Airspace Classes

CLASS	IFR / VFR	SEPERATION	SERVICE PROVIDED	SPEED LIMITATION	RADIO COMMUNICATION	TRANS PONDER	CLEARANCE
A	IFR	All Traffic	Air traffic control service		Continuous two-way	A + C	Yes
B	IFR	All Traffic	Air traffic control service		Continuous two-way	A + C	Yes
B	VFR	All Traffic	Air traffic control service		Continuous two-way	A + C	Yes
C	IFR	IFR from IFR IFR from VFR	Air traffic control service		Continuous two-way	A + C	Yes
C	VFR	VFR from VFR	Air traffic control service for separation from IFR. VFR/VFR: Traffic information traffic avoidance advice on request	250 KT IAS below FL 100	Continuous two-way	A + C	Yes
D	IFR	IFR from IFR	Air traffic control service. Traffic information about VFR flights, and traffic avoidance advice on request	250 KT IAS below FL 100	Continuous two-way	A + C	Yes
D	VFR	None	Air traffic control service. Traffic information about VFR and IFR flights, and traffic avoidance advice on request	250 KT IAS below FL 100	Continuous two-way	Above FL 95 TMZ	Yes
E	IFR	IFR from IFR	Air traffic control service Traffic information about VFR flights as far as practical	250 KT IAS below FL 100	Continuous two-way	A + C	Yes
E	VFR	None	Flight information service. Traffic informa-tion as far as practical	250 KT IAS below FL 100	Above FL 95 **RMZ	Above FL 95TMZ	No
F	IFR	IFR from IFR	Air traffic advisory service and flight information	250 KT IAS below FL 100	Continuous two-way	A + C	No
F	VFR	None	Flight information service	250 KT IAS below FL 100 140 KT IAS VMC minima	No	Above FL 95 *TMZ	No
G	IFR	None	Flight information service	250 KT IAS below FL 100	Continuous two-way	A + C	No
G	VFR	None	Flight information service	250 KT IAS below FL 100 140 KT IAS VMC minima	Above FL 95 **RMZ Two-way in TIZ		No