# STC SA489CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Wilson James A, United States
- Description: Installation of two FRA Enterprises rams horn control wheels. (E 4935)
- Status date: March 25, 1996
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-787](https://openairdocs.org/tcds/A-787)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B23FBD9F8B63744285256CC2000E3F77.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA489CH

## ADs that name it (0)

None.

## Approved models (1)

- Univair Aircraft Corporation E ([TCDS A-787](https://openairdocs.org/tcds/A-787))

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