New Delhi: Air India Boeing 787-8 aircraft’s engine fuel control switches transitioned from ‘RUN’ to ‘CUTOFF’ position within three seconds after lift-off, leading to the plane crashing in just 34 seconds after taking off from Ahmedabad on June 12, according to the initial probe report by the Aircraft Accident Investigation Bureau (AAIB) released early on Saturday.
Both fuel control switches supplying fuel to the engines of Air India flight 171 were turned off in quick succession, shutting down both the engines. According to the report findings, one of the pilots can be heard on the cockpit voice recorder, asking the other why he cut off the fuel, to which the other pilot responded by saying that “he did not”.
The Air India flight – a Boeing 787-8 Dreamliner – crashed on June 12 and killed at least 260 people, including 19 on the ground, in the northwestern city of Ahmedabad. Only one passenger survived the crash, which is one of India’s worst aviation disasters.
The plane was carrying 230 passengers – 169 Indians, 53 British, seven Portuguese and a Canadian – along with 12 crew members.
According to the report, the flight lasted around 30 seconds between takeoff and crash. It 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” within a second. The report did not say how the switches could have flipped to the cutoff position during the flight.
The movement of the fuel control switches allow and cut fuel flow to the plane’s engines.
The switches were flipped back into the run position, the report said, but the plane could not gain power quickly enough to stop its descent after the aircraft had begun to lose altitude.
“One of the pilots transmitted “‘MAYDAY MAYDAY MAYDAY’,” the report said.
It also indicated confusion in the cockpit moments before the crash.
