<item><hi format=bold>Rotor system:</hi> main rotor diameter 22.02 m (72 ft 3 in); tail rotor diameter 4.88 m (16 ft 0 in); main rotor disc area 378.1 m<su>2</su> (4,070 sq ft); tail rotor disc area 18.68 m<su>2</su> (201.06 sq ft)
<item><hi format=bold>Fuselage and tail:</hi> length overall, rotors turning 26.90 m (88 ft 3 in) and fuselage 20.47 m (67 ft 2 in) excluding refueling probe; height overall 7.60 m (24 ft 11 in) and to top of rotor hub 5.22 m (17 ft 1.5 in); wheel base 8.23 m (27 ft 0 in)
<item><hi format=bold>Powerplant:</hi> two General Electric T64-GE-7 rated at 2927 kW (3,925 shp)
<item><hi format=bold>Weights:</hi> empty 10690 kg (23,569 lb); mission take-off 17344 kg (38,238 lb); maximum take-off 19050 kg (42,000 lb)
<item><hi format=bold>Fuel and load:</hi> internal fuel 2384 liters (630 US gal); external fuel up to two 1703 liter (450 US gal) auxiliary jettisonable tanks
<item><hi format=bold>Speed:</hi> maximum level speed 'clean' at sea level 315 km/h (196 mph); cruising speed 278 km/h (173 mph)
<item><hi format=bold>Range:</hi> maximum range 868 km (540 miles) with maximum auxiliary fuel
<item><hi format=bold>Performance:</hi> maximum rate of climb at sea level 631 m (2,070 ft) per minute; service ceiling 6220 m (20,400 ft); hovering ceiling 3565 m (11,700 ft) in ground effect, 1980 m (6,500 out of ground effect)