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Is supersonic transport back?

Updated : August 21, 2019 06:32 PM IST

It’s been 15 years since Concorde was up in our skies flying faster than the speed of sound.

It led the way in aviation technology but its program lasted less than 30 years. SST or supersonic transport hasn’t been seen since in commercial aviation, but it may be about to make a comeback.

Future supersonic planes are aiming to fly at Mach 2.2. That’s 1,688 miles per hour, which would make the flight time nearly four and half hours.

Hypersonic planes will be traveling at Mach 5. Five times the speed of sound. That’s 3,836 miles per hour. Meaning the plane would take just under two hours to complete the Sydney to San Francisco journey. Around two and half hours quicker than supersonic aircraft.
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