The Ka-27, also known as the Kamov Ka-27, is a Russian naval helicopter designed for anti-submarine warfare and search-and-rescue missions. It features a distinctive co-axial rotor system, which allows for better stability and maneuverability. The helicopter can carry various sensors and weapons, making it effective in maritime operations. First introduced in the 1970s, the Ka-27 has been used by several countries and has undergone various upgrades over the years. Its versatility and robust design have made it a valuable asset for naval forces, including the Russian Navy and other international operators.