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  2. Airspace class (United States) - Wikipedia

    en.wikipedia.org/wiki/Airspace_class_(United_States)

    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]

  3. List of Class C airports in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_C_airports...

    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 ]

  4. List of Class D airports in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_D_airports...

    Class D airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions with a control tower. [1] Aircraft operating in these airspace areas are subject to certain operating rules and equipment requirements. [1]

  5. List of Class B airports in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_B_airports...

    Class B airspace areas are designed to improve aviation safety by reducing the risk of midair collisions in the airspace surrounding airports with high-density air traffic operations. [1] Aircraft operating in these airspace areas are subject to certain operating rules and equipment requirements. [1] Class B airspace protects the approach and ...

  6. Airspace class - Wikipedia

    en.wikipedia.org/wiki/Airspace_class

    In Estonia, airspace is divided into only classes C, D and G. [2] Class C is used for enroute airspace, between FL095 (9,500 ft; 2,900 m) and FL660 (66,000 ft; 20,100 m) and for Tallinn TMA. Class D is used for the Ämari CTR. Class G is used below FL095 (9,500 ft; 2,900 m) , in the Kuressaare, Pärnu, and Kärdla FIZs, and Tartu FIZ/RMZ.

  7. Airspace - Wikipedia

    en.wikipedia.org/wiki/Airspace

    If the airspace is not Class A, B, C, or D, and is controlled airspace, then it is Class E airspace. Class E airspace extends upward from either the surface or a designated altitude to the overlying or adjacent controlled airspace. When designated as a surface area, the airspace is configured to contain all instrument procedures.

  8. National Airspace System - Wikipedia

    en.wikipedia.org/wiki/National_Airspace_System

    This airspace roughly corresponds to the former Airport Traffic Area. Class E airspace is the airspace that lies between Classes A, B, C, and D. Class E extends from either the surface or the roof of the underlying airspace and ends at the floor of the controlled airspace above. Class E exists for those planes transitioning from the terminal to ...

  9. West Bend Municipal Airport - Wikipedia

    en.wikipedia.org/wiki/West_Bend_Municipal_Airport

    West Bend Municipal Airport (IATA: ETB [2], ICAO: KETB, FAA LID: ETB) is a city-owned public-use airport located three nautical miles (6 km) east of the central business district of West Bend, a city in Washington County, Wisconsin, United States. [1]