Q:

What are some of the top speeds that the SR-71 Blackbird has reached?

A:

Quick Answer

The fastest known speed of the Lockheed SR-71 Blackbird is 2,193.2 miles per hour, which was recorded in 1976, reports Digital Trends. One SR-71 pilot claims he reached a speed of Mach 3.5 or more than 2,600 miles per hour.

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Full Answer

The SR-71 entered service in 1966 and continued in operation until 1998. It remains the fastest piloted aircraft in history, as of 2015. In September 1974, the SR-71 set a record by flying from New York to London in one hour 54 minutes and set another record later in September 1974 by averaging more than 1,400 miles per hour in a flight from Los Angeles to London. This plane and the Concorde are the only aircraft known to have operated faster than the speed of sound for several hours at a time.

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