# STC SA434EA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Atlantic Aviation Corporation, United States
- Description: Performance of Category II equipment and systems.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/382DF3F9545F1827862570D1005DB205.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA434EA

## ADs that name it (0)

None.

## Approved models (3)

- Raytheon Aircraft Company DH.125 Series 1A/R-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Raytheon Aircraft Company DH.125 Series 1A/S-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Raytheon Aircraft Company DH.125 Series 3A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

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