What happened
During a return trip from a private engagement at Lakeside, Montana, an aircraft was operating near the site of a recent performance. The flight was being conducted by a pilot who had borrowed the plane to transport members of a musical group back toward the Kalispell area. Shortly after departing, the aircraft was observed flying at a very low altitude in the vicinity of the performance location.
Witnesses reported that the aircraft entered into an abrupt climb and subsequently performed a maneuver resembling a wingover or a hammerhead stall, which caused the plane to reverse direction. During this sequence, the aircraft entered a dive from which it failed to recover, ultimately impacting wooded terrain. Observers noted that the engines appeared to be functioning normally prior to the impact.
Findings
The accident resulted in 10 fatalities, including seven members of the musical group and their manager. Investigations into the crash identified several contributing factors related to the pilot's actions during the flight phase of maneuvering. The investigation concluded that the pilot engaged in unauthorized aerobatics and an ostentatious display of skill, which included performing low-altitude maneuvers such as buzzing. The findings highlighted poor judgment and a failure to maintain proper altitude, driven by overconfidence in both the pilot's personal abilities and the capabilities of the aircraft.