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Ash grounds RAF jets 22 April 2010

Posted by admin in eruptions, Eyjafjöll, Iceland.
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The BBC reports this afternoon that RAF Typhoon training flights in Lincolnshire have been suspended after volcanic ash was found in one aircraft’s engines. Update: more at Flightglobal.

Military jets fly a great deal faster than civilian aircraft and their engines draw in more air and at a more rapid rate, making them more vulnerable to ash ingestion and consequent damage. But it goes to show that the ash is still up there and the threat to aviation it represents is not an invention of a conspiracy of regulators bent on spoiling everyone’s holidays.

UPDATE. The United States Air Force also has ash concerns, about its F-15s flying from RAF Lakenheath in Suffolk: US Military fears volcano could harm jets.

The Volcanism Blog