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Airspace Classes

CLASS IFR / VFR SEPERATION SERVICE PROVIDED SPEED LIMITATION RADIO COMM. TRANS PONDER CLR
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
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
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
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
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
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
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
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