# STC SA1299SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK432 and AK432/FD consisting of Century IV autopilot and Century IV flight director with trim.
- Applied: February 17, 1971
- Status date: July 9, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A16](https://openairdocs.org/tcds/3A16)
- Certificate PDF: https://openairdocs.org/files/sha256/61/12/6112281df1ab298383eb698d9c148eb755e5937810aa4e8bebff0b41a33a051c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BC1F0EA2C03058A785256CC10080E194.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1299SW

## ADs that name it (0)

None.

## Approved models (8)

- 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-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

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA129951 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Purl 3 of the CIVI1 Ait Regulations.

Original Product - Type bertificate Number: ЗА16 Make: Beech Model: 95-55, -A55, -B55, -C55, D55, D55A, Description of Type Design Change: E55, E55A Installation of Mitchell Automatic Flight System Model AK432 and AK432/FD consisting of Century IV Autopilot and Century IV/Flight Director with Trim according to Bulletin No. 554 dated 6-29-73 and Master Drawing List No. 87A664 dated 6-29-73.

FAA Approved Airplane Flight Manual Supplements dated August 28, 1973, are required for Beech Models 95-55, -A55, -B55, -B55B, or for 95-C55, D55, D55A; Flight Manuals dated August 28, 1973, are required for Beech Models E55, E55A when Century IV Autopilot System AK432 is installed, or AK432/FD is installed.

The confident he pening the id is the has for penn rendered, suspended, veroked, or a lermination dale is therwise es tabdished by the Adminis traler of the Federal Aviation Administration .

Date of Application: February 17, 1971 Sule missurd: 2-12-73; 8-28-73; 7-9-84, Revision 3 Date of Issuance: April 23, 1971 Date Amended:

FEDERAL AVIATIO Don P. Watson (Signature) TO MINISTRATO Manager, Aircraft Certification Division Southwest Region (Title)

47.

INSTRUCTIONS. The transfer endorsement below may be used to notify the appropriate FAA Pegional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code.)

Signature of grantor (In ink):

## Every issue (1)

- July 9, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/61/12/6112281df1ab298383eb698d9c148eb755e5937810aa4e8bebff0b41a33a051c)

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