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Thread: Flying through volcanic ash clouds
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Old 8th December 2011 | 19:54
  #8 (permalink)  
4Greens
 
Joined: Jul 2000
Posts: 1,245
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From: London
The invention has been around for over twenty years. It was not considered cost effective to fit as not that many volcanos erupt etc etc etc.

Perhaps time to fit.
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