Shortly after takeoff Departing , and at an altitude of five hundred feet above ground level ( AGL ) , the aircraft began Process_start a short turn Motion to the left , lost Earnings_and_losses altitude rapidly , and descended Motion_directional almost to the ground .

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 .