# STC ST94CH-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Garrett Aviation Services, United States
- Description: Installation of a Collins TCAS-94 traffic and collision avoidance system TCAS II with dual collins TDR-94D mode 'S' transponders.
- Status date: November 9, 1999
- 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/04216D95A2E305E585256CC3000374E8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST94CH-D

## ADs that name it (0)

None.

## Approved models (4)

- Dassault-Aviation Mystere-Falcon 20-C5 ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Mystere-Falcon 20-D5 ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Mystere-Falcon 20-E5 ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Mystere-Falcon 20-F5 ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))

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