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.
Ottawa is a city located on the Illinois River, in LaSalle County, Illinois, USA. As of the 2000 census, the city population was 18,307. It is the county seat of LaSalle County and it is part of the Ottawa-Streator Micropolitan Statistical Area, which was the 259th-most populous area in the United States in 2007.