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) 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. It added scheduled passenger service on December 16, 2015, from its hub at Orlando-Sanford International Airport, Orlando. The airline was established in 1985 and started operations in December 1986. It began with Mitsubishi MU-2 aircraft, which it developed for cargo use. In April 2005, Murray Air and its sister company, Murray Aviation, merged operations under Murray Air’s newly acquired Part 121 certificate. In December 2008, after the airline was acquired by National Air