Airborne collision avoidance system

urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Airborne_collision_avoidance_system

An aircraft system based on secondary surveillance radar (SSR) transponder signals which operates independently of ground-based equipment to provide advice to the pilot on potential conflicting aircraft that are equipped with SSR transponders.

Source: ICAO
Abbreviations: ACAS