Communications with the KTUL tower were reportedly normal, with the last acknowledgment from the pilot that the airplane was cleared to six-thousand feet. There were no emergency or distress calls from the pilot, identified as Dr. Ronald Marshall of Manhattan.
KRMG is reporting a review of radar information had the airplane tracking northward, in a shallow climb. The airplane reached 41-hundred feet before a descending, right turn on the radar was observed. During the turn, the airplane disappeared from the radar.
Killed in the crash were Dr. Marshall and Chris Gruber, both of Manhattan.