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Weight exchange rates differ between short-range and long-range aircraft because

  • A.Short-range aircraft fly slower
  • B.The regulations differ
  • C.Fuel is a larger share on long range
  • D.Long-range aircraft use different materials

Answer: C

Correct answer: Fuel is a larger share on long range

On a long-range aircraft, extra weight has to be carried for many hours and needs extra fuel to carry it, which in turn needs more fuel - the compounding is severe because fuel is a large fraction of the take-off weight. On a short-range aircraft the same kilogramme costs far less, so it may be worth accepting to save cost or drag. The rate is a property of the mission, not of the regulations or the materials.

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