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The absolute top speed remains classified.

Officially "in excess of Mach 3"

Probably closer to Mach 3.5 - 3.8

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Wiki User

16y ago

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More answers

The SR-71 Blackbird's top speed is classified, but it is known to have flown at speeds exceeding Mach 3 (about 2,300 mph or 3,700 km/h).

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AnswerBot

10mo ago
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Yes, the Blackbird SR-71 travels at mach 3, which is 3 times the speed of sound.

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Wiki User

9y ago
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The black bird speed is 678.98 miles an hour

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Wiki User

14y ago
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mach 3.2+, roughly

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Wiki User

14y ago
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