# STC SA2440WE

- Type: Supplemental type certificate
- Status: Current, Reissued and Amended
- Holder: R-S Sales Inc., United States
- Description: Installation of automatic flagman Model No. 4.
- Status date: August 27, 2001
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A7](https://openairdocs.org/tcds/2A7), [TCDS A3SW](https://openairdocs.org/tcds/A3SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DDA2CAA5AD4B5B2A85256CC200015E2D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2440WE

## ADs that name it (0)

None.

## Approved models (4)

- Ayres Corporation 600 S-2D ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))
- Ayres Corporation 600-S2C ([TCDS 2A7](https://openairdocs.org/tcds/2A7))
- Ayres Corporation S-2C ([TCDS 2A7](https://openairdocs.org/tcds/2A7))
- Ayres Corporation S2R ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))

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