HyperMach Aerospace’s planned 20-seat supersonic business jet (SSBJ), dubbed the SonicStar, will be able to fly at Mach 4.0, the company said
HyperMach said it is increasing the top speed of its planned supersonic business jet from Mach 3.6 to Mach 4, which would allow the aircraft to fly from New York to Dubai in only 2 hours 20 minutes. The jet won’t enter service until at least 2025.
