Airspace

Question 1

Class A

Answer 1

Only IFR flight permitted
Most strictly regulated. Pilots must comply with ATC instructions at all times
Main users are airlines & Business Jets

Question 2

Class C

Answer 2

Extends from FL195 to FL660. Both IFR & VFR traffic. Requires Clearance to enter
Compliance with ATC instructions mandatory

Question 3

Class D

Answer 3

IFR & VFR use. ATC Clearance is needed & compliance with ATC mandatory
e.g. Control Areas around aerodromes
Speed limit 250kn below FL100

Question 4

Class E

Answer 4

IFR & VFR use. IFR traffic requires ATC clearance
Compliance with ATC mandatory
VFR traffic doesn’t need clearance

Question 5

Class G (Uncontrolled Airspace)

Answer 5

No legal requirement to notify ATC
Aircraft may fly when & where they like
Must follow simple rules & take responsibility for their safety.
Deconfliction, Traffic & Basic Services available
Alerting & Procedural may be available