# STC SA1233SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK317 consisting of Century I and optional tracking system.
- Applied: November 20, 1970
- Status date: July 9, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/29/6c/296c0040c4051f7b6c1dae09387043f4bd048258b672712432a850b9d936d19f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DB7DE4ADA06C2C3B85256CC10080E079.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1233SW

## ADs that name it (0)

None.

## Approved models (8)

- Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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.

Bepartment of transportation —federal Sttriation administration Supplemental tiyje Certificate <suvmv€4t' SA1233SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 JuSwd&*aw4^dw£t>££oaiirriaJti*}dt^£M^ 3 sd'Jne, Civil Air iSlt,&i*{aJt&nji..

3A15 Beech F33A, E33A, E33C, G33, F33C, 35-C33A, 36, A36 Ho*':

Installation of Mitchell Automatic Flight System Model AK317 consisting of Century I and Optional Tracking System according to Bulletin 428 Revision (6) dated 4-17-74 and Master Drawing List 87A526 Revision D dated 4-17-74.

FAA Approved Mitchell Industries, Inc. Placard 13A634-317 required for Beech Models F33A, E33A, E33C, G33, F33C, 35-C33A; Placard 13A634-317-1 required for Beech Models 36 and A36.

™ November 20, 1970 December 9, 1970 /•aJiJ fi~ modifications <Sf .'•taint n it JA*- ^/ fftf a fftf ftJTefr .««/ 2-16-71; 9-2-71; 11-4-71; 9-6-74;

7-9-84, Revision 5 Don P. Watson Manager, Aircraft Certification Division Southwest Region (7 alt)

FAAFo««»110-J (10-41)

I NS 1'Rl ACTIONS The transfer endorse mom below may he uspii ID noiifj itic .i|>pni|>riati- FA A I1 i-i^ional Oflii e of I ho (ranslrr of this Supplriiirnial Type CVrlifiraif lhc I \A %M|[ rt'jssue ihe i.i-i-(ih< ale in the n.inif ul ihr Irjnsferee and lor^^ar'd n lo him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number __ lo (Name oj Iransferte) (Address of Iransff ree).

(Number and i /City, Slalr, and ^IP cod*) from (Name oj grantor) (Print or type) (Address uj grantor) (Number and strffl) (City, SlaU, a Exlcnt of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- July 9, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/6c/296c0040c4051f7b6c1dae09387043f4bd048258b672712432a850b9d936d19f)

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