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.
Nanjemoy is a large rural area in Charles County, Maryland, United States more or less bounded by the Nanjemoy Creek and the Potomac River. It shares its name with a Native American tribe. Nanjemoy houses the largest great blue heron rookery in the east north of Florida. A radio astronomical observatory is located near the Potomac River; it used to be operated by the U.S. Naval Research Laboratory but was later transferred to the Nanjemoy Creek Environmental Education Center. The county government maintains a large community center building in the village center which offers many services for a diverse population. There are also two children's camps and a sheriffs' training facility. Famous people born in Nanjemoy include Raphael Semmes, captain of the Confederate battleship "Alabama", and Matthew Henson, who with Robert Peary discovered the North Pole.