印度坠机调查：聚焦发动机燃油开关为何关闭

Core Insights - The preliminary investigation report by the Indian Aircraft Accident Investigation Bureau reveals that both engines of the aircraft lost fuel supply shortly after takeoff, with a focus on the operation of the fuel switches [1][2][8] Group 1: Incident Details - The report indicates that the fuel switches for both engines were switched from "on" to "off" within one second, leading to the loss of engine power [2][4] - A "MAYDAY" distress signal was issued by one of the pilots during the emergency, but the report does not specify which pilot made the call [2][6] - The aircraft crashed approximately half a minute after the fuel switches were cut off, with the black box ceasing to record five seconds before the crash [4][5] Group 2: Pilot Information - The captain, Sumit Sabharwal, has over 15,000 flight hours, including 8,596 hours on the Boeing 787, while the co-pilot, Clive Kundal, has 3,403 flight hours, with 1,128 hours on the Boeing 787 [6] - Both pilots were reported to have received adequate rest before the flight and passed alcohol breath tests [8] Group 3: Investigation Focus - The investigation is narrowing down on the operation of the fuel switches, with experts suggesting that the switches could not have been accidentally activated [8] - The final analysis report may take several months to complete, as the investigation continues to gather additional evidence [9]