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by Denise McKeon on June 3rd, 2004

Denise McKeon

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What is the fastest speed recorded for a jet plane?

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  • by Charles Varvaro on July 30th, 2004

    Charles Varvaro

    Like the X-5, by most definitions the X-43 using a "scramjet" and being unmanned probably doesn't qualify in the typical sense as a jet plane. The X-43 achieved record breaking speeds for about 11 seconds whereas the SR-71 Blackbird cruises at near Mach 3. Also the weight of the X-43 was around 1.4 tons not 14 tons.

    See fastest aircraft at www.aviationtrivia.homestead.com

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  • by Fuzzzy on June 8th, 2004

    Fuzzzy

    NASA Jet Soars at Record Mach 7

    March 27, 2004 — NASA retired a 40-year-old speed record on Saturday with the successful flight of the world's first airplane that integrates an air-breathing engine into its frame.

    After a lift into the skies beneath the wing of a modified B-52 bomber and a supersonic boost to 95,000 feet from a Pegasus rocket, the unpiloted experimental aircraft reached a speed more than seven times the speed of sound, shattering the Mach 3.2 record that an SR-71 Blackbird spy plane set four decades ago. The test took place shortly before 5 p.m. ET Saturday off the southern California coast.

    The X-43, a wedge-shaped craft that measures about 12 feet in length and weighs about 14 tons, is a scramjet, an acronym for supersonic-combustion ramjet. During flight, the flow of air through a scramjet engine remains supersonic to optimize engine efficiency and increase vehicle speed.

    NASA's ultimate goal is to fly at Mach 10, but during Saturday's test, the prototype X-43 aircraft reached slightly more than Mach 7.

    [ Source: http://dsc.discovery.com/news/briefs/20040322/speed.html ]

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  • by O_hare on September 4th, 2006

    O_hare

    The Lockheed SR-71 Blackbird is, to date, the fastest airplane ever to streak across the sky, even though it's more than 30 years old. Able of speeds over 2200 miles per hour -- that's more than three times the speed of sound -- the SR-71 can fly at altitudes above 80,000 feet.

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  • by Maddona on August 23rd, 2010

    Maddona

    The Apollo 10 craft reached Mach 37.6 upon re-entry;
    the Helios satellite obriting the sun travels at Mach 227.3.
    Keep in mind these are spacecraft and not aircraft.

    Fastest Plane in the World

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