# STC SA3161SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK639 consisting of a Piper Autocontrol III B Autopilot with Optional Radio Couplers
- Applied: October 5, 1976
- Status date: June 22, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/0d/42/0d42b9a645c8cd4e939f59344d33fadda0c826031025df4430366a9bbae0ccdb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/54D50ED72DBBC82685256CC2000A94AA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3161SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Piper Aircraft Inc. PA-28R-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28RT-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28RT-201T ([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 transportation — f tderal aoiation administration Supplemental t:pe Certificate SA3161SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Civil Air/t*a*u*i^rn4n 2A13 PIPER PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T Installation of Mitchell Automatic Flight System Model AK639 consisting of a Piper Autocontrol III B Autopilot with Optional Radio Couplers according to Bulletin No. 766, Revision 2, dated 11-6-78 and Master Drawing List No.

87A884, Revision B, dated 11-6-78 (14 Volt System) and/or later FAA Approved revisions of the above data.

FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S417, dated 12-23-76 is required for Piper Models PA-28R-201 and PA-28R-201T. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S785, dated 11-30-78 is required for Piper Models PA-28RT-201 and PA-28RT-201T and/or later FAA Approved revisions of the above supplements.

10-5-76 11-29-76 -edifications -U' ** — /.- 12-23-76; 11-30-78;

6-22-84, Revision 3 4 ttt* ttS/fff • * us Don P. Watson Manager, Aircraft Certification Division Southwest Region (Titlt)

This certificate may be transferred in accordance with FAR 21.17.

fAA fo*M a 110-2 (10-46)

.NffTRUCTIONS: The transfer endorsement be.ow may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it 10 him.

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

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

(Address of grantor) __ (Xumhtt mitJ itrttl/ Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

it « r. 0 n i«H«-««»-"'»0

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0d/42/0d42b9a645c8cd4e939f59344d33fadda0c826031025df4430366a9bbae0ccdb)

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