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Old 27th Aug 2008, 11:59
  #23 (permalink)  
MANAGP
 
Join Date: Mar 2002
Location: Manchester
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Page 59 of 'Getting to Grips with Fuel Economy' shows that a descent from FL350 in a A320 is 50kg more efficient @240kts than @ 300kt, you correctly state that it will take longer, 2.4 minutes, but the whole point of the exercise is to save fuel.
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