The International Air Transport Association (IATA) sharply criticized European governments for their lack of leadership in handling airspace restrictions in light of the Icelandic volcano eruption, and urged a re-thinking of the decision-making process. IATA in particular criticized Europe’s unique methodology of closing airspace based on theoretical modeling of the ash cloud an that decisions have been taken without adequately consulting the airlines.Source: IATA press release of April 19, 2010; find full text here>>.