Cases involving individuals who have been injured in crashes and collisions involving helicopters. A Helicopter Accident is an occurrence associated with the operation of an aircraft which takes place between the time any person boards the helicopter with the intention of flight and all such persons have disembarked, in which a person is fatally or seriously injured, the aircraft sustains damage or structural failure and/or the aircraft is missing or is completely inaccessible.
Walhalla is a city in Pembina County, North Dakota in the United States. It sits on the banks of the Pembina River, five miles (8 km) from the border with Canada. The population was 1,057 at the 2000 census. Walhalla was founded in 1871.