9K121 Vikhr Vikhr missiles. Type air-launched anti-tank missile Place of origin Russia Service history In service 1985 – present[1] Used by Russian Air Force[2] Egyptian Air Force[3][4] Production history Manufacturer KBP Instrument Design Bureau Unit cost Unknown Produced 1985 – present Specifications Weight 45 kg Length 2.80 m Diameter 130 mm Warhead 8-12 kg tandem HEAT charge, armor penetration behind ERA, 1,000 mm[5] Detonation mechanism Proximity and Impact Engine solid-fuel rocket Wingspan 380 mm Propellant solid fuel Operational range 10-12 km Speed 600m/s, Mach 1.8 Guidance system Laser beam riding Launch platform Helicopters Ka-50 Ka-52 Aircraft Su-25T/25TM Ships AK-630 Vikhr-K[6][7]