Thread: Aircraft Cabin Pressure
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Old 03-06-2016, 10:34 AM
  #30  
threeighteen
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Originally Posted by WhatNow View Post
The level of humidity in a airliner at cruise altitude is virtually zero. Boeing humidifies the 787 to bring the moisture level up making for a more comfortable flight. The are trying to add moisture not reduce it.
I'll just put these here again.....

Straight from Boeing (they know a thing or two about airplanes): Controlling Nuisance Moisture in Commercial Airplanes

The rain in planes | The Economist
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