# STC SA2423SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Paul S Woods, United States
- Description: Installation of Chemical Evacuation System to remove residue from the agricultural spray dispersal system.
- Status date: October 14, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A26WE](https://openairdocs.org/tcds/A26WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0BB4D2C3BAAF62A085256CC200015DF3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2423SO

## ADs that name it (0)

None.

## Approved models (5)

- Weatherly Aviation Company Inc. 620 ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))
- Weatherly Aviation Company Inc. 620A ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))
- Weatherly Aviation Company Inc. 620B ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))
- Weatherly Aviation Company Inc. 620B-TG ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))
- Weatherly Aviation Company Inc. 620TP ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))

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