# STC SA3452SW-D - Type: Supplemental type certificate - Status: Current, Amended - Holder: Century Flight Systems Inc, United States - Description: Installation of a Century Automatic Flight System Model AK957 - Applied: December 29, 1986 - Status date: April 16, 2013 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13) - Certificate PDF: https://openairdocs.org/files/sha256/60/56/6056d80277f93f58f84b019981d85484835f56bb6e60f54aaac4c0dd5fcddeab - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E5F64803E2A82EA186257B520066AF24.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA3452SW-D ## ADs that name it (0) None. ## Approved models (2) - Cessna Aircraft Company R182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company T182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) ## 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 Transportation - Federal Aviation Administration Supplemental Type Certificate Project Number SA9156SC-A TTP N umber: SA3452SW-D 3003 FM 1195 PO Box 610 Mineral Wells, Texas 76067 Part 3 of the Civil Air R egulations. Original Product Type Certific ate N umber : 3A13 M ake : Cessna M odel : R182, TR182 Description of Type Design Change: Installation of a Century Automatic Flight System Model AK957 consisting of a Century 2010/2030/2031/2050/2051/30300/30301/30310/30311/30320/30321/30330/30331/30500/30501/30510/30511/30520/ 30521/30530/30531/40300/40301/40310/40311/40320/40321/40330/40331/40500/40501/40510/40511/40520/40521/40530/ 40531 Autopilot per Bulletin No. 2013, dated 12-08-86, Revision 6, dated 11-24-08 and Master Drawing List No. 87A1167, dated 12-08-86, Revision E, dated 11-24-08 (14 Volt System), or later FAA Approved Revision. FAA Approved Supplement to Pilot’s Operating Handbook and/or FAA Approved Airplane Flight Manual Supplements P/N 68S994, dated 12-10-86, Rev. 1, dated 12-10-92, and 68S994-1, dated 04-16-13, and 68S994-2, dated 04-16-13, and/or later FAA Approved Revisions. Limitations and Conditions : Eligible on Cessna Models R182 and TR182. The installer must determine whether this design change is compatible with previously approved modifications. 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. The certificate basis for this modification is per Type Certificate Data Sheet (TCDS) 3A13. Date of application: December 29, 1986 Date reissued: Date of issuance: January 15, 1987 Date amended: Rev. 1, April 20, 1993; Rev. 2, April 16, 2013 B y direction of the A dministrator (Signature) S. Frances Cox Manager, Special Certification Office Southwest Region (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Signature of grantor (In ink): ## Every issue (1) - April 16, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/60/56/6056d80277f93f58f84b019981d85484835f56bb6e60f54aaac4c0dd5fcddeab) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.