A number of companies and organizations including NASA and JAXA are researching supersonic passenger jets that can drastically cut flight times. However, even nine years after the last flight of the Concorde in 2003, no successor is in sight. A major reason for this is the airlines’ focus on transporting large numbers of people at the lowest cost possible and not at the greatest speed. The high operating cost of supersonic passenger jets is an enormous disadvantage as airlines focus on low operating costs through planes such as the 787 Dreamliner and the Airbus A380.
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Beyond Concorde: The next generation of supersonic flight