COMAC C919-600 high-altitude variant spotted ahead of flight tests - Air Data News The shortened, high-altitude variant of China’s C919 narrowbody, designated C919-600, has been photographed at COMAC’s facilities in Shanghai,

COMAC C919-600 high-altitude variant spotted ahead of flight tests #C919Plateau #C919600 #COMAC #TibetAirlines www.airdatanews.com/comac-c919-600-high-alti...