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.
Dennis is a town in Barnstable County, Massachusetts, United States. The population was 15,973 at the 2000 census. For geographic and demographic information on specific parts of the town of Dennis, please see the articles on Dennis (CDP), Dennis Port, East Dennis, South Dennis, and West Dennis.