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.
Denhoff is an unincorporated community in central Sheridan County, North Dakota, United States. It lies along North Dakota Highway 200 east of the city of McClusky, the county seat of Sheridan County. Its elevation is 2,031 feet (619 m). Although it is unincorporated, it has a post office, with the ZIP code of 58430.