Air Speed Record
An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI),[1] which also ratifies any claims. Speed records are divided into multiple classes with sub-divisions. There are three classes of aircraft: landplanes, seaplanes, and amphibians; then within these classes, there are records for aircraft in a number of weight categories. There are still further sub-divisions for piston-engined, turbojet, turboprop, and rocket-engined aircraft. Within each of these groups, records are defined for speed over a straight courThe Lockheed SR-71 Blackbird holds the official Air Speed Record for a manned airbreathing jet aircraft with a speed of 3,530 km/h (2,193 mph). It was capable of taking off and landing unassisted on conventional runways. The record was set on 28 July 1976 by Eldon W. Joersz and George T. Morgan Jr. near Beale Air Force Base,California, US.[42]se and for closed circuits of various sizes carrying various payloads.
Although the official record for fastest piston-engined aeroplane in level flight is held by a Grumman F8F Bearcat, the Rare Bear, with a speed of 528.31 mph (850.24 km/h), the unofficial record for fastest piston-engined aeroplane in level flight is a held by a British Hawker Sea Fury at 547 mph (880 km/h). Whereas these were both demilitarised, modified fighters, the fastest piston-engined aeroplane in stock (original, factory-built) condition was the German Dornier Do 335 Pfeil, with a maximum speed of 474 mph (765 km/h) in level flight. The unofficial record for fastest piston-engined aeroplane (not in level flight) is held by a Supermarine Spitfire Mk IXX, which was calculated to have achieved a speed of 690 mph (1,110 km/h, Mach 0.96) in a dive on 5 February 1952.
An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI),[1] which also ratifies any claims. Speed records are divided into multiple classes with sub-divisions. There are three classes of aircraft: landplanes, seaplanes, and amphibians; then within these classes, there are records for aircraft in a number of weight categories. There are still further sub-divisions for piston-engined, turbojet, turboprop, and rocket-engined aircraft. Within each of these groups, records are defined for speed over a straight courThe Lockheed SR-71 Blackbird holds the official Air Speed Record for a manned airbreathing jet aircraft with a speed of 3,530 km/h (2,193 mph). It was capable of taking off and landing unassisted on conventional runways. The record was set on 28 July 1976 by Eldon W. Joersz and George T. Morgan Jr. near Beale Air Force Base,California, US.[42]se and for closed circuits of various sizes carrying various payloads.
Although the official record for fastest piston-engined aeroplane in level flight is held by a Grumman F8F Bearcat, the Rare Bear, with a speed of 528.31 mph (850.24 km/h), the unofficial record for fastest piston-engined aeroplane in level flight is a held by a British Hawker Sea Fury at 547 mph (880 km/h). Whereas these were both demilitarised, modified fighters, the fastest piston-engined aeroplane in stock (original, factory-built) condition was the German Dornier Do 335 Pfeil, with a maximum speed of 474 mph (765 km/h) in level flight. The unofficial record for fastest piston-engined aeroplane (not in level flight) is held by a Supermarine Spitfire Mk IXX, which was calculated to have achieved a speed of 690 mph (1,110 km/h, Mach 0.96) in a dive on 5 February 1952.
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