# STC SA2150SO

- 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. (S2R, 600 S2D SERIES RESTRICTED CATEGORY)
- Status date: August 14, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4686A9992292CD2A85256CC200015A4B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2150SO

## ADs that name it (0)

None.

## Approved models (2)

- Ayres Corporation 600 S2D ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Ayres Corporation S2R Series ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))

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