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The two most produced biplane designs were the 1913 British Avro 504 of which 11,303 were built, and the 1928 Soviet Polikarpov Po-2 of which over 20,000 were built, with the Po-2 being the direct replacement for the Soviet copy of the Avro 504. Both were widely used as trainers. The Antonov An-2 was very successful too, with more than 18,000 ...
Most nations used obsolete combat types for advanced training, although large scale training programs such as the British Commonwealth Air Training Plan (BCATP) required more aircraft than were available and aircraft were designed and built specifically to fulfill training roles. Intermediate trainers were used in several countries but ...
To conceal the true military intentions, the aircraft was officially a civil aircraft. The He 59B landplane prototype was the first to fly, an event that took place in September 1931, [ 2 ] but it was the He 59A floatplane prototype that paved the way for the He 59B initial production model, of which 142 were delivered in three variants.
Aircraft Manufacturer Type Role Entered Service Number in Service Consolidated PBY-5A Catalina [3]: Consolidated Aircraft: Amphibious flying boat: Various 1941 114
The areas of the world covered by commercial air routes in 1925. Sometimes dubbed the Golden Age of Aviation, [1] the period in the history of aviation between the end of World War I (1918) and the beginning of World War II (1939) was characterised by a progressive change from the slow wood-and-fabric biplanes of World War I to fast, streamlined metal monoplanes, creating a revolution in both ...
Military gliders such as the British Airspeed Horsa and specialised tugs such as the German Heinkel He 111Z were developed by a number of countries during World War II, for landing assault troops and equipment behind enemy lines. These gliders were characterised by a steep gliding angle and short landing run, allowing a short time in the air ...
The better known F4F Wildcat of World War II was a monoplane development of an improved F3F biplane design. This XF4F-3 prototype clearly shows the family lines.. The first production F3F-1 (BuNo 0211) was delivered on 29 January 1936 to the test group at Naval Air Station Anacostia, with squadron service beginning in March to VF-5B of Ranger and VF-6B of Saratoga.
Later monoplanes were included in the "D", "C" or "CL" classes, with equivalent biplanes. B Originally all biplanes. Not connected to any official specification, apart from the wing layout. In practice, later types in the "B" class were all low powered unarmed two-seaters, mostly used for training and other second line duties. C