# STC SA948EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Atlantic Aviation Corporation, United States
- Description: Installation of battery isolation system.
- Status date: March 23, 1973
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C7D69CB5F67912D585256CC20058EB15.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA948EA

## ADs that name it (0)

None.

## Approved models (3)

- Israel Aircraft Industries Ltd. 1121 ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1121A ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1121B ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))

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