Federal investigators said a pilot error likely caused a medical plane to crash in North Dakota, killing all three people on board.
The National Transportation Safety Board’s final report attributed the Bismarck Aviation Medical crash in Morton County to “the pilot’s failure to maintain control of the aircraft in dark night conditions.” The Bismarck Tribune said this resulted in “the failure of the positive overload during the flight and the collapse of the aircraft later in the flight.
Bismarck Aviation Medical Pilot Todd Lasky, metro area paramedic Chris Iverson and CHI St. Alexius Health Bonnie Cook in the accident.
They were heading from Bismarck to Williston to pick up a patient when “the Cessna 441 collapsed in the course of the flight,” according to a preliminary NTSB report. The plane was destroyed.
The plane had climbed to 14,000 feet (4,267 meters) before entering a right-turn downhill and descending 7,800 feet (2,377 meters) in about 40 seconds on the night of November 18, 2018. The debris fell into a snow-covered field northwest of Harmon. Lake.