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airborne collision avoidance system
transp., avia.	sustav za izbjegavanje sudara
English thesaurus
airborne collision avoidance system
avia., Canada	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
Airborne Collision-Avoidance System
abbr., scottish	ACAS