# STC SA3061SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK495 consisting of Century I autopilot with optional omni tracker.
- Applied: April 28, 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/sha256/29/7e/297e6a0b141163004963b7501454a512f18c1696f2db9db30837bed4019407ff
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67FE01D526BD4C2785256CC2000A934E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3061SW-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.

Emitco States of Suncrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA306154-D This certificate issued to: . Century P11ght Systens, InC.

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

Original Product -Type bertificate Numben: AISCE Bellanca Model: 17-30A, 17-31A and 17-31ATC Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK495 consisting of Century I Autopilot with Optional Omni Tracker according to Bulletin No, 619, dated 4-4-75 and Master Drawing List No. 87A711, dated 4-4-75, Limitations and Conditions:

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S230 for Bellanca Models 17-30A, 17-31A and 17-31ATC, dated 7-2-75.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 4-28-75 Datamissed: 8-16-84, Revision 1 Date of Issuance: 7-2-75 Date Amended:

FEDERA AVIATIO -Don P. Watson (Signature) Manager, Aircraft Certification Division Southwest Region (Tille)

17.

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

(Address of transferee) (Number and street) (City. Stale, and 2IP rode) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel;

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

Signature of grantor (In ink): - ...~ 827.020

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/7e/297e6a0b141163004963b7501454a512f18c1696f2db9db30837bed4019407ff)

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