More than 13 years after Concorde was decommissioned, 3.5 hour flights from London to New York could be making a comeback.
Boom Supersonic, an engineering firm behind a futuristic passenger jet, has raised Β£26m to build its XB-1 Jet prototype.
The craft is a third the size of the airliner that it will ultimately build and sell to airlines and aircraft leasing companies.
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βThis funds our first airplane, all the way through flight tests,β Boom founder and CEO Blake Scholl told Tech Crunch.
βNow we have all the pieces we need β technology, suppliers and capital β to go out and make some history and set some speed records.β
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The company, which has already announced a partnership with Virgin Galactic, says one-way flights will cost $2,500 (Β£2,000).
A spokesperson told Mail Online the planes would cost $200m (Β£160m) to build and could carry passengers as soon as the early 2020s.