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.
Twin Oaks is a census-designated place (CDP) in Delaware County, Oklahoma, United States. The population was 186 at the 2000 census. A tornado hit the town on March 12, 2006, destroying 36 homes and damaging 31 other. 8 people were injured.