China's domestically developed C919 large passenger aircraft has officially begun regular international commercial operations, with its inaugural flight departing from Beijing for Ulaanbaatar on Wednesday afternoon.⁣ ⁣ Upon arrival in the capital of Mongolia, the aircraft received a water cannon salute, the highest ceremonial honor in civil aviation.⁣ ⁣ #C919 #China #Mongolia #Beijing #Ulaanbaatar #aviation