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Version vom 27. September 2010, 11:45 Uhr von 213.5.66.88 (Diskussion) (It is defined by the U.S. FAA as "Any occurrence at an aerodrome involving the incorrect presence of an aircraft vehicle, http://www.wnmu.edu:8080/cmwiki/attach?page=OldWNMUPlan%2Fair33.html airline)
