Boom’s XB-1 aircraft, a prototype for the upcoming Overture supersonic airliner, completed its fourth test flight on September 21, 2024, progressing toward supersonic speeds.
Boom’s XB-1 aircraft, a prototype for the upcoming Overture supersonic airliner, completed its fourth test flight on September 21, 2024, progressing toward supersonic speeds.
Mach 0.63, so you don’t have to click the link.