Boom Supersonic one step from first Mach 1 flight after XB-1 completes 11th test
Aerotime
JANUARY 13, 2025
The team at Boom Supersonic are determining whether a 12 th test flight of its XB-1 demonstrator is needed before undertaking its first attempt at breaking the speed barrier. On January 10, 2025, XB-1 reached speeds of Mach 0.95 during a 44-minute flight over the Mojave Desert with Chief Test Pilot Tristan Geppetto Brandenburg at the controls. The 11 th XB-1 test flight also saw the aircraft climb to 29,481 feet as it closes in on supersonic speeds.
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