# STC SA994SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Grumman American Avn Corp, United States
- Description: Installation of Pratt & Whitney R-1340 engine and Hamilton Standard12D40/6101-12 propeller.
- Status date: April 19, 1973
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/64CE2CB4A1758DEF85256CC2005A72C0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA994SW

## ADs that name it (0)

None.

## Approved models (1)

- Ag Cat Corporation G-164A ([TCDS 1A16](https://openairdocs.org/tcds/1A16))

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