SW-4 helicopter is a five-seat light, single-scroll helicopter equipped with 250-C20/2 engine with excellent performance and high reliability. It can be widely used in law enforcement patrol, passenger transport, cargo transport, medical rescue, pilot training, agricultural and forestry spraying and other fields. Fueled by aviation kerosene, the aircraft has a maximum takeoff weight of 1800 kilograms, a maximum flight speed of 260 kilometers per hour, a flight altitude of 5500 meters above sea level and a voyage of 624 kilometers.
