Northwest Airlines Flight 1 , registration NC17389 , was a Lockheed 14H Super Electra aircraft which crashed Catastrophe approximately ½ mile southwest of the Miles City , Montana , airport on January 13 , 1939 .

It then pulled Motion up into a sharp climb , reached Arriving about 500 feet AGL again , turned Motion left again and descended Motion_directional rapidly into a ravine approximately ½ mile southwest of the field .