China's independently-developed AC313A large civil helicopter has recently completed its cold-weather flight tests in Mohe, northeast China's Heilongjiang Province. #China #helicopter #cold #AC313A #Heilongjiang
China's independently-developed AC313A large civil helicopter has recently completed its cold-weather flight tests in Mohe, northeast China's Heilongjiang Province. #China #helicopter #cold #AC313A #Heilongjiang
