# STC SA3-227

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Interstate Airmotive Inc, United States
- Description: ARC L-11 loop and housing, ARC ADF receiver R-30A and power unit, and ARC control head.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-790](https://openairdocs.org/tcds/A-790)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C8505D6F92B7295D862570CA00580414.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-227

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 190 ([TCDS A-790](https://openairdocs.org/tcds/A-790))

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