PPRuNe Forums - View Single Post - Maintaining cruise altitude while depressurised
Old 15th Mar 2016, 06:54
  #83 (permalink)  
harrryw
 
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12 Minutes Passenger Oxygen in an NGX.
4 minutes holding level does not leave much for descent.
And a lot of people with slightly decreased lung function (older passengers) would have been pushed well into the O2 desaturation curve.
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