# STC ST140CH

- Type: Supplemental type certificate
- Status: Current, Reissued and Amended
- Holder: Duncan Aviation, United States
- Description: Installation of a Bendix/King CAS 81 TCAS II system.
- Status date: March 27, 2000
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F8D6B4569EDDF6385256CC300035F38.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST140CH

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. CL-600-1A11 (CL-600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

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