Fuel to Air India jet engines cut off moments before crash: probe
The report, issued by India's Aircraft Accident Investigation Bureau (AAIB), did not offer any conclusions or apportion blame for the June 12 disaster, but indicated that one pilot asked the other why he cut off fuel, and the second pilot responded that he had not.
The Boeing 787-8 Dreamliner was headed from Ahmedabad in western India to London when it crashed, killing all but one of the 242 people on board as well as 19 people on the ground.
In its 15-page report, the investigation bureau said that once the aircraft achieved its top recorded speed, "the Engine 1 and Engine 2 fuel cutoff switches transitioned from RUN to CUTOFF position one after another with a time gap of 01 sec".
"In the cockpit voice recording, one of the pilots is heard asking the other why did he cutoff. The other pilot responded that he did not do so," it said.
The aircraft quickly began to lose altitude.
The switches then returned to the "RUN" position and the engines appeared to be gathering power, but "one of the pilots transmitted 'MAYDAY MAYDAY MAYDAY'", the report said.
Air traffic controllers asked the pilots what was wrong, but then saw the plane crashing and called emergency personnel to the scene.
- Investigation ongoing -
Earlier this week, specialist website The Air Current, citing multiple sources familiar with the probe, reported it had "narrowed its focus to the movement of the engine fuel switches", while noting that full analysis will "take months - if not longer".
It added that "the focus of the investigators could change during that time".
The Indian agency's report said that the US Federal Aviation Administration had issued an information bulletin in 2018 about "the potential disengagement of the fuel control switch locking feature".
Though the concern was not considered an "unsafe condition" that would warrant a more serious directive, Air India told investigators it did not carry out suggested inspections as they were "advisory and not mandatory".
Air India was compliant with all airworthiness directives and alert service bulletins on the aircraft, the report said.
The investigations bureau said there were "no recommended actions to B787-8 and/or GE GEnx-1B engine operators and manufacturers", suggesting no technical issues with the engines (GE) or the aircraft (Boeing).
The bureau said the investigation was ongoing, and that additional evidence and information has been "sought from the stakeholders".
Boeing said in a statement it will "continue to support the investigation and our customer", adding "our thoughts remain" with those affected by the disaster.
Air India said it was "working closely with stakeholders, including regulators."
"We continue to fully cooperate with the AAIB and other authorities as their investigation progresses," it said in a statement on X.
The UN's International Civil Aviation Organisation (ICAO) stipulates that states heading an investigation must submit a preliminary report within 30 days of an accident.
US and British air accident investigators have taken part in the probe.
The plane was carrying 230 passengers - 169 Indians, 53 British, seven Portuguese and a Canadian - along with 12 crew members.
Dozens of people on the ground were injured.
One passenger miraculously survived, a British citizen who was seen walking out of the wreckage of the crash, and who has since been discharged from hospital.
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Text Color White Black Red Green Blue Yellow Magenta Cyan Transparency Opaque Semi-Transparent Background Color Black White Red Green Blue Yellow Magenta Cyan Transparency Opaque Semi-Transparent Transparent Window Color Black White Red Green Blue Yellow Magenta Cyan Transparency Transparent Semi-Transparent Opaque Font Size 50% 75% 100% 125% 150% 175% 200% 300% 400% Text Edge Style None Raised Depressed Uniform Dropshadow Font Family Proportional Sans-Serif Monospace Sans-Serif Proportional Serif Monospace Serif Casual Script Small Caps Reset restore all settings to the default values Done Close Modal Dialog End of dialog window. Advertisement Video Player is loading. Play Video Play Unmute Current Time 0:00 / Duration -:- Loaded : 0% Stream Type LIVE Seek to live, currently behind live LIVE Remaining Time - 0:00 This is a modal window. Beginning of dialog window. Escape will cancel and close the window. 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Fuel to Air India jet engines cut off moments before crash: probe
INDIA - Fuel control switches to the engines of an Air India flight that crashed shortly after takeoff, killing 260 people, were moved from the "run" to the "cutoff" position moments before impact, a preliminary investigation report said early Saturday. The report, issued by India's Aircraft Accident Investigation Bureau (AAIB), did not offer any conclusions or apportion blame for the June 12 disaster, but indicated that one pilot asked the other why he cut off fuel, and the second pilot responded that he had not. The Boeing 787-8 Dreamliner was headed from Ahmedabad in western India to London when it crashed, killing all but one of the 242 people on board as well as 19 people on the ground. In its 15-page report, the investigation bureau said that once the aircraft achieved its top recorded speed, "the Engine 1 and Engine 2 fuel cutoff switches transitioned from RUN to CUTOFF position one after another with a time gap of 01 sec". "In the cockpit voice recording, one of the pilots is heard asking the other why did he cutoff. The other pilot responded that he did not do so," it said. The aircraft quickly began to lose altitude. The switches then returned to the "RUN" position and the engines appeared to be gathering power, but "one of the pilots transmitted 'MAYDAY MAYDAY MAYDAY'", the report said. Air traffic controllers asked the pilots what was wrong, but then saw the plane crashing and called emergency personnel to the scene. - Investigation ongoing - Earlier this week, specialist website The Air Current, citing multiple sources familiar with the probe, reported it had "narrowed its focus to the movement of the engine fuel switches", while noting that full analysis will "take months - if not longer". It added that "the focus of the investigators could change during that time". The Indian agency's report said that the US Federal Aviation Administration had issued an information bulletin in 2018 about "the potential disengagement of the fuel control switch locking feature". Though the concern was not considered an "unsafe condition" that would warrant a more serious directive, Air India told investigators it did not carry out suggested inspections as they were "advisory and not mandatory". Air India was compliant with all airworthiness directives and alert service bulletins on the aircraft, the report said. The investigations bureau said there were "no recommended actions to B787-8 and/or GE GEnx-1B engine operators and manufacturers", suggesting no technical issues with the engines (GE) or the aircraft (Boeing). The bureau said the investigation was ongoing, and that additional evidence and information has been "sought from the stakeholders". Boeing said in a statement it will "continue to support the investigation and our customer", adding "our thoughts remain" with those affected by the disaster. Air India said it was "working closely with stakeholders, including regulators." "We continue to fully cooperate with the AAIB and other authorities as their investigation progresses," it said in a statement on X. The UN's International Civil Aviation Organisation (ICAO) stipulates that states heading an investigation must submit a preliminary report within 30 days of an accident. US and British air accident investigators have taken part in the probe. The plane was carrying 230 passengers - 169 Indians, 53 British, seven Portuguese and a Canadian - along with 12 crew members. Dozens of people on the ground were injured. One passenger miraculously survived, a British citizen who was seen walking out of the wreckage of the crash, and who has since been discharged from hospital.
