Boeing Y3
Y3 is a Boeing Commercial Airplanes project to replace the 777-300 and 747 product lines, and may be used to compete with Airbus' A380 product range, as well as the A350, and seat a minimum of 300-350 passengers. New technologies to be introduced include composite aerostructures and more fuel-efficient turbofan engines. The design could look like the combining of 747 and Airbus 340-600. Y3 is part of Boeing's Yellowstone project.
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