History of Cubana de Aviación of its fleet, opting to replace its long-range piston-prop Super Constellations with turboprop aircraft, and to expand its existing Vickers Viscount turboprop fleet in the immediate future. Cubana placed orders for four long-range Bristol Britannia (Model 318) and four Vickers Super Viscount (VV-818) aircraft, all turboprops, for its international services (which included Madrid, New York, Mexico City, Miami, Montego Bay, Nassau, Port-au-Prince), and for some of its domestic routes (Camagüey, Santiago de Cuba, Varadero). The first Bristol Britannia (CU-T668) was delivered in late 1958, and was placed in service in the airline's New York route. The new Britannias and Super
Fixed-wing aircraft went into service with the German Luftwaffe and later in the war the British Gloster Meteor entered service but never saw action — top airspeeds of aircraft for that era went as high as 1,130 km/h (702 mph), with the early July 1944 unofficial record flight of the German Me 163B V18 rocket fighter prototype. In October 1947, the Bell X-1 was the first aircraft to exceed the speed of sound. In 1948–49, aircraft transported supplies during the Berlin Blockade. New aircraft types, such as the B-52, were produced during the Cold War. The first jet airliner, the de Havilland