The Curtiss Warhawk (P-40) was a series of American single-seat fighter and fighter-bomber aircraft of the Second World War. Production started in 1939 and from then until December 1944, when the Warhawk was withdrawn from production it was the subject of continuous development and served in the air forces of the Allies in practically every theatre of the war. Warhawks were used by twenty-eight Allied and friendly nations. In Britain, the early model Warhawks were known as the Tomahawk and the later models, Kittyhawk. The maximum speed of the P-40F (middle of the series) version was a top speed of 582 kmh and a normal range of 976 km and a maximum range of 1920 km when fitted with auxiliary fuel tanks. Research P-40 More pictures of P-40