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.
Winkelman is a town in Gila and Pinal counties in the U.S. state of Arizona. According to 2006 Census Bureau estimates, the population of the town was 444, almost all of whom lived in Gila County.