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.
Brookfield (formerly Grossdale) is a village in Cook County, Illinois, 13 miles (21 km) west of Chicago. The population was 19,085 at the 2000 census. It is home to the world-famous Brookfield Zoo.