instrument procedures manual | ch 3 - air traffic services

air control service

provided by airport control towers to all traffic on the manoeuvring area of an airport and to aircraft operating in the vicinity of an airport

area control service

provided by area control centres (accs) to ifr and controlled vfr flights operating within control areas

conflict resolution

resolution of potential conflicts between ifr/vfr and vfr/vfr aircraft that are radar identified and in communication with atc

terminal control service

provided by ifr units (accs) or terminal control units (tcus) to aircraft operating within specified control areas

terminal radar service

additional service provided by ifr units to vfr aircraft operating within class c, d and e airspace

alerting service

notification of appropriate organizations regarding aircraft in need of search and rescue services, or alerting of crash equipment, ambulances, doctors and any other safety services