PPRuNe Forums - View Single Post - Helicopters and Volcanic Ash?
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Old 16th April 2010 | 15:24
  #57 (permalink)  
thwock
 
Joined: Mar 2004
Posts: 47
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From: uk
when did air traffic change from assiting aircraft with the safe and orderly flow of traffic to telling us when and where we can fly ?
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