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Britain's airspace was closed under false pretences, with satellite images revealing there was no doomsday volcanic ash cloud over the entire country. Skies fell quiet for six days, leaving as many as 500,000 Britons stranded overseas and costing airlines hundreds of millions of pounds.
However, new evidence shows there was no all-encompassing cloud and, where dust was present, it was often so thin that it posed no risk. The satellite images demonstrate that the skies were largely clear, which will not surprise the millions who enjoyed the fine, hot weather during the flight ban.
The National Air Traffic Control Service decision to ban flights was based on Met Office computer models which painted a picture of a cloud of ash being blown south from the Eyjafjallajokull volcano.
These models should have been tested by the Met Office's main research plane, a BAE 146 jet, but it was in a hangar to be repainted and could not be sent up until last Tuesday - the last day of the ban.
The maximum density of the ash was only about one 20th of the limit that scientists, the Government, and aircraft and engine manufacturers have now decided is safe...READ MORE
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