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Thread: A320 noise change in descent at 1.8 Delta PSI
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Old 2nd July 2017 | 10:17
  #10 (permalink)  
applecrumble
 
Joined: Mar 2017
Posts: 177
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From: London
Brilliant! Great info thank you for that.
What actually causes the increase in sound in the descent when they open?
Is this the cabin air escaping the fuselage via those holes?
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