Operation Yellow Ribbon

October 8, 2007 - 10:12am
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At 9:25 a.m. EDT on  Tuesday, September 11, the Department of Transportation, via the FAA, ordered the U.S. National Airspace System (NAS) closed to all civil flights at its 460 controlled and 15,000+ nontower airports. Canada’s Ministry of Transport followed suit within one hour.

 
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