# STC SA4950NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Smiley Gordon W, United States
- Description: Installation of a Franklin 4AC-199-E3 Hp. engine.
- Status date: June 26, 1990
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DF9A435C0053FC9E85256CC2000E3FE5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4950NM

## ADs that name it (0)

None.

## Approved models (1)

- American Champion Aircraft Corp. 7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759))

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