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					ATC Zero
From Wikipedia, the free encyclopedia

ATC Zero (Air Traffic Control Zero) is an aviation term used when local airspace is closed. [1] All aircraft going to any
destination inside the airspace must re-route, and any aircraft already in the airspace must either land or fly outside the
affected airspace. Only military and emergency service aircraft are authorized to be airborne in the area.
ATC Zero gained widespread notability in the aftermath of the September 11, 2001 terrorist attacks, when all airspace in the
United States was closed by the Federal Aviation Administration (FAA). [1] Due to the 2010 eruptions of Eyjafjallajökull in
Europe, an ATC Zero condition was declared, with large swaths of European airspace being closed due to volcanic ash.[2]

See also
   Security Control of Air Traffic and Air Navigation Aids

References
   1. ^ a b Levin, Alan; Adams, Marilyn; Morrison, Blake (2002-08-13). "Part I: Terror attacks brought drastic decision: Clear the skies"   .
      USA Today. Retrieved 2010-09-11.
   2. ^ "Airlines lobby to reopen European airspace closed by Eyjafjallajökull" . ScienceBlogs. Retrieved 2010-09-11.



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