# STC SA3053SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK530 consisting of Piper autocontrol IIIB autopilot with optional radio coupler.
- Applied: May 7, 1975
- 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/d0/90/d090ae3e446924bb1f4ead3c30c1f412936b30efc253c3bc8ce180027d579bd0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1B491BF67B56AA9F85256CC2000A9335.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3053SW-D

## ADs that name it (0)

None.

## Approved models (6)

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

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

imitro States of Suacrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA305354-D.

This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Part 3 of the CIV11 Aix Regulations.

Original Product Type bertificate Numben: A3SO Make: Piper Model: PA-32R-300, PA-32RT-300, PA-32RT-300T, Description of Type Design Change: PA-32R-301, PA-32R-301I Installation of Mitchell Automatic Flight System Model AK530 consisting of a Piper AutoControl IIIB Autopilot with Optional Radio Coupler according to Bulletin No. 651, Revision 3, dated 1-30-80 and Master Drawing List No. 87A789, Revision C, dated 1-30-80 (14 Volt System) and/or later FAA Approved Revisions of the above data.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685242, dated 5-21-75, revised 9-4-75 is required for Piper Model PA-32R-300 aircraft with Airplane Flight Manuals. FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 685283, dated 9-4-75, revised 1-23-78, is required for Piper Moder PA-32R-300 aircraft with Pilot's Operating Handbooks.

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

Date of Application: 5-7-75 Date Reissued: 9-22-75; 1-5-78; 5-1-78;

3-3-80; 6-22-84, Revision 5 Date of Issuance: 5-21-75 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signature) ONINISTRATO Manager, Aircraft Certification Division Southwest Region (Title)

47.

**FAA FORM 0110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA305354-D, Revision 5, dated 6-22-84 Limitations and Conditions:

FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 685623, dated 1-5-78, revised 1-23-78, is required for Piper Model PA-32RT-300, FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685698-S, dated 5-1-78 is required for Piper Model PA-32RT-300T.

Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S884, dated 2-29-80 is required for Piper Models PA-32R-301 and PA-32R-301T and/or later FAA Approved revisions of the above supplements.

**FAA FORM 8110-2-1 (10-69) PAGE 2 OF 2 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) - (Number and strees) (City. State, and SIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel ;

(City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In int): -

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d0/90/d090ae3e446924bb1f4ead3c30c1f412936b30efc253c3bc8ce180027d579bd0)

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