# STC SA3036SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK506 consisting of Piper Autocontrol IIIB autopilot with optional radio coupler.
- Applied: December 13, 1974
- Status date: June 21, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/1a/31/1a3107cc0402d918508fea35917b1736ec342c0ced6cec7c411e52bb4201e3cb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/44ED2C023D76802A85256CC2000A92FE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3036SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-40 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## 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.

Bcpartment of transportation — federal Situation administration Supplemental t^pe Certificate SA3036SW-D Century Flight Systems, Inc P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 &i* ^namae* iSl&atda/t&nA'.

Wajj*wrn*rt A1EA Piper PA-40 23 Aviation Installation of Mitchell Automatic Flight System Model AK506 consisting of Piper AutoControl IIIB Autopilot with Optional Radio Coupler according to Bulletin No.

629, dated 12-10-74 and Master Drawing List No. 87A7A2, dated 12-10-74 FAA/DAS Airplane Flight Manual Supplement, P/N 68S2U, dated 12-31-74 is required.

fiapproved modifications u;

12-13-74 12-31-74 ?/„& 6-21-84, Revision 1 Dn P. Watson Manager, Aircraft Certification Division Southwest Region

Thit certificate may bt tiarufnted in aciordantt uiilk ^AR 21.17.

The FAA mil reissue the cettificata in tha nama of the transferea and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor) (Number £ street} (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In inA)

## Every issue (1)

- June 21, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1a/31/1a3107cc0402d918508fea35917b1736ec342c0ced6cec7c411e52bb4201e3cb)

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