Hacker News with Generative AI: Supersonic Flight

Chinese plane designed to travel twice as fast as Concorde completes test flight (scmp.com)
A Chinese company says it has conducted a test flight of a prototype commercial transport plane that can travel at Mach 4 – or twice the speed of a Concorde.
Boom Supersonic's XB-1 prototype aces 2nd test flight (space.com)
Boom Supersonic's XB-1 demonstrator completes second test flight (aerotime.aero)