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The Lockheed SR-71 Blackbird holds the official Air Speed Record for a crewed airbreathing jet engine aircraft with a speed of 3,530 km/h (2,190 mph). The record was set on 28 July 1976 by Eldon W. Joersz and George T. Morgan Jr. near Beale Air Force Base, California, USA.
Maximum landing gear extended speed. This is the maximum speed at which a retractable gear aircraft should be flown with the landing gear extended. [7] [8] [9] [20] V LO: Maximum landing gear operating speed. This is the maximum speed at which the landing gear on a retractable gear aircraft should be extended or retracted. [7] [9] [20] V LOF ...
These four speed records were accepted by the National Aeronautic Association (NAA), the recognized body for aviation records in the United States. [180] Additionally, Air & Space/Smithsonian reported that the USAF clocked the SR-71 at one point in its flight reaching 2,242.48 miles per hour (3,608.92 km/h). [181]
It reached its maximum speed of 4,520 miles per hour (7,274 km/h) in October 1967 with pilot William "Pete" Knight of the U.S. Air Force in control. Five principal aircraft were used during the X-15 program: three X-15 planes and two modified "nonstandard" NB-52 bombers: X-15-1 – 56-6670, 81 free flights
The Guinness Book of World Records lists the Soviet Tupolev Tu-95 bomber and its derivatives (Tu-114 and Tu-142) as "the fastest propeller-driven aircraft in standard production form", with a maximum cruise speed of 925 km/h (575 mph; 499 kn) or Mach 0.82.
Concorde had a maximum cruising altitude of 18,300 metres (60,000 ft) and an average cruise speed of Mach 2.02 (2,150 km/h; 1,330 mph), more than twice the speed of conventional aircraft. [ 130 ]
Airliner and transport aircraft: National origin: United States: Manufacturer: Douglas Aircraft Company: ... Maximum speed: 223 kn (257 mph, 413 km/h) at 8,500 ft ...
Airspeed is commonly given in knots (kn). Since 2010, the International Civil Aviation Organization (ICAO) recommends using kilometers per hour (km/h) for airspeed (and meters per second for wind speed on runways), but allows using the de facto standard of knots, and has no set date on when to stop.