Airspace Structure

Question 1

Class A airspace

Answer 1

Controlled high level airspace 
IFR ONLY 
clearance required 
Pilot must be IFR rated 
Mode C transponder

Question 2

Classification of class A airspace

Answer 2

Southern control airspace 
FL180 to FL600
Northern control airspace 
FL230 to fl600
Arctic control airspace 
FL270 to fl600

Question 3

Class B airspace

Answer 3

IFR and CVFR
controlled airspace 12,500 ASL to 17,999 ASL
clearance required

Question 4

Class C airspace

Answer 4

Controlled airspace around designated airports 
IFR require clearance 
VFR can’t enter without clearance 
IFR separation, VFR traffic info 
Mode C transponder 
Class C reverts to Class E when no ATC

Question 5

Class D Airspace

Answer 5

Controlled airspace around designated airports
IFR and VFR permitted but VFR must establish contact prior entry
IFR separation, VFR traffic info

Question 6

Class E airspace

Answer 6

VFR no requirement when NOT a control zone
IFR need clearance
When towered airport class C or D closes, then airport is Class E controlled

Question 7

Class E controlled

Answer 7

VFR must follow MF

VFR must get traffic advisory 5 min prior to entering

Question 8

Class F airspace

Answer 8

IFR not permitted unless pilot has obtained prior permission

Restricted: (CYR)
Can enter only by prior permission only

Advisory: (CYA)
VFR may fly through but not encouraged

Monitor 126.7

Question 9

Class G airspace

Answer 9

Uncontrolled airspace

126.7

Question 10

Control zone

Answer 10

Extends upwards vertically from the surface to 3000 AGL unless otherwise specified