British Caledonian in the 1970s 31 March 1973 - with the BR airline designator it had inherited from BUA at the time of its formation. This resulted in exclusive use of the BR designator as a prefix for all BCal flight numbers. In 1973, BCal also inaugurated its fourth scheduled domestic trunk route between London Gatwick and Manchester. The new service was contracted to British Island Airways (BIA), BUIA's successor, which operated two daily return trips using its Handley Page Dart Herald turboprops. On 20 March 1974, BCal switched its Gatwick—Paris services to the then brand-new Charles de Gaulle Airport in the northern Paris suburb
Transport in Paris A yet larger airport to the south of the Capital, Orly Airport, began welcoming flights from 1945, and yet another airport to the north of the City, Roissy-Charles-de-Gaulle, opened its gates from 1974. Today the former airfields of Issy-les-Moulineaux have become a Heliport annex of Paris, and Le Bourget an airfield reserved for smaller aircraft. Roissy-Charles-de-Gaulle takes the majority of international flights to and from Paris, and Orly is a host to mostly domestic and European airline companies. In addition, a few low-cost carrier airlines, notably Ryanair and Wizz Air, offer flights to Beauvais–Tillé Airport and Châlons Vatry Airport, while