Aviation abbreviation
Airborne Collision Avoidance System
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.