What happened
During a period of intense thunderstorm activity, the De Havilland Canada DHC-2 Beaver was observed exiting a cloud formation in a sharp, steep descent. Shortly after this maneuver, the aircraft's wing structure failed, leading to the impact. The accident resulted in fatalities (count not specified in source).
Findings
Investigations into the crash suggest that the aircraft encountered significant turbulence or aerodynamic forces during the storm. It is believed that the plane experienced unintended negative G-loads while flying through the thunderstorm. This sudden force caused a bolt in the lower wing strut to shear, which compromised the structural integrity and bracing of the wing. Records indicate that other aircraft within the US Military Behavier fleet had been involved in similar fatal incidents under comparable weather conditions.