1924: KEY EVENT–FIRST AROUND-THE-WORLD FLIGHT/MACKAY TROPHY. Four Army Douglas Biplanes take off from Seattle on the first global flight. Only two crews complete the 26,345-mile flight after 363 hours flying time in an elapsed time of 175 days.
1924: KEY EVENT–FIRST AROUND-THE-WORLD FLIGHT/MACKAY TROPHY. Four Army Douglas Biplanes take off from Seattle on the first global flight. Only two crews complete the 26,345-mile flight after 363 hours flying time in an elapsed time of 175 days.