Superfast Military Aircraft Hit Mach 20 Before Ocean Crash, DARPA Says. ... Despite the problem, the aircraft reached speeds around Mach 20 (about 15,000 mph) and was able to control its flight for several minutes, officials said.

What is the fastest mach speed ever recorded?

It's Official.

Guinness World Records recognized NASA's X-43A scramjet with a new world speed record for a jet-powered aircraft - Mach 9.6, or nearly 7,000 mph. The X-43A set the new mark and broke its own world record on its third and final flight on Nov. 16, 2004.

How Fast Is Koro Sensei in Mach?

Superhuman speed: Korosensei can travel up to the speed of Mach 20.