Why are there no new supersonic planes?

The valid reasons are concerns over sonic boom, fuel economy, and market demand – with the last one being the primary driver. If there are not enough customers buying the planes, companies won't be able to recover their R&D costs or make a profit. That is reasonable.



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The North American X-15 may be the fastest plane in the world, with speeds at 4,520 mph and Mach 5.93. It's an experimental aircraft used and powered by NASA and USAF.

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About Concorde With a take-off speed of 220 knots (250mph) and a cruising speed of 1350mph – more than twice the speed of sound - a typical London to New York crossing would take a little less than three and a half hours, as opposed to about eight hours for a subsonic flight.

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Such speed didn't come cheap, though: A transatlantic flight required the high-maintenance aircraft to gulp jet fuel at the rate of one ton per seat, and the average round-trip price was $12,000.

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Provided all goes well with XB-1 testing, Boom aims to roll out the Overture craft in 2026, with the first flight of the aircraft planned for no sooner than 2027. Overture will be a successor to the last commercial supersonic aircraft, the Concorde, which operated between 1969 and 2003.

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Such speed didn't come cheap, though: A transatlantic flight required the high-maintenance aircraft to gulp jet fuel at the rate of one ton per seat, and the average round-trip price was $12,000.

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The aircraft quickly proved itself unquestionably as it reached speeds of up to 1,354 mph. To put that into context, that is around 800 mph faster than a Boeing 747 and over 350 mph faster than the earth spins on its axis!

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