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
Vickers-Armstrongs company produced the Wellesley, designed by Rex Pierson using the geodetic airframe principle of structural engineer Barnes Wallis. This would later evolve into the famous Wellington bomber, a mainstay of RAF Bomber Command and RAF Coastal Command during World War II. The Cold War-era Valiant V bomber was another Vickers product. Military aircraft with the Vickers brand: Vickers also competed for contracts with designs such as: Vickers was a pioneer in producing airliners, early examples being converted from Vimy bombers. Post-WWII, Vickers went on to manufacture the piston-engined Vickers VC.1 Viking airliner, the Viscount and Vanguard turboprop airliners and (as