The Citation X truly is the fastest mid-sized business jet available.  It regularly cruises at .90 mach.  It can fly from Los Angeles to New   York in less than five hours, or from Pittsburg  to San Diego in  four hours flat.

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The Citation X truly merits all of the excitement and hype it has garnered. It is a versatile jet that can efficiently handle both short trips and international flights, and is unmatched in speed, efficiency and reliability. It isn’t without good reason that Cessna calls the Citation X the “fastest, most efficient business jet ever built.”