It’s the first step in Boom’s ambitious goal to have supersonic airliners carry passengers by 2029. The Mach number is defined as a plane’s speed divided by the speed that sound waves move t ...
Boom Supersonic's XB-1 prototype aces 2nd test flight (photos ... the Boom Overture could carry 64 to 80 passengers on transatlantic journeys that will take just 3 hours and 30 minutes ...