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
Narvik Airport, Framnes a lot which was owned by LKAB. The municipal council approved in July 1971 plans to build a short take-off and landing airport at Framneslia, based on a thirteen-year free lease of the land. Government permission for a general aviation airport was issued in early 1972 and technical approval from the Civil Aviation Administration was granted in August. Harstad/Narvik Airport, Evenes opened on 30 June 1973. At first Framnes only served general aviation, but in late 1974 Parliament approved that the airport be used for subsidized regional aviation. The airport started with scheduled traffic on 1 October 1975. The original