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.
Norwalk is a city in Polk and Warren counties in the U.S. state of Iowa. The population was 6,884 at the 2000 census. The city is part of the Des Moines–West Des Moines Metropolitan Statistical Area and is located just south of the Des Moines International Airport. It is the hometown of actors Brandon Routh, star of the film Superman Returns, and Jason Momoa, star of the television show Stargate: Atlantis.