# STC SA3059SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK466 and AK466FD consisting of Century IV autopilot and Century IV flight director autopilot with optional annunciator.
- Applied: June 6, 1975
- Status date: August 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A18CE](https://openairdocs.org/tcds/A18CE)
- Certificate PDF: https://openairdocs.org/files/sha256/0c/a7/0ca71eb66edc45080c001201d47e484cac4a4d76003899c05af6bc39ade9a74a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/368F17F43E8E2DCD85256CC2000A9342.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3059SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Alexandria Aircraft LLC 17-30A ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))
- Alexandria Aircraft LLC 17-31A ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))
- Alexandria Aircraft LLC 17-31ATC ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))

## What the certificate says

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

Tanted States of Alacrico Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA30595W-D This certificate issued to: Century F11ght Systens, InC.

F.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 Part 23 of the Federal Aviation Hegulations.

Original Product -TypeCertificate Number: AISCE Make: Bellanca Model: 17-30A, 17-31A, 17-31ATC Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK466 and AK466FD consisting of Century IV Autopilot and Century IV Flight Director Autopilot with Optional Annunciator per Bulletin No. 587, Revision 4, dated 7-7-76 and Master Drawing List No. 87A698, Revision D, dated 7-7-76, Limitations and Conditions:

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S161-2; dated 7-28-76 is required, Placard, P/N 13A660 1s required Compatibility of this modification with other previously approved modifications

Date of Application: 6-6-75 Datomissued: 7-28-76, 8-16-84, Revision 2 Date of Issuance: 7-2-75 Date Amended:

EDERA AVIATION by digation of the Sadministrolor Don P. Watson (Signature) SOMINISTAA ON Manager, Aircraft Certification Division Southwest Region (Tille)

47.

**FAR FORM 8110-2 (10-68)**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) - (Address of transferee) (Yumber and street) (Cirj, Stake, and 2IP code) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel ;

Date of Transier:

Signature of grantor (In ink): -

- 889.090

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0c/a7/0ca71eb66edc45080c001201d47e484cac4a4d76003899c05af6bc39ade9a74a)

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