# STC SA4356WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ecogen, Inc, United States
- Description: Installation of two Albany Int'l dispersion pods, Dwg. No. 21940 or21961.
- Status date: April 28, 1993
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9SW](https://openairdocs.org/tcds/A9SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4F896257B138DCBD85256CC2000E3BCF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4356WE

## ADs that name it (0)

None.

## Approved models (4)

- Air Tractor Inc. AT-300 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-301 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-302 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-400 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))

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