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  2. National Security Area - Wikipedia

    en.wikipedia.org/wiki/National_Security_Area

    On VFR sectional charts, NSAs are delimited by a heavy dashed magenta border and a special notation. When not referring to aviation, a National Security Area is a designated area temporarily placed under the command of the National Nuclear Security Administration.

  3. Prohibited airspace - Wikipedia

    en.wikipedia.org/wiki/Prohibited_airspace

    Such areas are established for security or other reasons associated with the national welfare. These areas are published in the Federal Register and are depicted on aeronautical charts." Part of a terminal area chart, showing the prohibited/restricted airspace surrounding Camp David. Some prohibited airspace may be supplemented via NOTAMs.

  4. Sectional aeronautical chart - Wikipedia

    en.wikipedia.org/wiki/Sectional_aeronautical_chart

    The first sectional chart was published in 1930; in 1937 the full series of the lower 48 states was completed. These early sectional charts were smaller (most covered two degrees of latitude and six of longitude) with the map on one side; after 1950 the legend and index to adjoining charts was on the reverse.

  5. Air Defense Identification Zone (North America) - Wikipedia

    en.wikipedia.org/wiki/Air_Defense_Identification...

    ADIZ boundaries for the United States and Canada as of 2018. ADIZ boundaries for Alaska. The Air Defense Identification Zone of North America is an air defense identification zone (ADIZ) that covers the airspace surrounding the United States and Canada – in which the ready identification, location, and control of civil aircraft over land or water is required in the interest of national ...

  6. Air defense identification zone - Wikipedia

    en.wikipedia.org/wiki/Air_defense_identification...

    An air defense identification zone (ADIZ) is a region of airspace in which a country tries to identify, locate, and control aircraft in the interest of national security. [1] It is declared unilaterally [ 2 ] and may extend beyond a country's territory to give the country more time to respond to possibly hostile aircraft. [ 3 ]

  7. Airspace - Wikipedia

    en.wikipedia.org/wiki/Airspace

    Such areas are established for security or other reasons associated with the national welfare. Prohibited areas in the United States are published in the Federal Register and are depicted on aeronautical charts. The area is charted as a "P" followed by a number (e.g., P-49).

  8. Restricted airspace - Wikipedia

    en.wikipedia.org/wiki/Restricted_airspace

    Section of the Sectional Aeronautical Chart for Washington 90th edition, showing the restricted area R-5002 around Warren Grove, New Jersey. Restricted airspace is an area of airspace typically used by the military in which the local controlling authorities have determined that air traffic must be restricted or prohibited for safety or security concerns.

  9. Category:Air traffic control in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Air_traffic...

    National Security Area; New York Air Route Traffic Control Center; ... Sectional aeronautical chart; Security Control of Air Traffic and Air Navigation Aids;