Airspace Flashcards
Class A dimensions
Lateral: over 48 contiguous states
Vertical: 18000’ to FL 600
IFR only
12 NM off coast
Class A Wx Minimums
N/A
Class B dimensions
Solid Blue line
Lateral: as depicted
Vertical: as depicted
Normal radius: 30 NM mode C veil
Class B Equipment
ATC clearance
Two way Radio Comms
Transponder
Class B VFR Wx Minimums
3 SM COC
Class C - Dimensions
Solid Magenta line
Lateral: 5 NM radius, 10 NM shelf
Vertical: Core SFC to 4K, Shelf 1.2k-4K
Class C equipment
ATC Clearance for IFR
2 way radio comms
Transponder
Class C VFR WX minimums
3 SM 1k above, 500 below and 2k horizontal
Class D - Dimensions
Dashed Blue line
Lateral: As depicted
Vertical: SFC to 2500 above Airport rounded to nearest 100’
Class D Equipment
ATC for IFR
2-way radio if tower is Operational
Class D - VFR Wx minimums
3 SM 1k above, 500 below and 2k horizontal
Class E - Dimensions
Any regulatory airspace that is not A-D
Vertical: SFC based
Vignette: 700 inside 1200 outside
Class E equipment
ATC for IFR
2-way radio if tower is operational
Transponder above 10,000
Class E - VFR Wx min less than 10,000 MSL
3 SM 1k above, 500 below and 2k horizontal
Class E - VFR Wx min above 10,000 MSL
5 SM 1000 above, 1000 below,
1 SM horizontal
Class G - Dimensions
All non regulatory airspace not defined as class A-E
Class G VFR Wx minimums
SFC to 1200 AGL
D - 1/2 SM COC
N - 1 SM COC
Class G VFR Minimums
>1200 AGL to <10,000 MSL
D - 1 SM BCC
N - 3 SM BCC
Class G VFR WX minimums
At or above 10,000 MSL
D/N - 5 SM, 1000 above, 1000 below
1 SM hotizontal
Blue Airport
Has a control tower
Magenta airport
Do not have a tower
Star above airport
Rotating beacon from sunrise to sunset
MEF
Maximum elevation feature
200 ft clearance mountains
100 ft clearance non mountains
Regulatory airspace
Class A-E, prohibited and restricted