# STC SA1743SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK401 consisting of Century IIB autopilot with optional radio coupler.
- Applied: April 26, 1973
- Status date: July 16, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A16](https://openairdocs.org/tcds/3A16)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/de/b9dea138eac55e05d45df9a57a52d81a07a7d1f8e8befae8d346f639d537bb5e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/71B68F9C422B8AD885256CC10083CFC1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1743SW

## ADs that name it (0)

None.

## Approved models (9)

- Beechcraft Corporation 95-55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation 95-A55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation 95-B55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation 95-B55B ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation 95-C55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation D55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation D55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation E55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation E55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))

## 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.

©cpartmEnt of 'Cransportatiori —federal aoiation administration Supplemental TCpe Certificate SA1743SW , Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 aM4ttrfifri& iS&rJ 3 ^fye' Civil Air —— -.'/suAf- f2£t*tdtc&£f^/lum6ef Beech 95-55, -A55, -B55, -B55B, -C55, D55, D55A, E55, E55A vtAa.no*,: Installation of Mitchell Automatic Flight System Model AK.401 consisting of Century IIB Autopilot with optional Radio Coupler according to Bulletin No. 524 dated 4-24-73 and Master Drawing List No. 87A628 dated 4-24-73.

Installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611, Revision (1) dated 4-16-74 and Master Drawing List 87A708 Revision A dated 4-16-74.

: Mitchell Industries, Inc. FAA Approved Placard 13A689-401 is required for Beech Models 95-C55, D55, D55A, E55, and E55A; Placard 13A689-401-1 is required for Beech Models 95-55, -A55, -B55 , -B55B.

FAA Approved Autopilot Flight Manual Supplement P/N 68S168 dated April 16, 1974, is required for Mitchell Radio Coupler Model 1C388-3.

April 26, 1973 October 18, 1973 tA approved modifications

- ^tJvH'iiafAAa//sftinat,n' i ^^^ .$%ei>iut'tii/t<a/* r i 4-16-74; 7-16-84, Revision 2 -S t Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee).

(Address of transferee).

Sumfw and itrrrl) , Slalf, and Z.IP cndr) from (Name of grantor) (Print or type).

(Address of grantor) r and ilrtetj I City. Slali, and ZJP ante) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- July 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b9/de/b9dea138eac55e05d45df9a57a52d81a07a7d1f8e8befae8d346f639d537bb5e)

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