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Encyclopedia > 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 three-dimensional portion of the atmosphere. A territory (from the word terra, meaning land) is a defined area (including land and waters), usually considered to be a possession of an animal, person, organization, or institution. ... Map of Sealand and the United Kingdom, with territorial water claims of 3nm and 12nm shown. ...


Airspace is divided into two basic types:

Airspace may be further subdivided into a variety of areas and zones, including zones where there are either restrictions on flying activities or complete prohibition of flying activities. Controlled airspace exists in areas where air traffic control is capable of providing traffic separation. ... Air Traffic Control Towers (ATCTs) at Amsterdams Schiphol Airport (Netherlands) Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. ... Uncontrolled airspace exists wherever a control service cant be provided for whatever reason, or is not deemed necessary, many of them are above mountains or oceans. ... Air Traffic Control Towers (ATCTs) at Amsterdams Schiphol Airport (Netherlands) Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. ...


By international law, the notion of a country's sovereign airspace corresponds with the maritime definition of territorial waters as being 12 miles out from a nation's coastline. Airspace not within any country's territorial limit is considered international, analogous to the "high seas" in maritime law. However, a country may, by international agreement, assume responsibility for controlling parts of international airspace, such as those over the oceans. For instance, the United States provides ATC services over a large part of the Pacific Ocean, even though the airspace is international. Map of Sealand and the United Kingdom, with territorial water claims of 3nm and 12nm shown. ... The terms international waters, transboundary waters, or High Seas apply where any of the following types of bodies of water (or their drainage basins) transcend international boundaries: oceans, large marine ecosystems, enclosed or semi-enclosed regional seas and estuaries, rivers, lakes, groundwater systems (aquifers), and wetlands. ...


References

  • US airspace, as described in the Aeronautical Information Manual
  • UK airspace (non-authoritative source)

See also


  Results from FactBites:
 
airspace (508 words)
Airspace is broken into the two broad groups – controlled and uncontrolled airspace – then into Class A - Class G. Class A - Class E designate controlled airspace.
In addition, each controlled airspace class sets additional requirements and is subject to one of the more than 20,000 federal air traffic controllers or the hundreds of pages of rules in the Federal Aviation Regulations.
In uncontrolled airspace, visual flight rules require pilots to meet minimum requirements for good weather and visibility, fly at certain altitudes, and to stay a minimum distance from clouds.
Airspace - Wikipedia, the free encyclopedia (170 words)
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.
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 flight under instrument flight rules (IFR) and radar coverage are impossible.
  More results at FactBites »

 
 

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