China
Z-10
China's medium attack helicopter — a tandem-seat, twin-engine design built around the indigenous WZ-9 turboshaft, fielded by the PLA since 2009 and exported as the Z-10ME.
China's purpose-built scout-attack helicopter — a light, Z-9-derived tandem-seat rotorcraft with mast-mounted radar that acts as the eyes and fangs partner to the heavier Z-10 in PLA Army Aviation.
China's medium attack helicopter — a tandem-seat, twin-engine design built around the indigenous WZ-9 turboshaft, fielded by the PLA since 2009 and exported as the Z-10ME.
The Mil Mi-24 Hind is a uniquely configured Soviet/Russian attack helicopter that combines a heavy gunship with an 8-troop transport compartment — the most combat-used rotary-wing type in history and still in production as the Mi-35M.