Airspace class (United States)

The United States airspace system's classification scheme is intended to maximize pilot flexibility within acceptable levels of risk appropriate to the type of operation and traffic density within that class of airspace – in particular to provide separation and active control in areas of dense or high-speed flight operations.2500 AGL1 Machout of B/Corridor: 200 KIASBelow 10,000 ft. MSL – 250 KIAS