---
title: "Airborne Collision Avoidance System — aviation glossary — OnlyPlanes"
description: "The international term for an airborne collision-avoidance system."
canonical_url: "https://onlyplanes.ru/en/learn/acas"
locale: en
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  "og:title": "Airborne Collision Avoidance System — aviation glossary"
---

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Aviation abbreviation

# Airborne Collision Avoidance System

ABBR · Safety

At a glance

## Meaning of Airborne Collision Avoidance System

The international term for an airborne collision-avoidance system.

### More about Airborne Collision Avoidance System

ACAS uses information about nearby aircraft to support collision avoidance. TCAS is a particular implementation associated with this function.

The alerts and guidance available depend on the installed version and conditions. The system supplements established traffic-management procedures rather than replacing all air traffic control or visual observation.

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