# STC SA4113WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Thrush Aircraft Inc., United States
- Description: Installation of second pilot s seat and dual controls or passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 012980 "A", dated April 21, 1980, or later FAA approved revision. P&W R-1340-AN-1 engine is required with this installation.
FAA Approved Serv-Aero Airplane Flight Manual No. 012880 dated April 22, 1980 is required with this installation.  (S2R S/N 2526R AND UP MODIFIED BY STC SA3961WE)
- Applied: January 30, 1980
- Status date: July 30, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SW](https://openairdocs.org/tcds/A3SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/15E9BC8E5BF5DAD286256DAB004F3FDD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4113WE

## ADs that name it (0)

None.

## Approved models (1)

- Ayres Corporation S-2R ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))

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