Originally designated the BK 117 C2, the Eurocopter EC145 is a light utility, twin-engine helicopter. The aircraft seats one to two pilots and nine passengers. The empty weight is 3,951 lbs (1,792 kg) and the maximum takeoff weight is 7,903 lbs (3,585 kg). The EC145 is powered by two Turbomeca Arriel 1E2 turboshaft engines. The cruising speed is 133 kts (153 mph, 246 km/h) and the maximum speed is 145 kts (167 mph, 268 km/h).