What is the fastest jet a civilian can buy?

The fastest civil aircraft is the Cessna Citation X at Mach 0.935 or thereabouts. However there are a few ex- military aircraft that are faster with Thunder City Lightnings flying to Mach 2. You'll have to fly out over the ocean quite a bit to do the Mach 2.4 that the plane in theory is capable of, due to regulations.



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No airplane has ever gone this fast. The speediest airplane ever built is Lockheed's SR-71 Blackbird, which traveled at Mach 3.2. Anything above Mach 9 and you lose communications with the ground, as plasma starts enveloping the vehicle, as if it were a spacecraft returning to Earth through the upper atmosphere.

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Cost savings: Chartering a private jet is significantly more economical than buying your own plane. When you charter, you'll pay only for the flights you use, rather than for the entire purchase price of an aircraft that may spend much of its time sitting in the hangar.

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Number 1: North American X-15 This aircraft has the current world record for the fastest manned aircraft. Its maximum speed was Mach 6.70 (about 7,200 km/h) which it attained on the 3rd of October 1967 thanks to its pilot William J. “Pete” Knight.

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The final flight of the small X-43A research aircraft is targeted to sustain a speed of up to Mach 10, or 10 times the speed of sound (about 7,000 mph), powered by a revolutionary airframe-integrated supersonic-combustion ramjet or 'scramjet' engine.

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