# STC SA3453SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century Automatic Flight System Model AK958 consisting of a Century 2110/2130/2131/2150/2151 autopilot.
- Applied: February 25, 1987
- Status date: January 26, 1998
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/ab/45/ab45147a6ec293d41d5b745b0c2a55258b4e4e0e20aff0fecd3d3af3dbcf2a20
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48903E7D141D1D0A85256CC2000A983A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3453SW-D

## ADs that name it (0)

None.

## Approved models (18)

- Cessna Aircraft Company 310B ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310C ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310E ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310I ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310N ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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 States of America Department of Olrausportation - Jfleaeral Autatton Administration Slype (ftertifkate SA3453SW-D certificate', Century Flight Systems, Inc.

3003 FM 11 95 P.O. Box610 Mineral Wells, TX 76067 ^ /«<W 3 ofithe> Civil Air 3A1 0 CESSNA 310B, 310C, 310D. 310E. 310F, 310G, 310H, 3101, 310J, 310K, 310L, 310N, 310P, 310Q. 310R. T310P, T310Q.ANDT310R Installation of a Century Automatic Flight System, Model AK958 consisting of a Century 2110/2130/2131/2150/2151 Autopilot per Bulletin No. 2014, dated 12-24-86, Revision 9 dated 01-19-98 and Master Drawing List No. 87A1168, dated 12-24-86, Revision H dated 01-19-98 (28 Volt System) or later FAA/DAS Approved Revision.

FAA/DAS Approved Supplement to Pilot's Operating Handbook and/or 'AA/DAS Approved Airplane Flight Manual Supplement P/N 68S995, dated 03-02-87 Rev. 4 dated 01-19-98 or .ter FAA/DAS Approved Revision and Century 2000 Autopilot Operator's Manual P/N 68S1035, dated 07-15- 86 Revision 02-07-97 or later FAA Approved Revision. This modification is also for the following applicable models when modified in accordance with STC SA412SO and/or SA2082WE: 310N, 310P, 310Q, and 310R.

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.

02-25-87 03-03-87 .- 01-04-93, 02-19-93 Rev. 3, 04-10-96 Rev. 4, 01-26-98 Rev. 5 etvtecfootts ofi Mt&jfJdtnini&ttaJ&'i' (Signature) William R. Watson DAS Staff Coordinator DAS 7 SW (Title) Anv alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 vears, or both.

INSTRUCTIONS: The ,ransfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of thit 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) (Mumbtr tnd strtel) (City,Stalt, from (Name of grantor) (Print or type).

Signature of grantor (In ink):

(Address of grantor) /A'-mifT titj Urttt}

## Every issue (1)

- January 26, 1998: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ab/45/ab45147a6ec293d41d5b745b0c2a55258b4e4e0e20aff0fecd3d3af3dbcf2a20)

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