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Thread: Difference between AC A340-313 and A340-313X
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Old Apr 17, 2004 | 12:42 pm
  #5  
Andrew Yiu
Company Representative - Air Canada
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Headwinds still exist going Westbound (because of the earth's rotation). Then you have to add in the safety factor where the crew has to leave enough fuel in the case of diversion. Then you have to add in the passenger + cargo weight. The range of an aircraft is only as good as its flying time.
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