# STC SA04401CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aero Innovations LLC, United States
- Description: Replace existing Engine Mount with Aero Innovations, LLC., Extended Engine Mount on certain Thrush S2R series aircraft fitted with PWC turboprop engine.
- Applied: May 28, 2015
- Status date: January 13, 2020
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/d3/22/d32292872f2138a3771b01b2496256e59f4a6950489e10d76decfe9191d0e5fc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E7934B16D37784AE862584F1007462B4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04401CH

## ADs that name it (0)

None.

## Approved models (6)

- Thrush Aircraft Inc. S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- 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-T15 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Thrush Aircraft Inc. S2R-T34 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Thrush Aircraft Inc. S2RHG-T34 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- January 13, 2020: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d3/22/d32292872f2138a3771b01b2496256e59f4a6950489e10d76decfe9191d0e5fc)

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