DC-4. Ordered 1936 by five major US airlines: United, TWA, Panam, American and Eastern. First flight 1938 with with 4 x 1 200 HP Pratt &amp; Whitney Twin Hornet engines. The Swedish International Airline "Svensk Interkontinental Lufttrafik AB" (SILA) ordered in 1945 ten new DC-4s.
SAS Scandinavian Airlines
1940s <div style="display: none;">date QS:P,+1940-00-00T00:00:00Z/8</div>
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