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.
Yarmouth is a town in Cumberland County, Maine, United States, located approximately ten to fifteen miles north of Portland, the state's largest city. Its population was 8,360 at the 2000 census. Yarmouth is part of the Portland–South Portland-Biddeford Metropolitan Statistical Area.