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Class D is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) air space designation. Class D airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions with a control tower. [ 1 ]
Class D airspace is generally cylindrical in form and normally extends from the surface to 2,500 feet (760 m) above the ground. Airspace within the given radius, but in surrounding class C or class B airspace, is excluded. Class D airspace reverts to class E or G during hours when the tower is closed, or under other special conditions. [9]
At 1,200 ft. the airspace extends to 10 nautical miles in diameter which continues to 4,000 ft. Pilots are required to establish two-way radio communications with the ATC facility providing air traffic control service to the area before entering the airspace. Within Class C, Visual and Instrument pilots are separated. [6] Class D airspace ...
The airport was initially built in the early 1930s by the Lake City Flying Club, and acquired by the U.S. Navy during World War II to facilitate pilot training and named Naval Air Station Lake City and commissioned in December 1942, as NAS Lake City.
All airspace above FL195 is class C controlled airspace, the equivalent to airways being called Upper Air Routes and having designators prefixed with the letter "U". If an upper air route follows the same track as an airway, its designator is the letter "U" prefix and the designator of the underlying airway.
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Class C is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) air space designation. Class C airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions in the terminal area and enhance the management of air traffic operations therein. [ 1 ]
May not fly in Class B, C, D airspace or to any controlled airport. May not fly an aircraft that has more than four seats, a tailwheel, more than one engine, or more than 180 hp. May not fly aircraft falling under the definition of a complex airplane, with retractable gear, adjustable flaps and variable-pitch propeller.