The last Concorde may have completed travel in 2003 but that doesn’t mean supersonic travel came to an end entirely. Three aviation start-ups are hoping to bring Mach speed back by 2023—and plan to tackle the faults of the previous airplane. First, not all companies are planning to reach Mach 2 (as the Concorde did) but max out at Mach 1.1 to 1.8. Further, they’ll …
Supersonic Travel May Return by 2023
