Boom Supersonic Completes XB-1 5th Flight With Speeds Of Mach 0.69

Boom Supersonic completed the fifth test flight with XB-1 on Monday from Boom Supersonic’s test base at Mojave Air & Space Port, California. Boom Supersonics proof of concept XB-1 may have been modest, reaching a maximum altitude of 17,800 feet with a total flight time of 50 minutes but the flutter system was reinstalled and worked on this critical test flight.