Photo taken on May 7, 2011 shows the "V750" pilotless helicopter during a test flight in Weifang of east China's Shandong Province. The 757-kilogramme helicopter has a maximum load capacity of 80 kilogramme. The V750 helicopter, with a max speed of 161 kilometers per hour and max range of 500 kilometers, can be remotely controlled as well as self-controlled by stored program within a range of 150 kilometers in radius and 3000 meters in ceiling. [Photo/Xinhua] |