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.
Waterproof is a town in Tensas Parish, Louisiana, United States with a population of 834 as of 2000 census. Waterproof is approximately seventeen miles north of Ferriday, one of the two principal communities of Concordia Parish. Poverty abounds in Waterproof, a delta town dependent on farming. Cotton is the most common crop, but corn and soybeans are also important. In 2008, drought destroyed much of the corn crop.