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The total mass of the aeroplane including crew, crew baggage plus catering and removable passenger equipment plus potable water and lavatory chemicals but excluding usable fuel and traffic load, is referred to as:
  • A
    Aeroplane Prepared for Service (APS) Mass.
  • B
    Maximum Zero Fuel Mass.
  • C
    Zero Fuel Mass.
  • D
    Dry Operating Mass.

Dry Operating Mass (DOM): It is the total mass of the aeroplane ready for a specific type of operation excluding usable fuel and traffic load.

The mass includes items such as:

1- Basic Empty Mass.
2- Crew and crew baggage.
3- Catering and removable passenger service equipment.

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