United Airlines Flight 173 crashes in Oregon in 1978, Airborne Transport DC-3 disappears enroute to Miami in 1948 and Israeli commandos launch a surprise attack on Beirut Airport in 1968.
Today in 1910, air-to-ground radio transmission is born; 1913, the first loop-the-loop maneuver is performed; in 1939, the jet age begins with the first flight of the Heinkel 178; 2006, Comair 5191 crashes in Lexington, Kentucky.