critical event
European Supplement
urn:aero:ses:eurocontrol:airm:1.0.0:ContextualModel:ATMBusinessTerms:EU:critical_event
an unusual situation or crisis involving a major loss of EATMN capacity, or a major imbalance between EATMN capacity and demand, or a major failure in the information flow in one or several parts of the EATMN
Source:
EU/EC COMMISSION REGULATION (EU) No 255/2010