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Old 7th Jul 2009, 22:10
  #3233 (permalink)  
singpilot
 
Join Date: Nov 2005
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Page 18 of the prelim report references this situation. AF447 had a FCMS (Fuel Management System) that used a 'trim tank' to move CofG aft for cruise. This transfer begins in climb, and, as noted, keep target CofG within 0.5% of target MAC. 37.8% was the estimated aft CofG for this segment of the flight, and actual regulatory aft limit would have been 'behind' that.
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