# STC SA3040SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK453 consisting of Century III autopilot with optional command/automatic electronic pitch trim system, radio coupler and glide slope coupler.
- Applied: January 6, 1975
- Status date: August 16, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- Certificate PDF: https://openairdocs.org/files/sha256/40/cb/40cb4823eba03a9d5d4294cbdf103cd9df4b11589a607a3558e7ad6f90adee70
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/337C00689713501785256CC2000A930F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3040SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Beechcraft Corporation 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Beechcraft Corporation 58PA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Beechcraft Corporation 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Beechcraft Corporation 58TCA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))

## 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.

JStara of 2Kria Btpartmtnt of Transportation —federal atriation administration Supplemental 'Cgpe Certificate SA3040SW-D

- Century Flight Systems, Inc.

P.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 -dfoJufade4Aa^^^^fa^ti££cxj>ii^Ji#*v£u^ .^i«j<£^>^«<^ ?TI«^ 23 j^^e, Federal Aviation ,Sl£a*j<Ca&4*nA'.

Cktaf.md J&tieUiff —~ .y*sjfa'~Ct4*&fica4e'^/lt4*n0tir-: A23CE Beech 58, 58PA, 58TC, 58TCA Installation of Mitchell Automatic Flight System Model AK453 consisting of Century III Autopilot with Optional Command/Automatic Electronic Pitch Trim System, Radio Coupler and Glide Slope Coupler according to Bulletin No, 576, Revision 6, dated 10-1-76 and Master Drawing List No. 87A714, Revision F, dated 10-1-76.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S217-2, dated 10-28-76 is required.

Placard, P/N 13A660 is required for use with Optional Command/Automatic Electronic Pitch Trim Installation, Compatibility of this modification with other previously approved modifications must be determined by the installer.

o5>^ «wi'&J!^ ^*i^^i^ ,i<yyi<>^>(^^ 1-6-75 $2«&,***A*^. 2-9-76; 7-28-76; 10-28-76;

8-16-84, Revision 4 2-5-75 ' on P. Watson Manager, Aircraft Certification Divlsioi Southwest Region (Tab)

Tliis czrttfiaiU may be traiufemil in taordana with FAR 21. f?.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Wumber and s treet) (City, State, and ZIP code} from (Name of grantor)(Print or type) (Address of grantor) (Number £ street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/40/cb/40cb4823eba03a9d5d4294cbdf103cd9df4b11589a607a3558e7ad6f90adee70)

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