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.
Chaseley is an unincorporated community in southwestern Wells County, North Dakota, United States. It lies along North Dakota Highway 200 southwest of the city of Fessenden, the county seat of Wells County. Its elevation is 1,867 feet (569 m). Although it is unincorporated, it has a post office, with the ZIP code of 58423.