FILE PHOTO: Visitors sit in the control cabin of a scale model of Chinese-made C919 passenger jet at "Airshow China 2010" in Zhuhai

FILE PHOTO: Visitors sit in the control cabin of a scale model of Chinese-made C919 passenger jet at “Airshow China 2010” in Zhuhai

FILE PHOTO: Visitors sit in the control cabin of a scale model of Chinese-made C919 passenger jet which is on display at the 8th China International Aviation & Aerospace Exhibition or "Airshow China 2010" in Zhuhai, Guangdong province November 16, 2010. S REUTERS/Stringer/File Photo

May 4, 2017 6:43 PM (UTC+8)