NASA is exploring the potential for a supersonic jet that could take commercial passengers from London to New York in 90 minutes.
The US space agency’s Quesst mission was launched in 2016, primarily to design an aircraft with technology that reduces the loudness of a sonic boom: that’s what we hear on the ground when a plane travels faster than sound.
They are so powerful that operating an aircraft capable of producing them above populated areas is banned.
NASA’s project has resulted in X-59, a Concorde-like research jet designed by defence contractor Lockheed Martin that can cruise at 937mph at an altitude of 55,000ft without generating an unacceptable noise level.
It hopes to run test flights over US cities in 2024 and gather data on locals’ response to the sound, with the hope it could inform changes to aviation rules.
This week, NASA’s Glenn Research Center revealed it had investigated the business case for supersonic travel, potentially allowing for a jet to zip over the Atlantic at between 1,500 and 3,000mph.
Today’s large airliners fly at roughly 600mph, and a London to New York flight takes around eight hours on average.
Now, companies including Boeing and Rolls-Royce have been contracted to come up with a potential roadmap for making such trips a reality – including design concepts for supersonic passenger planes.
Mary Jo Long-Davis, manager of NASA’s hypersonic technology project, said: “The design concepts and tech roadmaps are really important to have in our hands when the companies are finished.
“We are also conscious of the need to account for safety, efficiency, economic, and societal considerations.
“It’s important to innovate responsibly so we return benefits to travellers and do no harm to the environment.”
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