The Sikorsky CH-54 Tarhe is a twin-engine heavy lift helicopter designed by Sikorsky Aircraft for the United States Army. The helicopter is named after Tarhe (his nickname The Crane), an 18th century chief of the Wyandot Indian tribe. [1] The civilian version is the S-64 Skycrane.General characteristicsCrew: 3Payload: 20,000 lb (9,072 kg)Length: 88 ft 6 in (26.97 m)Rotor diameter: 72 ft 0 in (21.95 m)Height: 25 ft 5 in (7.75 m)Disc area: 4071.5 ft² (378.24 m²)Empty weight: 19,800 lb (8,980 kg)Max. takeoff weight: 47,000 lb (21,000 kg)Powerplant: 2× Pratt & Whitney T73-P-700 turboshaft engines, 4,800 shp (3,580 kW) eachAchievementMaximum speed: 130 kn (150 mph, 240 km/h)Cruise speed: 100 kn (115 mph, 185 km/h)Range: 200 NM (230 miles, 370 km)Service ceiling: 18,330 ft (5,600 m)Climbing rate: 1,330 ft/min (6.75 m/s)