Beijing, May 28 (Reporter Qiu Chaoyi) May 28, 8:08 a.m. AC352 medium utility helicopter from Jiamusi City, Heilongjiang Province, Jiansanjiang Wetland Airport were took off for a long distance flight route transfer field test subjects. After 616 kilometers flight, 10:22 a.m. the AC352 helicopter arrived at Harbin City Pingfang Airport, marking the type of machine functional and reliability special test flight successfully ended. According to the aviation industry group of China, the AC352 helicopt has filled that gap in China's 7 - ton civil helicopt production and is of great significance to the upgrading of domestic helicopter industry.