The twin engine Boeing 247D , registration NC13315 , crashed Catastrophe shortly after 11:00 a.m. in adverse weather conditions .

The cause was attributed Causation to the adverse weather conditions , coupled Cause_to_amalgamate with the pilot ’ s decision to descend to a dangerously low altitude without positive knowledge of his position .

The adverse weather conditions caused Causation schools in some areas of the United Kingdom to close Process_end during 2 , 3 and 5 February in the Midlands .

In these adverse conditions the movement melted Change away , splitting Destroying into rival factions in Indiana .

The 2012 Gjørv Report Statement concluded Coming_to_believe that Norway 's police could have prevented Preventing_or_letting the bombing Attack and caught Breivik faster at Utøya , and that measures to prevent further attacks Attack and `` mitigate adverse effects Influence '' should have been implemented .

The signaller was unaware that the automatic warning Warning system , which warns Warning drivers of adverse signals , had been turned off Being_in_operation in the cab of the express Expressing_publicly , and had set Placing a route which would stop Preventing_or_letting the express and allow Preventing_or_letting the freight train to cross Motion_directional in front of it .

Among the findings contained Containing in the final investigation Criminal_investigation report Reporting was that the crew continued the approach Arriving in adverse Influence weather conditions beyond the point at which the approved Preventing_or_letting procedure would have required to abort Process_end the landing .

The potential adverse effect on the ANZUS alliance of not supporting the United States ( and Australia ) in Vietnam was key .