The turbine helicopter Eurocopter EC135 is a twin engine civil helicopter used widely by police and ambulance services and for executive transport. The EC135 T1 is powered by two Turbomeca Arrius engines. The aircraft has the capacity for one pilot and up to seven passengers. The empty weight is 3208 lb and the maximum takeoff weight is 6415 lb. The cruise speed is 254 km/h (137 knots, 158 mph).