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
Berlin Brandenburg Airport into operation on 16 March 2018. The U-shaped terminal building of Berlin Brandenburg Airport was designed by gmp architects. They are the same company which designed the hexagonal Terminal A at Tegel Airport which opened in 1974. At BER the terminal sits between the two runways, creating a so-called "midfield airport" above the underground train station. The terminal has four public levels designated 0, 1, 2 and 3. The check-in area is located in the public area at Level 1 and houses 118 counters organised in eight clusters, called "check-in isles". Planners anticipate that a significant number of passengers will