---
title: "Traffic Collision Avoidance System — aviation glossary — OnlyPlanes"
description: "An airborne system providing traffic alerts and collision-avoidance guidance."
canonical_url: "https://onlyplanes.ru/en/learn/tcas"
locale: en
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  "og:title": "Traffic Collision Avoidance System — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Aviation abbreviation

# Traffic Collision Avoidance System

Traffic Alert and Collision Avoidance System

ABBR · Safety

At a glance

## Meaning of Traffic Collision Avoidance System

An airborne system providing traffic alerts and collision-avoidance guidance.

### More about Traffic Collision Avoidance System

TCAS uses information from compatible aircraft equipment to assess nearby traffic. Depending on the version and situation, it can provide traffic advisories and resolution advisories.

It supplements other protections. Crew response follows the applicable procedures, and the system does not detect every possible object or remove the need for ATC coordination.

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