# STC SA3165SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK174 consisting of Autocontrol
IIIB Autopilot with Optional Radio Coupler
- Applied: November 3, 1976
- Status date: June 7, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/51/9c/519cf6900b42cba1333d7228dace4acc0d46e8738cf87796ccb7a48f2c4fa144
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3E022525E704A46785256CC2000A94B5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3165SW-D

## ADs that name it (0)

None.

## Approved models (7)

- Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-200 ([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.

Bcpartmcnt of ICransportanon --federal atriation administration Supplemental TCpe Certificate SA3165SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 - Mineral Wells, TX 76067

• J<^ ^ySi* deAi^w ^^ J&^ fet£rw^?M Svrvxiuf/ 4i>t£n jA&jfwnA&i&t>n&Ja4idjC*>?vcU&c*rid' 3 Civil Air 2A13 Piper PA-28-140, PA-28-150, PA-28-160, PA-28-180, PA-28R-180, PA-28R-200, PA-28-235 Installation of Mitchell Automatic Flight System Model AK174 consisting of Autocontrol IIIB Autopilot with Optional Radio Coupler according to Bulletin No. 287, Revision 7,. dated 1-15-80 and Master Drawing List No. 87A592, Revision C, dated 1-15-80 (14 Volt System) and/ or later FAA Approved Revisions of the above data.

See Continuation Sheet, Page 2, a part of this STC 11-3-76 12—20—76 .edifications <^ ^ 2-1-80; 6-7-84, Revision 2 41 frtr ttstfff •' Don P. Watson (Sig*ah*t) Manager, Aircraft Certificaticm Division Southwest Region (Title)

FAAFotM SI 10-2(10-68)

Btpartmnit of Transportation—.federal awation administration Supplemental t^pe Certificate(Continuation $heet) i/VM/mweW SA3165SW-D, Revision 2 Eligible only on Piper Model PA-28R-200, S/N 28R-7135329 and below The following FAA/DAS Approved Airplane Flight Manual Supplements are required;

P/N 68S458, dated 12-20-76 for Piper Models PA-28-140, S/N 28-7625275 and below, PA-28-150, PA-28-160 and PA-28-180, S/N 28-7205318 and below P/N 68S460, dated 12-20-76 for Piper Models PA-28-180, S/N 28-7305001 through S/N 28-7505259 P/N 68S461, dated 12-20-76 for Piper Model PA-28R-180, S/N 28R-7130013 and below P/N 68S463, dated 12-20-76 for Piper Model PA-28-235, S/N 28-7310001 up to but not including S/N 28-7710001 P/N 68S462, dated 12-20-76 for Piper Model PA-28R-200, S/N 28R-7135329 and below P/N 68S497, dated 12-20-76 for Piper Model PA-28-235, S/N 28-7210023 and below The following FAA/DAS Approved Pilot's Operating Handbook Supplements are required:

P/N 68S459, dated 12-20-76 for Piper Model PA-28-140, S/N 28-7725001 and Up P/N 68S465, dated 12-20-76 for Piper Model PA-28-235, S/N 28-7710001 and Up and/or later FAA Approved Revisions of the above Supplements.

FAA FORM (110-2.1 (10-8B) Thu ctrtificott may hi transftntd in aecordanct with FAR 21.47, PAGE 2 OF 2 PAGES

be uied to notify the appropriate FAA Regional Office ofINSTRUCTIONS: The transfer ertdortement below may the transfer of Urn Supplemenul Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

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

(City. Stale. **<l C from (Name of grantor) (Print or type).

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

Signature of grantor (In ink):

## Every issue (1)

- June 7, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/51/9c/519cf6900b42cba1333d7228dace4acc0d46e8738cf87796ccb7a48f2c4fa144)

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