Berlin Brandenburg Airport surrounding the three existing airports — Tegel, Schönefeld and Tempelhof. Therefore, it was mandatory for Tegel and Schönefeld to close (Tempelhof was already decommissioned in 2008) once Berlin's air traffic is concentrated at the new airport. By 2009 the construction cost was budgeted at €2.83 billion. FBB raised the financing for the project by a credit raising of €2.4 billion, a bank deposit of €430 million by the FBB partners and an additional €440 million of equity capital provided by FBB. During construction, it became clear that the airport would become significantly more expensive due to underestimating the actual costs,
Berlin Tegel Airport the airport's north side. Following the transfer of all charter traffic to Tegel, British Eagle, Dan-Air Services, Invicta International Airlines, Laker Airways and Modern Air Transport began stationing several of their jets at the airport. While British Eagle's and Invicta's presence at Tegel lasted only for the 1968 summer season, Dan-Air, Laker Airways and Modern Air were present at the airport for a number of years. In March 1971, Channel Airways began stationing aircraft at Tegel as well; however, its presence at the airport lasted only until the end of that year's summer season. Channel Airways's collapse in early 1972