Aviation abbreviation
Traffic Collision Avoidance System
Traffic Alert and Collision Avoidance System
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.