Photo taken on Dec. 20, 2016 shows the AC352 civil helicopter in Harbin, northeast China's Heilongjiang Province. The new Chinese civil helicopter made its maiden flight on Tuesday, marking a new development in the nation's helicopter industry, the Aviation Industry Corporation of China (AVIC) said. The AC352 civil helicopter is a multi-purpose twin-engine helicopter with a 7.5-tonne maximum take-off weight, and is capable of carrying up to 16 passengers. (Xinhua/Li He)