On June 12, Air India Flight 171, a Boeing 787-8, crashed seconds after takeoff from Ahmedabad, killing 241 of 242 onboard and 19 on the ground when it struck a medical college hostel.

The Aircraft Accident Investigation Bureau’s (AAIB) preliminary report, released July 12, 2025, reveals a critical sequence: both engine fuel cutoff switches moved from RUN to CUTOFF one second apart at 08:08:42 UTC, just as the aircraft hit 180 knots. Engine power plummeted, leading to the crash 26 seconds later at 08:09:05 UTC, after a pilot’s desperate “MAYDAY” call went unanswered.

Cockpit voice recordings capture confusion, with one pilot asking why the fuel was cut off, the other denying responsibility. The co-pilot was flying, monitored by the captain, who had over 15,638 hours of experience; the first officer had 3,403 hours.

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Fuel samples from the aircraft’s bowsers and tanks tested satisfactory, though limited samples from the APU filter and left wing are still under analysis. Both GEnx-1B engines and key components are quarantined for further examination, with wreckage secured near the airport.

The AAIB found no immediate issues warranting action for Boeing 787-8 or GEnx-1B operators, pending deeper analysis of the Enhanced Airborne Flight Recorder and witness statements, including from the sole surviving passenger. Post-mortem reports are being reviewed to align medical and engineering findings. Air India and Boeing are cooperating with the ongoing probe, adhering to international protocols.

This fatal Boeing 787 crash, the worst in India in decades, leaves unanswered questions about the fuel cutoff’s cause, with investigations continuing to uncover the truth behind the tragedy.

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