# STC ST00378LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation Company, United States
- Description: Installation of AlliedSignal Traffic Alert and Collision Avoidance System (TCAS I).
- Status date: June 4, 1997
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS L-3-4](https://openairdocs.org/tcds/L-3-4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/13293F060F948F8D85256CC2006A7319.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00378LA

## ADs that name it (0)

None.

## Approved models (1)

- Douglas Aircraft Co. Inc. Army A-26B ([TCDS L-3-4](https://openairdocs.org/tcds/L-3-4))

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