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
TAE Greek National Airlines TAE Greek National Airlines TAE Greek National Airlines (, , literally "Technical and Aeronautical Holdings—National Air Lines"), originally branded in English as "TAE National Greek Airlines", was formed by the Greek government in 1951 to be the national airline of Greece. The airline operated without competition on domestic routes in Greece and served a small number of European and Middle Eastern cities. The airline was sold to Aristotle Onassis in 1957 and he renamed the carrier Olympic Airways. In the post-World War II era, there were four airlines operating in Greece: Of these, T.A.E., Air Transport of Greece and Daedalus