# STC SA03518AT - Type: Supplemental type certificate - Status: Current, Amended - Holder: Turbine Conversions Ltd, United States - Description: Installation of a bonded doubler inside the wing leading edge. - Applied: May 12, 2006 - Status date: May 11, 2016 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A3SW](https://openairdocs.org/tcds/A3SW), [TCDS A4SW](https://openairdocs.org/tcds/A4SW) - Certificate PDF: https://openairdocs.org/files/sha256/65/8d/658d2b09b6d96424444b5dc387e18623f0b955eea49d107c8a9aa2e56de19f26 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E23DF29E51A4FF1E862586A10004612F.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA03518AT ## ADs that name it (0) None. ## Approved models (25) - Thrush Aircraft Inc. 600 S-2D ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. 600 S-2D ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-G1 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-G10 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-G5 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-G6 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-H80 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-R1340 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R-R1340 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-R1820 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-R3S ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R-R3S ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T11 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R-T11 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T15 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R-T15 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T34 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R-T34 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T45 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T65 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-T660 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2RHG-T34 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2RHG-T65 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) ## 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. Part 23 of the Federal Aviation R egulations. (See Type Certificate Data Sheet No. A3SW and Type Certifcate Data sheet No. A4SW for complete certification basis). Original Product --Type Certificate N umber : Installation of a bonded doubler inside the wing leading edge in accordance with Turbine Conversion, Ltd. Master Document List (MDL) MDL-A2006-051-1, Revision B, dated March 7, 2014, or later FAA approved revisions. 1. This installation of the bonded doubler inside the wing leading edge is only eligible for installation on aircraft model number appoved in Turbine Conversion, Ltd. Master Document List (MDL) MDL-A2006-051-1, Revision B, dated March 7, 2014, or later FAA approved revisions. 2. The Instruction for Continued Airworthiness (ICA), ICA-A2006-051-1 Rev. B, dated March 7, 2014, or later FAA accepted revision, is required part of this STC and must be incoperated into the operator’s maintenance program. 3. This approval should not be extended the other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by installer that interrelationship between this change and any other previously approved modifications will not produce no adverse effect upon the airworthiness of that airplane. 4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Turbine Conversions, Ltd. 18155-120th P.O Box 8 Nunica, MI 49448 A3SW, A4SW M ake : Thrush Aircraft, Inc. M odel : 600, S2D, S2R-R1340, S2R-G10, S2R, S2R-R1820, S2R-G5, S2R-T15, S2RHG-T65, S2RHG-T34, S2R-R3S, S2R-T45, S2R-T660, S2R-T11, S2R-G6, S2R-H80, S2R-T34, S2R-T65, S2R-G1. Date of application : May 12, 2006 Date of issuance : November 28, 2007 Date reissued : November 25, 2009, January 4, 2013 Date amended : May 11, 2016 B y direction of the A dministrator Original Signed By: Karol Mordasiewicz (Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office (Title) FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES Number FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES ## Every issue (5) - May 11, 2016: Amended, Current. [certificate](https://openairdocs.org/files/sha256/65/8d/658d2b09b6d96424444b5dc387e18623f0b955eea49d107c8a9aa2e56de19f26) - January 4, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/47/96/4796f14cb30e972b09e41b0b2cd1aebb262c3c7598696c40dd6df5195e280971) - November 25, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/38/4b/384bce2cab7af224d97c0e8c54c7e6ddb2bc798a50361e882ab2c6f8e3a09bf3) - November 28, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/bb/b1/bbb13cad42336e3951cb874a65bb706109a359924234be38bda37f846a2a2f2d) - Undated: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/65/8d/658d2b09b6d96424444b5dc387e18623f0b955eea49d107c8a9aa2e56de19f26) --- 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.