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.
Belle Fourche is a city in and the county seat of Butte County, South Dakota, United States. The population was 4,565 at the 2000 census. Belle Fourche is the site of the geographic center of the fifty United States. (Lebanon, Kansas claims the title for the 48 contiguous states.)