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Thread: Question Concerning Aircraft Doors
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Old 10th Jan 2009, 18:02
  #13 (permalink)  
wiggy
 
Join Date: Feb 2001
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Well just to be really accurate, or a utter nitpicker. the 747 -400 series certainly is pressurised on the ground because during the later stages of the take-off roll the Outflow valves start to partially close at ? 80kts G/S.
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