# STC SA3106SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK544 consisting of a
Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler
- Applied: January 22, 1976
- Status date: May 24, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/9c/f69c8d6a1ad5a1253274e6cce43a10d1f71f5d3810480ce265602e7ee116f689
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E16CDF7031A15D7085256CC2000A93E8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3106SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation B24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## What the certificate says

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA310654-D This certificate issued to: Century Flight Systems, Inc.

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

Original Product - Type Certificate Number: AICE Make: BEECH Model: B24R, C24R Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK544 consisting of a Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 665, Revision 5, dated 12-19-78 and Master Drawing List No. 87A838, Revision E, dated 12-19-78 (14 Volt System) and/or later FAA Approved revisions of the above data.

tirnilations and Cinditions: FAA/DAS Approved Supplemental Flight Manual, P/N 68S278-1, dated 5-24-76 is required for Beech Model B24R; Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685419, dated 10-4-76 1s required for Beech Model C24R. Placard, P/N 13A660-1 is required for Beech Model C24R owners; Placard, P/N 13A660-2 1s required for Beech Model B24R owners.

Compatibility of this modification with other previously approved moditications 5-24-76; 8-26-76; 10-4-76; 1-31-79;

Date of Application: 1-22-76 Sale wissued: 5-24-84, Revision 5 Date of Issuance: 1-29-76 D'ale unended:

FEDERAL AVIATIO By Direction of the Administrator " Don P. Watson (Signature ) TMINISTRATO Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM 8110-2 (10-68)

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

Signature of grantor (In ink): -

283.190

## Every issue (1)

- May 24, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f6/9c/f69c8d6a1ad5a1253274e6cce43a10d1f71f5d3810480ce265602e7ee116f689)

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