# STC SA4-115

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Winslow Aerofilter Corp, United States
- Description: Aerofilter 30816A.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A5](https://openairdocs.org/tcds/2A5)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/53CD74FAE47F5520862570CE005F90EA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-115

## ADs that name it (0)

None.

## Approved models (1)

- Curtiss-Wright Corporation C-46/CW20-T ([TCDS 2A5](https://openairdocs.org/tcds/2A5))

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