Easyjet has unveiled a system that it says will allow airlines to safely fly around ash clouds.
It involves infra-red technology that allows pilots to see the damaging particles up to 62 miles ahead.
The theory is that a pilot can then change course and continue to fly safely.
More info: http://news.bbc.co.uk/2/hi/business/10234553.stm
Easyjet to trial volcanic ash detection system
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