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
Kayala Airline served: The Kayala Airline fleet consisted of the following aircraft (at February 2008):Aviation All aircraft were operated by National Air Services. After operations ceased, the aircraft were stored. Kayala Airline Kayala Airline (previously called Al Khayala) was an airline based in Jeddah, Saudi Arabia. Kayala was a privately owned premium class airline operating domestic and international scheduled as well as charter services. Its main base was King Abdulaziz International Airport, Jeddah, with a hub at King Khalid International Airport, Riyadh. The airline started operations on 16 July 2005 and was wholly owned by Saudi aviation company National Air Services. Until