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
National Airlines (N8) one of the aircraft of National Airlines passenger operations (N176CA, a 757), alleging non-payment for services at the airport during operations there. This was quickly followed by an announcement by the airline that they are cancelling operations into Newfoundland and Labrador as of January 6, 2017, and are also cancelling the substantial majority of flights scheduled for that route between October and the end of service. A hearing on the claim is scheduled. National Airlines (N8) National Air Cargo, also operating as National Airlines, is an American airline based in Orlando, Florida. It operates on-demand cargo and passenger charter services.