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 V-1000 on the overall project. Construction of the prototype was performed at Vickers' facility at Wisley Airfield, Surrey; flight trials would have also been based there. By November 1956, over £4 million had been spent on the V-1000 project; the first prototype had also reached 80 per cent completion. It had been estimated that the VC7 would have been in operational service as early as 1959, the same year in which the first V-1000s were projected to be delivered to the RAF. If it had entered commercial service as envisioned, it would have been the first turbofan-equipped airliner to serve long-haul