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.
Powderville is an unincorporated community in northeastern Powder River County, Montana, United States, along the Powder River. It lies along local roads northeast of the town of Broadus, the county seat of Powder River County. Its elevation is 2,828 feet (862 m), and it is located at 45°45′32″N 105°6′55″W / 45.75889°N 105.11528°W / 45.75889; -105.11528 (45.7588870, -105.1152542). Although Powderville is unincorporated, it has a post office, with the ZIP code of 59345.