ATS AIRSPACE CLASSIFICATIONS
Class Type of flight Separation provided Service provided VMC visibility and distance from cloud minima* Speed limitation* Radio commu-nication requirement Subject to an Air Traffic Control clearance
A IFR only All aircraft Air traffic control service Not applicable Not applicable Continuous two-way Yes
B IFR All aircraft Air traffic control service Not applicable Not applicable Continuous two-way Yes
VFR All aircraft Air traffic control service 8 km (5 miles) at and above 3050 meters (10,000 ft) AMSL 5 km (3 miles) below 3050 meters (10,000 ft) AMSL Clear of clouds Not applicable Continuous two-way Yes
C IFR IFR from IFR IFR from VFR Air traffic control service Not applicable Not applicable Continuous two-way Yes
VFR VFR from IFR 1) Air traffic control service for separation from IFR: 2) VFR/VFR traffic information (and traffic avoidance advice on request) 8 km (5 miles) at and above 3050m (10,000 ft) AMSL 5 km (3 miles) below 3050m (10,000 ft) AMSL 1 500m (5000 ft) horizontal; 300m (1000 ft) vertical distance from cloud 250 kt IAS below 3050m (10,000 ft) AMSL Continuous two-way Yes
D IFR IFR from IFR Air traffic control service including traffic information about VFR flights (and traffic avoidance advice on request) Not applicable 250 kt IAS below 3050m (10,000 ft) AMSL Continuous two-way Yes
VFR Nil Traffic information between VFR and IFR flights (and traffic avoidance advice on request) 8 km (5 miles) at and above 3050m (10,000 ft) AMSL 5 km (3 miles) below 3050m (10,000 ft) AMSL 1 500m (5000 ft) horizontal; 300m (1000 ft) vertical distance from cloud 250 kt IAS below 3050m (10,000 ft) AMSL Continuous two-way Yes
E IFR IFR from IFR Air traffic control service and traffic information about VFR flights as far as practical Not applicable 250 kt IAS below 3050m (10,000 ft) AMSL Continuous two-way Yes
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