Flight 3943 departed from the former Guangzhou Baiyun International Airport on 07:17
CST (23:17
UTC) and cruised at an altitude of . During the descent towards Guilin, at an altitude of , the captain attempted to level off the plane by raising the nose. The plane's autothrottle was engaged for descent, but the crew did not notice that the number 2 power lever was at idle. This led to an asymmetrical power condition. The airplane rolled to the right, and the crew was unable to regain control. At 07:52
CST (23:52
UTC), the plane crashed at Mount Tianma, south of Guilin Qifengling Airport in Yangdi Township,
Yangshuo County. , it is still the second-deadliest accident in both of those categories, behind
Flash Airlines Flight 604, and
China Northwest Airlines Flight 2303, respectively. It is also the accident with the highest number of fatalities involving a China Southern Airlines aircraft. ==Similar accidents==