# STC SA8533SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of a Century Automatic Flight System Model AK1055 consisting of a Century 2110/2130/2131/2150/2151 Autopilot
- Applied: August 20, 1999
- Status date: August 8, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- Certificate PDF: https://openairdocs.org/files/sha256/0e/c9/0ec9bc732f357a092782b6e85ae83707d68191c510866fcd06efb22be94b1f9f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/363ADE459FED37D186256DF8006C0E32.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8533SW-D

## ADs that name it (0)

None.

## Approved models (8)

- Cessna Aircraft Company 337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

## 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 3>tatpg of America Bcportment of Qtamsporbttinn - Sfefteral JVtmrinm JV&ntnitstrothm (Eerttfkate SA8533SW-D that tft& Century Flight Systems, Inc.

3003 FM 1195 P.O. Box 610 Mineral Wells, TX 76067 f tit Models 337B and 337C.

us^tfi, tii& fan*ita£if>n& and Part 23 of the Federal Air Regulations for A6CE CESSNA 337B, T337B, 337C, T337C, 337E. T337E, 337F, & T337F Installation of a Century Automatic Flight System, Model AK1055 consisting of a Century 2110/2130/2131/2150/2151 Autopilot per Bulletin No, 2122 dated 10-31-00, Rev. 4, dated 08-05-03 and Master Drawing List No. 87A1279, dated 10-31-00, Rev. B, dated 08-05-03 (28 Volt Electrical System} or later FAA/DAS Approved Revision. FAA/DAS Approved Supplement to Pilot's Operating Handbook and/or FAA/DAS Approved Airplane Flight Manual Supplement P/N 68S1121, dated 11-10-00 Revision 2 dated 08-08-03.

Also, eligible on Cessna 337B, T337B, 337C, T337C, 337F, & T337F. Compatible with aircraft modified by STC SA937CE Norton STOL Compatibility of this modification with other previously approved modifications must be determined by the installer.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

?ii tiiaitf.it .

wwfce-d, etfet- 08-20-99 11-15-00 <2)ttJe, amended; Rev. 2, 08-08-03 (Signature) Loyd M. Higgins DAS Administrator DAS 7 SW Any alteration of this certiftcaie is punishable by a fine of not exceeding $l,000L_oi^imprisoriit^i not exceeding 3 years, or both.

FAA Form 81 10-2{l(NiS)

## Every issue (1)

- August 8, 2003: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0e/c9/0ec9bc732f357a092782b6e85ae83707d68191c510866fcd06efb22be94b1f9f)

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