What is the fastest air vehicle?

Answer 1

X-43 is the fastest going Mach 9.5. However, it does not have a person inside, and it government funded (Don't know if that counts as military).

The fastest plane made by a private builder is the Tupolev Tu-144 going Mach 2.35 (1,550 mph)

Answer 2

The fastest air vehicle is the Lockheed SR-71 Blackbird, which holds the record for the fastest air-breathing manned aircraft, reaching speeds of over Mach 3 (three times the speed of sound).

Answer 3

The North American X-15 is the fastest plane in the world. :))

Answer 4

SR71 blackbird

Answer 5

SR-71 "Blackbird"