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The Dry Operating Mass (DOM) of an aircraft is the sum of the Basic Empty Mass (BEM) +
  • A
    operating items
  • B
    taxi fuel
  • C
    Traffic Load (TL)
  • D
    Traffic Load (TL) + usable fuel

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- Crew and crew baggage.
2- Catering and removable passenger service equipment.
3- Potable water and lavatory chemicals.
4- Food and beverages.

DOM = Basic Mass + Operating Items

DOM = BEM + the mass of the special operational equipment + the mass of the crew.

#Neither traffic load nor taxi fuel is part of DOM

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