Helicopters Kamov Ka-25: Specifications: Nation: Russia; Manufacturer: Kamov; Year: 1961; Type: ASW helicopter; Engine: Two 671-kW (900-shp) Glushenkov GTD-3F turboshafts Rotor Diameter: 15.74 m Lenght: 9.75 m Height: 5.37 m Empty Weight: 4,765 kg Max Takeoff Weight: 7,500 kg Max Speed: 113 kt Range: 400 km Armament: E45-75A torp or B-1 DC. Nuclear DB; B and C are unarmed User Countries: Bulgaria, India, Russia, Syria, Ukraine, Vietnam