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.
Kopperston (also Kopperstone) is an unincorporated community in Wyoming County, West Virginia, United States. Its elevation is 1,660 feet (506 m). Although Kopperston is unincorporated, it has a post office, with the ZIP code of 24854.