印度客机坠毁系燃料供应中断！专家称意外移动开关可能性较低

Core Insights - The preliminary investigation report by the Indian Aircraft Accident Investigation Bureau revealed that the Boeing 787-8 aircraft experienced a dual engine fuel supply cut-off shortly after takeoff, leading to an in-flight engine failure and subsequent crash [1][2] - The crash occurred on June 12, resulting in over 200 fatalities, with only one survivor, an Indian-British man [1][2] - The cockpit voice recording indicated a conversation between the pilots regarding the fuel switch, suggesting potential confusion or miscommunication [1] Group 1 - The fuel supply to both engines was interrupted for approximately 10 seconds, and the switches were reopened shortly after, but the aircraft could not regain sufficient power to stop its descent [1] - The time interval between the closure of the fuel supply switches for both engines was about 1 second, indicating a synchronized failure [1] - The aircraft began its descent before crossing the airport perimeter, highlighting a critical failure in maintaining altitude [1] Group 2 - Aviation experts noted that each engine's fuel supply switch is equipped with a locking mechanism to prevent accidental changes, suggesting that pilot error in moving the switches is unlikely [2] - The Boeing 787, known for its fuel efficiency and long-range capabilities, has faced multiple safety incidents globally since its introduction in late 2011 [2] - Prior to this incident, Boeing had suspended deliveries of the 787 model due to manufacturing defects and disagreements with the FAA regarding inspection methods, although deliveries were later resumed [2]