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.
Derby Line is an incorporated village in the town of Derby in Orleans County, Vermont, United States. The population was 776 at the 2000 census. The village is located on the Canada-United States border and is contiguous with the district of Rock Island in the town of Stanstead, Quebec. Notable buildings include the Haskell Free Library and Opera House.