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.
Hayes is an unincorporated community in Stanley County, South Dakota, United States. It is part of the Pierre, South Dakota Micropolitan Statistical Area. Although not tracked by the Census Bureau, Hayes has been assigned the ZIP code of 57537.