This New Supersonic Jet Can Fly From N.Y.C. to Paris in Under 4 Hours

Spike’s S-512 Diplomat is designed to fly at 1,100 mph, cutting flight time in half for some international city pairs. The big breakthrough: Minimal supersonic boom. Spike’s S-512 Diplomat is designed to fly at 1,100 mph, cutting flight time in half for some international city pairs. The big breakthrough: Minimal supersonic boom.