# STC SA459EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Southern Ohio Avn Sales Co, United States
- Description: Conversion to Model 500B.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1BA4EDA4CCB99537862570D1005555FA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA459EA

## ADs that name it (0)

None.

## Approved models (1)

- Twin Commander Aircraft Corporation 500 Series ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

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