A C919 jetliner is pictured after landing at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Xinhua/Zhang Tao)

A ground crew member works at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Xinhua/Zhang Tao)

Staff members pose for a memorial group photo at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Xinhua/Zhang Tao)

Passengers disembark a C919 jetliner operated by China Eastern Airlines at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Xinhua/Zhang Tao)

Passengers disembark a C919 jetliner operated by China Eastern Airlines at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Photo by Liu Yang/Xinhua)

A ground crew member directs a C919 jetliner operated by China Eastern Airlines during taxiing at Harbin Taiping International Airport in Harbin, northeast China's Heilongjiang Province, April 15, 2026. The flight MU5631 carrying 140 passengers landed in Harbin on Wednesday, marking a successful maiden flight of C919, China's homegrown large passenger aircraft, on the Harbin-Shanghai route of China Eastern Airlines. (Xinhua/Zhang Tao)