# STC SE4-944

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Wasmuth Company, United States
- Description: Modification of Pratt & Whitney18394 pinion assembly to the equivalent of Pratt & Whitney57612 designated as Wasmuth W-1.
- Status date: January 1, 1960
- Product: Engine
- Certification basis: Part 21
- Data sheets: TCDS 5E-5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CB6BE52BDD15199C862570D2006602E7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE4-944

## ADs that name it (0)

None.

## Approved models (1)

- Pratt & Whitney Division R-2000 Series (TCDS 5E-5)

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