In pictures: 5 things to know about... the Boom supersonic airliner

Key facts about Boom technology's 55-seat supersonic airliner, much talked about at last week's Dubai Airshow and expected to take flight in 2023
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Boom is investing millions of dollars in its quest to produce the world’s first commercially viable supersonic aircraft since Concorde
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At 2.6 times the speed of a conventional airliner – and 10 percent faster than the Concorde – Boom’s passenger aircraft will be able to cut travel time between Dubai and London from eight hours to approximately 4.5
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Although prices will be set by the airlines, Boom expects that tickets for supersonic flight will be roughly comparable to the price of business class tickets, while at the same time allowing airlines to remain profitable
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Jenni Summer Studios
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Because it uses a turbofan rather than an afterburner (as the notoriously loud Concorde did) Boom expects the airliner to be able to land at night at London’s Heathrow with minimal disturbance
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Boom CEO Blake Scholl says there is “broad interest” from regional carriers, and the company believes 10 percent of the estimated 500 future supersonic travel routes will originate in the Arabian Gulf region
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Jenni Summer Studios
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Test flights of the XB1 supersonic demonstrator – dubbed “the Baby Boom” – will take place at the end of 2018, with the first passenger flight of the airliner expected to take place sometime in 2023