# STC SA3230SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK660 consisting of Century IIB autopilot with optional radio coupler.
- Applied: September 6, 1977
- Status date: December 7, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/61/f3/61f36394f1c7eb7e518682d3d85883a672c0508751fd6c79ef9aeaf504a3b532
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8FAB3AF429FF2E2786257DA500665EB3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3230SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation F33A ([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.

United grata of amtrica Bepartment of transportation —jNeral aoiation administration Supplemental 'Cuje Certificate SA3230SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 vf<>r-Jin&f<>6fot*ti!<n^fw*>ctu<dMHM&;£n&;&?n&£aJu>n^ 3 Jibe Civil Air tJl&nM/o/t&nA.

3A15 Beech F33A Installation of Mitchell Automatic Flight System Model AK660 consisting of a Century II B Autopilot with Optional Radio Coupler according to Bulletin No. 789, dated 9/2/77 and Master Drawing List No. 87A955, dated 9/2/77, or later FAA approved revision.

Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement P/N 68S593 dated 9/22/77 is required.

Compatibility of this modification with other previously approved raodif icatiohs must be determined by the installer.

<& 4ne* 9/6/77 LS«6 >*m«f,/: 12/7/83 Revision 1 9/22/7 -Ja/r arrts tu/fr/:

Don P. Watson Manager, Aircraft Certification Division Southwest Region ___(Title)

This certificate may be transferred in accordance with FAR 21.17.

**FAA FOUM 8110-2 (10-68)**

tNSTRUCTIONS: The transfer endorsement below may be used .0 notify the appropriate FAA Kegion.1 Office of the transfer of thU Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it 10 him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee) _ from (Name of grantor) (Print or type).

(Address of grantor) (City. SttU, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- December 7, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/61/f3/61f36394f1c7eb7e518682d3d85883a672c0508751fd6c79ef9aeaf504a3b532)

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