# STC SA3214SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK342 consisting of Century IIB autopilot with optional radio coupler.
- Applied: June 6, 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/f0/a0/f0a013dc415e12082846f79e6296e281ba7a640b62e66239ee1445a4b107fd5a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/08FFD52CFD3FAD2185256CC2000A955A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3214SW-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

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA321658-10 This certificate issued to: Century Flight Systems, Inc.

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

Original Product -Iype Certificate Number: AICE Make: Beech Model: 23, A23, A23A, A23-19, 194, B19, M19A, A23-24, Description of Type Design Change: B23, C23, A24, A24R, B24R, C24R Installation of Mitchell Automatic Flight System Model AK342 consisting of a Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 455, Rev. 12, dated 8-26-77 and Master Drawing List No. 87A564, Rev. 1 dated 8-26-77, or later FAA approved revision.

Beech Models 23, A23, A23A with Serial Nos. M-1 thru M-962 and A-23-24, Serial Nos. MA-1 thru MA-27 must be modified in accordance with Beech Service News Letter Vol.X X, No. 11, dated November 1967 before they are eligible for this installation.

**SEE CONTINUATION SHEET OF THIS STC.**

Test blade end he supperting tale which is the basis fir apprenal shull nemain in effect until sur Compatibility of this modification with other previousiy approved modifications vendered, suspended, revoked, or a termination date is otherwise established by the Adminis brater of the Federal Aviation Administration .

Date of Application: B-6-77 Jule missued: 9-13-77; 3-28-84 Rev. 2 Date of Issuance: . 6-7-77 Sale urended:

FEDERAL AVIATIO By digachion of the deministrater листан Don P. Watson (Signature ) TO MINISTRATO Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM 8110-2 (10-68)

Sanicco States of Suncrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3214SW-D, Limitations and Conditions: (Cont'd) FAA/DAS Approved Supplemental Flight Manual, P/N 68S551, dated 6-7-77 is required for Beech Models 23, A23, A23A, A23-19, 19A, M19A, B19, B23, A24, C23, and A23-24 FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685552, dated 6-7-77 is required for Beech Models A24R and B24R.

FAA/DAS Approved Airplane Flight Manual S pplement, P/N 685553, dated 6-7-77 is required for Beech Model C24R

47.

**PAGE 2 OF ZPAGES FAA AC 72-4435**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (27015 pea sequent) from (Name of grantor) (Print or type) (Address of grantor) ( Number and steel ;

Date of Transfer: - Signature of grantor (In ink): ..

+ 11= r. 0~. 1090-862-180

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f0/a0/f0a013dc415e12082846f79e6296e281ba7a640b62e66239ee1445a4b107fd5a)

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