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.
Hecla is a city in Brown County, South Dakota, United States, located only a few miles south of the North Dakota border. The main road running through it is route 37. The population was 314 at the 2000 census.