Expected primary specifications Crew, personnel.....1-2 Passengers, personnel.....12-13 Engines.....VK-800V TO power of engines, hp.....2x800 TO weight, kg with internal loads.....4,500 with slung loads.....4,700 Max payload, kg internal.....1,500 external.....1,800 Speeds, km/h max.....285 cruising.....260 Hovering ceiling,m.....3,500 Service ceiling,m.....6,000 Range of flight,km.....700 Dimensions (length, height, width),m cargo cabin.....2,9x1,46x2,04 luggage compartment.....1,3x1,5x1 Main rotor diameters,m.....13,5