Sabena airliners which were augmented and later replaced by Douglas DC-6Bs. The DC-4s also restarted the airline's traditional route to the Belgian Congo. Sabena was the first airline to introduce transatlantic schedules from the north of England, when one of its DC-6Bs inaugurated the Brussels-Manchester-New York route on 28 October 1953. The Convair 240 was introduced in 1949 to partially replace the DC-3s that until then had flown most European services. As of 1956, improved Convair 440 "Metropolitan" twins began replacing the Convair 240 twins and were used successfully well into the 1960s between European regional destinations. In 1957, the long-range
Business class airline effort to financially survive before being shut down as an individually certificated independent airline by its new Republic Airways Holdings owners Of major, flag, legacy, national, network, mainline or non-mainline airline carriers. Business class airline A business class airline was an airline concept which emerged during the mid-first decade of the 21st century involving a number of airlines that operated all-business class service. Currently, only one all business class airline, La Compagnie, which was founded in 2013, provides an all business class service between Charles de Gaulle Airport in Paris and Newark Liberty International Airport. Service is currently provided using