MIG 3 Mikoyan-Gurevich MiG-3 Микоян и Гуревич МиГ-3

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The Mikoyan-Gurevich MiG-3 (Russian: Микоян и Гуревич МиГ-3) was a Soviet fighter aircraft used during World War II. It was a development of the MiG-1 by the OKO (opytno-konstrooktorskiy otdel — Experimental Design Department) of Zavod (Factory) No. 1 to remedy problems that had been found during the MiG-1's development and operations. It replaced the MiG-1 on the production line at Factory No. 1 on 20 December 1940 and was built in large numbers during 1941 before Factory No. 1 was converted to build the Ilyushin Il-2.

On 22 June 1941 at the beginning of Operation Barbarossa, some 981 were in service with the VVS, the PVO and Naval Aviation. The MiG-3 was difficult to fly in peacetime and much more so in combat. It had been designed for high-altitude combat but combat over the Eastern Front was generally at lower altitudes where it was inferior to the German Messerschmitt Bf 109 as well as most modern Soviet fighters. It was also pressed into service as a fighter-bomber during the autumn of 1941 but it was equally unsuited for this. Over time the survivors were concentrated in the PVO, where its disadvantages mattered less, the last being withdrawn from service before the end of the war.

The MiG-3's top speed of 640 km/h (398 mph) at 7,200 metres (23,622 ft) was faster than the 615 km/h (382 mph) of the German Messerschmitt Bf 109F-2 in service at the beginning of 1941 and the British Supermarine Spitfire V's 603 km/h (375 mph). At lower altitudes the MiG's speed advantage disappeared as its maximum speed at sea level was only 505 km/h (314 mph) while the Bf 109F-2 could do 515 km/h (320 mph).