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.
Chilmark is a town located on Martha's Vineyard in Dukes County, Massachusetts, United States. The population was 843 at the 2000 census. The fishing village of Menemsha is located on the northern end of town along its border with the neighboring town of Aquinnah. In 2005 it was confirmed to have the highest average property value of any city or town in Massachusetts.