New Delhi, 5 June 2021

As per news report of BBC, supersonic passenger flights ended in 2003 when Air France and British Airways retired Concorde. The new Overture aircraft will be produced by a Denver-based company called Boom, which has yet to flight-test a supersonic jet. United's deal is conditional on the new aircraft meeting safety standards. Supersonic flight is when an aircraft travels faster than the speed of sound. At an altitude of 60,000ft (18,300m), that means flying faster than 660mph (1,060km/h). A typical passenger jet may cruise at about 560mph (900km/h) but Overture is expected to reach speeds of 1,122mph (1,805km/h) - also known as Mach 1.7.

Source -bbc.com

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