# STC SA4-254

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Belotti Ellen, United States
- Description: Hartzell HC82XG-6/7636D-4 propeller Lycoming 70385 dual drive assembly, Woodward 210115 single acting governor and J-6230-1 lord mount assembly.
- Status date: January 1, 1961
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS AR-7](https://openairdocs.org/tcds/AR-7)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F18D7A16F26BC8E862570D50078CBF1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-254

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-18 Series ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18 Series (Restricted Cat.) ([TCDS AR-7](https://openairdocs.org/tcds/AR-7))

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