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He has to work out the precise gross weight and center of gravity for each flight and how that will change as fuel is used up.

It delivers a message to the cockpit with crucial weight and balance data, including how many people are on board, the jet’s empty and gross weight and the position of its center of gravity.

He also revealed that Boeing is currently designing a new “high gross weight” version of the largest Dreamliner, the 787-10, bumping up its payload and range to make it more competitive against the Airbus A350-900.

The maximum allowable vehicular weight posted sections of state highways is 30,000 pounds gross weight, or the cumulative width in inches of all tires contacting the road surface multiplied by 300, whichever is less, the department said.

To get fresh produce to European markets, logistics providers now have to summarise the load, giving commodity codes, product types, gross weight, number of boxes and value, plus other details.