Domanda 49, Mass and Balance - ATPL - Airline Transport Pilot Licence

The total mass of the aircraft ready for a specific type of operation excluding all usable fuel and traffic load.
The total mass of the aircraft ready for a specific type of operation excluding crew and crew baggage.
The total mass of the aircraft ready for a specific type of operation excluding all traffic load.
The total mass of the aircraft ready for a specific type of operation excluding all usable fuel.