# STC SA3052SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK529 consisting of Piper Altimatic IIIC autopilot with command/automatic electronic pitch trim, optional radio coupler.
- Applied: December 7, 1979
- Status date: June 22, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/93/71/9371801e9063ae84860caecd09fd6a9c3c4f213a553ed32fc9fc5be9c63119c0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C1A626588EBE6A985256CC2000A9332.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3052SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Piper Aircraft Inc. PA-32R-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32R-301 (HP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32R-301 (SP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32R-301T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## 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.

Bcpartmtnt of transportation —$cdcral atriation administration Supplemental t^pe Certificate >-sle<a<4/a/i(>nA.

Ckwwria/ iJi*xu&c£ —— ^^ SA3052SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 's^ne, JyifwdeAtff^f^Jirteficitloivtr^fi'twdufJM'i&JA^^w^ Civil Air A3SO Piper PA-32R-3QO, PA-32R-301,PA-32R-301T n-a*. :

Installation of Mitchell Automatic Flight System Model AK529 consisting of a Piper Altijnatic IIIC Autopilot with Command/ Automatic Electronic Pitch Trim, Optional Radio Coupler according to Bulletin No. 649, Revision 12, dated 11-19^79 and Master Drawing List No. 87A772, Revision L, dated 11-19^-79 (U Volt System) or later FAA Approved revisions of the above data.

FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S865, dated 11-28-79 for Piper models PA-32R-301 & PA-32R-3Q1T or P/N 68S231-3, dated 11-7^77 for Piper model PA^32R-3QQ? is required or later FAA Approved revisions of the above supplements.

A placard stating "Conduct Trim Check Prior to Flight See (POH)" is required.

modifications 6-24-^75; 8-8-75; ll-H-75;

4-18-77; H-7-77; 12-7-79;

6-22-84, Revision 7 v<u- Don"P. Watson •(*>&«"><") ——^ Manager, Aircraft Certificatioji Division Southwest Region (T,tlt)

**FAA FOIM 8110-2 (10-68)**

.NSTRUCTIONS: The Iran*, endorsement be.ow may be used ,o notify ,he approve FAA Kepon.1 Office of the tranifer of thu Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward i, to 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) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/93/71/9371801e9063ae84860caecd09fd6a9c3c4f213a553ed32fc9fc5be9c63119c0)

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