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
Sun Country Airlines full pay was restored to all employees. Employees were also promised back-pay with interest. In July 2011, Sun Country Airlines was purchased out of bankruptcy for $34 million by the Davis family, owners of Cambria, a Minnesota-based countertop company. Marty Davis, CEO of Cambria, became Chairman of Sun Country Airlines. In 2015, the board hired Zarir Erani as President and CEO of Sun Country. The airline had a net income of $27 million in 2015, followed by a 41% drop to $16 million in 2016. In July 2017, after more than a year of missed monthly earnings projections, Davis replaced