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The Zero Fuel Mass of an aeroplane is always…

  • A
    the Take-off Mass minus the fuselage fuel mass.
  • B
    the Maximum Take-off Mass minus the take-off fuel mass.
  • C
    the Take-off Mass minus the wing fuel mass.
  • D
    the Take-off Mass minus the mass of take-off fuel.

Zero Fuel Mass (ZFM) is DOM plus traffic load but excluding fuel.

Zero Fuel Mass = Take-off Mass — Take-off Fuel Mass

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