Airborne Collision Avoidance System (ACAS) Manual (Doc 9863)
ICAO Publications • 12m
Interview with Mie Utsunomiya. The objective of ACAS is to advise pilots in near real-time how to avoid potential collisions. Modern demands for more operational flexibility with increased safety call for a new type of ACAS. This new type of ACAS has been dubbed ACAS X. Increasing levels of traffic have led to an increase in nuisance alerts. ACAS-X will minimize these while maintaining existing levels of safety. ACAS X will take us into the future by accommodating reduced separation minimal, the introduction of new aircraft types (i.e. RPA) and the new operational paradigm being considered, ie: 4D trajectory, flight-centric control and other new procedures. The publication is available here: https://store.icao.int/en/airborne-collision-avoidance-system-acas-manual-doc-9863
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