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InfiniteAnswers
InfiniteAnswers asked in Science & MathematicsAstronomy & Space · 2 decades ago

what is the fastest aircraft? and what is its speed?

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  • Anonymous
    2 decades ago
    Favorite Answer

    X-45(unmanned)Mach 9.8

    X-15 Mach 6.72

    Sr-71 Mach 3.2+

    Source(s): http://www.globalaircraft.org/top50.htm
  • sw4_1994
    2 decades ago

    The fastest aircraft is the SR-71 Blackbird with an excess speed of Mach 3

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