The planes cost $9 million each, one of the least expensive models in its class.
Each plane costs $865 million - another big drawback.
They estimated that such a plane would cost at least $10 billion to develop and could be in service as early as 2005.
The new plane will cost $10 billion to develop, roughly double the budget of the original A350.
The Air Force said the plane and crew members' salaries cost $13,770 an hour.
Including parts, equipment and a special hangar at the air base, the planes cost $410 million.
A decade later, the plane had cost French taxpayers $4.4 billion, but it didn't cease flying until 2003.
These new planes would have cost more than US$5 billion to design and make.
The 50-passenger planes cost more than $15 million each.
The plane costs about $38 million, with another $8 to $12 million for accessories and other options.