ ,.., ^ ^ * See Continuation Sheet, Page 2. a part of this STCCompatibility of this modification with, otner previously approved modifications must be determined by the installer.

,4Z^^ 11-26-76; 12-22-76; 6-16-78; 7-27-78;

12-19-78; 1-18-79; 8-16-84, Revision 7 P. Watson Manager* Aircraft Certification Division (TitU)

This crrtifieatt may kt trtaifemd in mcatduu* with FAR 21.47.

FAA Fo*M«110-2 (10-««)

jStuu of 3*uta Bcpartmtnt of ^transportation— tftdcral awation administration Supplemental t^pe Certificate(Continuation £hcet) SA3065SW-D, Revision 7, dated 8-16-84 Limitations and Conditions (Cont'd) FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S453, dated 11-26-76 is required for Piper Model PA-28-181, S/N 28-7690001 and Up.

FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S452, dated 11-26-76 is required for Piper Model PA-28-151, S/N 28-7715001 and Up.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S720, dated 6-16-78 is required for Piper Model PA-28-236, FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S800, dated 12-19-78 is required for Piper Model PA-28-201T aircraft with an Airplane Flight Manual.

Pilot's Operating Handbook and FAA/DAS Approved Airplane Manual Supplement, P/N 68S814, dated 1-18-79 is required for Piper Model PA-28-201T aircraft with a Pilot's Operating Handbook and/or later FAA Approved revisions of the above supplements.

FAA FORM at 10-2-1 (1O40) Thu cirtificati may bt transjtrrid in accordance with FAR 21.47.

CNSTRUCT.ONS: The Tan*, endorsement below may be used u, notify the appropriate FAA lu*H-I Office of the traiufer of thU Supplemenul Type Certificate.

The FAA will rei»ue the certificate in the name of the transferee and forward i, to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemenul Type Certificate Number to (Name of transferee')—— (Address of transferee).

from (Name of grantor) (Print or type).

(Address of grantor) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1a/37/1a37a805ad93d82586152f9540e5b70053aabc1d8b7cd60e922f6926563c6fde)

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