Class A
Class B
Class F
Class E
Class C
100
The only kind of traffic that is permitted in this airspace.
What is IFR traffic.
100
The maximum altitude Class B airspace extends up to, inclusive.
What is 17,999 feet ASL.
100
The radio frequency that should be monitored in class F airspace.
What is 126.7 MHz.
100
The types of flights/aircraft permitted in class E airspace.
What are IFR and VFR.
100
What is necessary prior to entering a class C control zone?
What is an ATC clearance
200
High-level controlled airspace.
What is the definition of Class A airspace.
200
The type of transponder that must be carried when entering class B airspace.
What is a Mode C Transponder.
200
The type of class F airspace that can be freely entered by aircraft (and do not require permission by user agency).
What is class F, CYA (advisory) airspace.
200
Provided to IFR traffic, but not specifically mandated to be provided to VFR traffic
What is separation.
200
The two main, required conditions surrounding radio communication in class C airspace.
What is a two-way radio, and maintaining a listening watch.
300
FL180
What is the altitude "floor" of Class A airspace, in southern domestic airspace (and the southern control area).
300
This is necessary before taking an action such as an altitude change, or entering the circuit.
What is an ATC clearance.
300
The two subtypes of class F airspace that cannot be freely entered by aircraft
What is class F CYD (danger) and CYR (restricted) airspace.
300
The base altitude "floor" of a Transition Area.
What is 700 feet AGL.
300
THe class of airspace that class C reverts to, when ATC services are not provided (such as when the control tower closes)
What is class E airspace
400
The altimeter setting used by all aircraft in Class A airspace.
What is 29.92" Hg.
400
All low-level, controlled airspace.
What is the definition of Class B airspace.
400
The letter designation to specify gliding activities within class F advisory airspace.
What is CYA (S).
400
The key features/associations that make up the definition of class E airspace.
What are control area extensions, airways, transition areas, and designated airports without an operating control tower.
400
The two key associations that make up the definition of Class C airspace.
What are control zones and terminal control areas.
500
The altitude "floor" for class A airspace over the arctic control area.
What is FL270
500
The altimeter setting used in class B airspace.
What is local pressure setting.
500
Another means of denoting an area of class F restricted airspace, other than a chart/map.
What is a NOTAM.
500
The maximum altitude that class E airspace can extend up to, inclusive.
What is 17,999 feet ASL.
500
Difference between class C and D airspace in terms of radio communication
What is ATC clearance, and two-way radio communication established.
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