# STC SA3239SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK711 consisting of a Century IV autopilot or AK711FD consisting of a Century IV flight director with optional remote annunciator.
- Applied: September 6, 1977
- Status date: December 7, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A18](https://openairdocs.org/tcds/3A18)
- Certificate PDF: https://openairdocs.org/files/sha256/c6/91/c6911f4efc5e906e8fc9c70a29347d3e8bb4cf14b05c4680db91756178f3c185
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A70FA1E2B2A4A0185256CC2000A95B6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3239SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Interceptor Aircraft Inc 200B ([TCDS 3A18](https://openairdocs.org/tcds/3A18))
- Interceptor Aircraft Inc 200C ([TCDS 3A18](https://openairdocs.org/tcds/3A18))
- Interceptor Aircraft Inc 200D ([TCDS 3A18](https://openairdocs.org/tcds/3A18))

## 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 transportation —federal aoiation administration Supplemental 'Cgpe Certificate SA3239SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 j/i&.Jj^i&de&t^tMjfc^ Air

•a A 1 Q Interceptor (Aero Commander /Meyers) 200B, 200C. 200D n*&e< :

Installation of Mitchell Automatic Flight System Model AK711 consisting of a Century IV Autopilot or AK711FD consisting of a Century IV Flight Director with Optional Remote Annunciator according to Bulletin No. 844 dated 9/2/77 and Master Drawing List No. 87A951 dated 9/2/77 or later FAA approved revision.

FAA/DAS Approved Airplane Flight Manual Supplement P/N 68S582-S dated 9/26/77 is required .

Placard P/N 13A660 is required.

modifications / Asia// / -u^ <& /nf c/. ,-JJ&fe* Q /O A /7 7 _/-ate jiftw/tsttf/-

•% t\ §•* /oo Revision 1 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region (Title)

FAA Fo«M 8 H 0-2 (10-68)

y be used to notify the appropriate FAA Kegion.1 Office of the transfer of this Supplement.! 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 (Mame of transferee).

(Address of transferee).

(Cit).5l*lt. *mt ZIP mdt) from (Name of grantor) (Print or type).

(Address of grantor) __ (Cify, Sltlt, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- December 7, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c6/91/c6911f4efc5e906e8fc9c70a29347d3e8bb4cf14b05c4680db91756178f3c185)

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