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.
Gretna is a city in Sarpy County, Nebraska, United States. The population was 2,355 at the 2000 census. Gretna has the fastest rate of growth of any Nebraska city since 2000.