Multiple choice general knowledge science & technology world fastest plane ? sr 71 boing fpw 816 an-225 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Lockheed SR-71 'Blackbird' remains the fastest air-breathing manned aircraft in history, capable of speeds exceeding Mach 3.2. The An-225 is the largest cargo plane, and 'boing' (Boeing) is a manufacturer, not a specific plane model.