The Kamov Ka-50 Black Shark (NATO reporting name: "Hokum A") is a single-seat Russian attack helicopter with the distinctive coaxial rotor system of the Kamov design bureau. It was designed in the 1980s and adopted for service in the Russian army in 1995. The Ka-50 is unique as an attack helicopter, in that it is the world's first and only single seat attack helicopter, the first coaxial attack helicopter, and the first attack helicopter with zero-zero ejection seat.(www.wikipedia.org)
