The AVOID device can measure the density of the ash cloud too, finding air corridors between different layers of ash.
"This device can be used in a tactical sense to let the pilot see the hazard and fly safely around it," says Dr Prata.
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Easyjet's head of engineering, Ian Davies, is working closely with Dr Prata
He said existing models of ash dispersal assume that its evenly distributed throughout the atmosphere but their research shows that it actually "travels in clumps".
AVOID would let pilots "see those clumps and avoid those clumps," said Mr Davies.
and avoid them by ~ 1000 miles or become locked between them
