Berlin Tegel Airport provided the impetus for Dan-Air to take over the failed carrier's charter contracts and to expand its own operations at Tegel. Dan-Air, one of Britain's foremost wholly private, independent airlines during the 1970s and 80s, eventually became the third-biggest operator at Tegel Airport, ahead of Air France. In addition to firmly establishing itself as the airport's and West Berlin's leading charter airline, it also operated scheduled services linking Tegel with Amsterdam Schiphol, Saarbrücken and London–Gatwick, its main operating base. By the time that airline was taken over by British Airways at the end of October 1992, it had served Tegel
Detroit Metropolitan Airport the county expanded the airport to become Detroit's primary airport. It renamed the facility Detroit-Wayne Major Airport in 1947, and in the next three years expanded threefold as three more runways were built. In 1949, the airport added runways 3L/21R and 9L/27R, followed by runway 4R/22L in 1950. In 1946–47, most airline traffic moved from the cramped Detroit City Airport (now Coleman Young International Airport) northeast of downtown Detroit to the larger Willow Run Airport over west of the city, and west of Wayne County Airport. Pan-Am (1954) and BOAC (1956) were the first passenger airlines at Detroit-Wayne Major. In