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.
Avery Island is a salt dome located in Iberia Parish, Louisiana, United States, about three miles (5 km) inland from Vermilion Bay, which in turn opens onto the Gulf of Mexico. A small human population resides on the island.