 In the early fifties, the airline expanded, acquiring a number of Douglas DC-3s, including two prewar-built examples.This expansion was to operate seasonal tourist charters and build-up a network of summer scheduled services from Liverpool including flights to continental European destinations including Lourdes and Biarritz.In 1957 the airline purchased the larger four-engined Douglas DC-4 with four further examples being acquired between March 1960 and January 1963.