# STC SA3479SW-D - Type: Supplemental type certificate - Status: Current, Amended - Holder: Century Flight Systems Inc, United States - Description: Installation of Century Automatic Flight System Model AK986 consisting of a Century 2110/2130/2131/2150/2151 autopilot - Applied: September 20, 1988 - Status date: June 4, 2007 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21, Part 23 - Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE) - Certificate PDF: https://openairdocs.org/files/sha256/67/03/670372175085bd9d5a42dc5dab6da68412559f101a585c4e5521e573a97df799 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23E05096D68F127E862573130070C62A.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA3479SW-D ## ADs that name it (0) None. ## Approved models (4) - Cessna Aircraft Company 206H ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Cessna Aircraft Company T206H ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Cessna Aircraft Company TU206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Cessna Aircraft Company U206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) ## 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 Number SA3479SW-D This certificate, issued to Century Flight Systems, Inc. 3005 FM 1195 P.O. Box 610 Mineral Wells, TX 76067 certifies that the change in type design for the following product with the limitations and conditions therefore as specified hereon meets the airworthiness requirements of Part 3 of the Civil Aeronautics Regulations. For U206G and TU206G and Part 23 of the Federal Aviation Regulations for 206H and T206H. Original Product ⎯ Type Certificate Number: A4CE Make: CESSNA Model: U206G, TU206G, 206H, AND T206H Description of Type Design Change: Installation of a Century Automatic Flight System, Model AK986 consisting of a Century 2110/2130/2131/2150/2151/31300/31301/31310/31311/31320/31321/31330/31331/31500/31501/31510/31511/ 31520/31521/31530/31531 Autopilot per Bulletin No. 2043, dated 9-19-88, Revision 5 dated 06-30-00 and Master Drawing List No. 87A1197, dated 9-19-88, Revision D dated 09-16-97 (28 Volt System) or later FAA/DAS Approved revision. FAA/DAS Approved Supplement to Pilot’s Operating Handbook and/or FAA/DAS Approved Airplane Flight Manual Supplements are required. P/N 68S1039, dated 9-19-88 Rev. 1 dated 12-08-92 or P/N 68S1039-2, dated 10-27-06 and/or later FAA/DAS Approved Revision is required for U206G and TU206G Landplane configuration only. P/N 68S1039-1, dated 9- 19-88 Rev. 2 dated 06-04-07 or 68S1039-3, dated 10-27-06 Rev. 1 dated 06-04-07 and/or later FAA/DAS Approved Revision for U206G and TU206G Floatplane and Amphibian configuration only. P/N 68S1130 dated 06-30-00 or 68S1130-2, dated 10- 27-06 and/or later FAA/DAS Approved Revision for 206H and T206H for land plane only. P/N 68S1130-1 dated 06-30-00 or P/N 68S1130-3, dated 10-27-06 and/or later FAA/DAS Approved Revision is required for Float Plane and Amphibian configuration only. Limitations and Conditions: Eligible on landplane, Floatplane and Amphibian configurations. Models U206G and TU206G also approved with Sierra STOL per STC SA1513WE. The followi ng 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 certifica te to alter the product, the holder shall give the other person written evidence of that permission. The certificate basis for thi s modification is per Type Certificate Data Sheet (TCDS) A4CE. 20, 1988 Date reissued: Date of issuance: Oct. 6, 1988 Date amended: Dec. 2, 1992 Rev. 1, Dec. 21, 1992 Rev. 2, July 7, 2000 Rev. 3, Nov. 21, 2006 Rev. 4, June 4, 2007 Rev. 5 By direction of the Administrator (Signature) Loyd M. Higgins DAS Administrator DAS 700098 SW (Title) ## Every issue (1) - June 4, 2007: Amended, Current. [certificate](https://openairdocs.org/files/sha256/67/03/670372175085bd9d5a42dc5dab6da68412559f101a585c4e5521e573a97df799) --- 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.