# STC ST453CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: ElectroSonics Div of AiRadio Corporation, United States
- Description: Installation of AlliedSignal Mark VII ground proximity/windshear warning system.
- Status date: December 6, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7EU](https://openairdocs.org/tcds/A7EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/448EEF05EE9D178385256CC30003602A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST453CH

## ADs that name it (0)

None.

## Approved models (1)

- Dassault-Aviation Mystere-Falcon 20-F5 ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))

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