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The Zero Fuel Mass and the Dry Operating Mass:
  • A
    differ by the sum of the mass of usable fuel plus Traffic Load mass.
  • B
    differ by the mass of usable fuel.
  • C
    differ by the value of the Traffic Load mass.
  • D
    are the same value.

Zero-fuel mass (ZFM) of an aircraft is the total weight of the airplane and all its contents, minus the total weight of the usable fuel on board.

Zero fuel mass include:

1.Dry Operating mass.
2.Traffic load.

Zero fuel mass is same like DOM and the only difference between them is traffic load.

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