# STC SA1864SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Aero Innovations LLC, United States - Description: Installation of aluminum skins on the horizontal tail. - Applied: January 4, 1984 - Status date: April 27, 2016 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A3SW](https://openairdocs.org/tcds/A3SW), [TCDS A4SW](https://openairdocs.org/tcds/A4SW) - Certificate PDF: https://openairdocs.org/files/sha256/1b/4e/1b4e907b640cd5bea1031f1f660a79f124e36f84861c52db1bb83400107ad757 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/956D7B40AC1E6DCE86257FA90067B493.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1864SO ## ADs that name it (0) None. ## Approved models (10) - Thrush Aircraft Inc. 600 S-2D ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - Thrush Aircraft Inc. S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-R1340 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW)) - 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-T11 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - 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-T45 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW)) - Thrush Aircraft Inc. S2R-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. FAA Form 8110-2 (5/14) Page 1 of 2 Number: SA1864SO This certificate issued to: Aero Innovations, LLC. 7750 E. SR42 Terre Haute, Indiana 47802 Part 3 of the Civil Air Regulations. Original Product – Type Certificate Number: A3SW Make: Ayres Model: 600 S2D, S-2R, S2R-T34, S2R-T15, S2R-T11, S2R- R3S, S2R-R1340, S2R-R1820, S2R-T65, S2R-T45 Description of Type Design Change: Installation of aluminum skins on the horizontal tail in accordance with Kosola and Associates, Inc. Drawing List Report No. KR- 452, Revision A, dated November 25, 1985, or later FAA approved revision. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. Date of Application: January 4, 1984 Date Reissued: April 27, 2016 Date of Issuance: December 16, 1985 Date Amended: July 12, 1995 By Direction of the Administrator Signature Title Christina Underwood Manager Atlanta Aircraft Certification Office United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1864SO FAA Form 8110-2 (5/14) Page 2 of 2 To (Name and address of transferee) From (Name and address of grantor) ## Every issue (2) - April 27, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/4e/1b4e907b640cd5bea1031f1f660a79f124e36f84861c52db1bb83400107ad757) - July 12, 1995: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/23/90/2390b52180713699f524f02f687c3df60ea10e5ac2a26cbfe65488aad0acd798) --- 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.