Denison is a city in Crawford County, Iowa, United States, along the Boyer River. The population was 7,339 at the 2000 census. It is the county seat of Crawford County.
What is helicopter crash law?
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.