Air traffic management

Definitions
Air traffic management is

"[tr]he aggregation of the airborne and ground-based functions (air traffic services, airspace management and air traffic flow management) required to ensure the safe and efficient movement of aircraft during all phases of operations."

"[t]he dynamic, integrated management of air traffic and airspace (including air traffic services, airspace management and air traffic flow management) &mdash; safely, economically and efficiently &mdash; through the provision of facilities and seamless services in collaboration with all parties and involving airborne and ground-based functions."