China successfully tests unmanned helicopter

Weifang Tianxiang Aerospace Industry conducted a flight test of the helicopter, model number V750, at a facility in Weifang City in Shandong Province, a Chinese news agency reported.The drone landed safely after completing various manoeuvres for about 10 minutes. The V750 made its first public appearance at an international airshow in Zhuhai last November, but this was the first official flight test.It can fly 500 kilometres nonstop for more than four hours with a maximum speed of 161 kilometres per hour. Its maximum operating altitude is 3,000 metre.