Airspace

Airspace means the portion of the atmosphere controlled by a particular country on top of its territory and territorial waters or, more generally, any specific portion of the atmosphere.

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Aviators divide airspace into three basic types:

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• Uncontrolled airspace is airspace in which air traffic control does not exert any authority. It exists close to the ground or in mountainous terrain where safe IFR flight and radar coverage are impossible.
• Controlled airspace exists almost every place else. Air traffic control is capable of directing aircraft in this airspace (though does not necessarily do so).
• Special use airspace includes things like areas where flight is prohibited for national security reasons. One Prohibited Airspace includes the area in the The Mall which contains the White House and the US Capitol. Another includes the area over Hollywood, California and surrounding suburbs due to the high number of notable people living there, and another is over Manhattan, New York.

See also: Airspace classes

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Territory: A territory is a defined area (including land and waters), usually considered to be a possession of an animal, person, organization, or institution....

Territorial waters: Territorial waters, or a territorial sea, is a belt of coastal waters extending twelve nautical miles from the shore of a littoral state that is regarded as the sovereign territory of the state, except that foreign ships (both military and civilian) are allowed innocent passage through it....

Airspace related Images and Photos (experimental)

Smithsonian National Air & Space 2011 Desk Calendar

Smithsonian National Air & Space 2012 Desk Calendar

Cool Feet Laptop Airspace Stands