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
Air Zaïre utilise its traffic rights and operate international flights. Sabena, which was partnered with Swissair and South African investors, and was initially offered a controlling 51% stake, purchased a 49.5% stake for a reported BFr100 million; the government would hold the controlling 50.5% stake. The airline was reorganised into Lignes Aériennes Congolaises, which began flights in 1997. Air Zaïre Air Zaïre was the national airline of Zaire. Its head office was located on the grounds of N'djili Airport in Kinshasa. "Air Congo" was originally formed in June 1961 as the national airline of the Congolese Republic, with Sabena providing both technical