# STC SA3223SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK341 consisting of Century I autopilot and optional omni tracker.
- Applied: June 21, 1977
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/ad/0bad11b4f2e951d08c6e6eb3e813b58bfedd006b7f10e55022da1e31be0d9e55
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DC83A9375BE2FAAF85256CC2000A9580.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3223SW-D

## ADs that name it (0)

None.

## Approved models (14)

- Beechcraft Corporation 19A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation 23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23-19 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23-24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B19 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation M19A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## 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.

Bcpartmcnt of Hftansportatiori— federal atiiation administration upplemental ¥gpe Certificate SA3123SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 ,.__ Beech 23, A23, A23A, A23-19, 19 A, B19, M19A, A23-24, B23» C23« A24> A24*- B24R» C24R Installation of Mltchell Automatic Flight System Model AK341 consisting of Century I Autopilot and Optional Omni Tracker according to Bulletin No. 454, Rev. 9 dated 8-26-77 add Master Drawing List No. 87A563, Rev* 1 dated 8-26-77.

Beech Models 23, A23, and A23A with Serial No. M-l thru M-962 and Model A23-24, MA-1 thru MA-27 must he modified in accordance with Beech Service Hews Letter, Vol XX, No. 11, dated November 1967 before they are eligible for this installation.

SEE CONTINUATION SHEET, PAGE 2, A PART OF THIS STC Pr"*°usly approved modificationsmSeShi __ 9-13-77; 3-28-84 Revision 2 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region(Title)

This certificate may be transferred in accordance with f-AR 21-47.

FAAFo«M 8110-2 (10-68)

United gtata of

•Department of transportation— ^tiltral SWation administration Supplemental 'Cgpe Certificate(Continuation $heet) SA3223SW-D Limitations and Conditions:

FAA/DAS Approved Supplemental Flight Manual, P/N 68S564, dated 6-21-77 is required for Beech Models 23, A23, A23A, A23-19, 19A, M19A, B19, B23, C23, A24, and A23-24 FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S565, dated 6-21-77 is required for Beech Model A24R.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S566, dated 6-21-77 is required for Beech Models B24R and C24R.

FAA FORM ano.2-1 (10-69) This ctrtifaatt may be transfemd in accordanct with FAR 21.47.

**PAGE 2 OF SPACES FAAAC78-443S**

INSTRUCTIONS: The tranrfer endowment below may be u~d to notify the appropria.e FAA Kcponal Office of the tranifer of this Supplemental Type Certificate.

The FAA will reiifue the certificate in the name of the traruferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee)_ (Address of transferee) from (Name of grantor) (Print or type).

(Address of grantor) (C<t>. State, t^^l Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0b/ad/0bad11b4f2e951d08c6e6eb3e813b58bfedd006b7f10e55022da1e31be0d9e55)

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