Their claim is the boom won't actually reach ground level for overland flights due to how they're profiled.
Of course that's the theory. The Trump Admin just allowed for a fairly audible boom.
Of course that's the theory. The Trump Admin just allowed for a fairly audible boom.
https://boomsupersonic.com/boomless-cruise
And from the top of their wikipedia page:
"is expected to reach supersonic speeds without causing a sonic boom at ground level by taking advantage of a physics phenomenon known as mach cutoff"