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It is currently 2 Dec 2024, 8:21

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Airspace classification
A  B  C  D  E  F  G
* Visual flights are prohibited  * Controlled airspace  * Uncontrolled airspace

Class A airspace

Instrument flights (IFR)Visual flights (VFR)
Separation All aircraft Visual flights are prohibited
Service Air traffic control service
Meteorological minima Not applicable
Speed limit Not applicable
Radio communication Continuous two-way
ATC clearance Required

Class B airspace

Instrument flights (IFR)Visual flights (VFR)
Separation All aircraft All aircraft
Service Air traffic control service Air traffic control service
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below, clear of cloud
Speed limit Not applicable Not applicable
Radio communication Continuous two-way Continuous two-way
ATC clearance Required Required

Class C airspace

Instrument flights (IFR)Visual flights (VFR)
Separation All aircraft From IFR
Service Air traffic control service Air traffic control service for separation from IFR flights, traffic information in respect of other VFR flights (and traffic avoidance advice if requested)
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below; distance from cloud: 1,500 m horizontal, 1,000 feet vertical
Speed limit Not applicable 250 knots indicated airspeed below flight level 100
Radio communication Continuous two-way Continuous two-way
ATC clearance Required Required

Class D airspace

Instrument flights (IFR)Visual flights (VFR)
Separation From IFR Not provided
Service Air traffic control service, traffic information in respect of VFR flights (and traffic avoidance advice if requested) Traffic information in respect of other flights (and traffic avoidance advice if requested)
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below; distance from cloud: 1,500 m horizontal, 1,000 feet vertical
Speed limit 250 knots indicated airspeed below flight level 100 250 knots indicated airspeed below flight level 100
Radio communication Continuous two-way Continuous two-way
ATC clearance Required Required

Class E airspace

Instrument flights (IFR)Visual flights (VFR)
Separation From IFR Not provided
Service Air traffic control service and traffic information in respect of VFR flights as far as practical Traffic information in respect of other flights as far as practical
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below; distance from cloud: 1,500 m horizontal, 1,000 feet vertical
Speed limit 250 knots indicated airspeed below flight level 100 250 knots indicated airspeed below flight level 100
Radio communication Continuous two-way Not required
ATC clearance Required Not required

Class F airspace

Instrument flights (IFR)Visual flights (VFR)
Separation From IFR as far as practicalNot provided
Service Air traffic advisory service and flight information service if requested Flight information service if requested
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below; distance from cloud: 1,500 m horizontal, 1,000 feet vertical; at or below 3,000 feet above mean sea level or 1,000 feet above terrain (whichever is the higher): 5 km visibility, clear of cloud, surface in sight
Speed limit 250 knots indicated airspeed below flight level 100250 knots indicated airspeed below flight level 100
Radio communication Continuous two-way Not required
ATC clearance Not required Not required

Class G airspace

Instrument flights (IFR)Visual flights (VFR)
Separation Not provided Not provided
Service Flight information service if requested Flight information service if requested
Meteorological minima Not applicable Visibility: 8 km at and above flight level 100, 5 km below; distance from cloud: 1,500 m horizontal, 1,000 feet vertical; at or below 3,000 feet above mean sea level or 1,000 feet above terrain (whichever is the higher): 5 km visibility, clear of cloud, surface in sight
Speed limit 250 knots indicated airspeed below flight level 100 250 knots indicated airspeed below flight level 100
Radio communication Continuous two-way Not required
ATC clearance Not required Not required

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