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Thread: Can the cabin door be opened in flight?
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Old Jul 5, 2002 | 10:00 am
  #18  
LarryJ
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<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by cnk:
So during taxi, this would mean that they depressurize the interior to equate to a higher altitude</font>
No, they pressurize to slightly below field elevation. The purpose is to minimize the rate of pressure change immediately after takeoff. The newer airplanes do this, the older ones do not.

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