Report: How Air India captain cut fuel to engines before crash

A cockpit recording of dialogue between the two pilots of the Air India flight that crashed last month supports the view that the captain cut the flow of fuel to the plane’s engines.

The first officer was at the controls of the Boeing 787 and asked the captain why he moved the fuel switches into a position that starved the engines of fuel and requested that he restore the fuel flow, a source briefed on United States officials’ early assessment of evidence told Reuters on condition of anonymity because the matter remains under investigation.

The U.S. assessment is not contained in a formal document, said the source, who emphasized the cause of the June 12 crash in Ahmedabad, India, that killed 260 people remains under investigation.

There was no cockpit video recording definitively showing which pilot flipped the switches, but the weight of evidence from the conversation points to the captain, according to the early assessment.

The Wall Street Journal first reported similar information on Wednesday about the world’s deadliest aviation accident in a decade.

India’s Aircraft Accident Investigation Bureau (AAIB), which is leading the investigation into the crash, said in a statement on Thursday that “certain sections of the international media are repeatedly attempting to draw conclusions through selective and unverified reporting.”

It added the investigation was ongoing and it remained too early to draw definitive conclusions.

Most air crashes are caused by multiple factors, and under international rules, a final report is expected within a year of an accident.

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A preliminary report released by the AAIB on Saturday said one pilot was heard on the cockpit voice recorder asking the other why he cut off the fuel and “the other pilot responded that he did not do so.”

Investigators did not identify which remarks were made by Captain Sumeet Sabharwal and which by First Officer Clive Kunder, who had total flying experience of 15,638 hours and 3,403 hours, respectively.

The AAIB’s preliminary report said the fuel switches had switched from “run” to “cutoff” a second apart just after takeoff, but it did not say how they were moved.

Almost immediately after the plane lifted off the ground, closed-circuit TV footage showed a backup energy source called a ram air turbine had deployed, indicating a loss of power from the engines.

The London-bound plane began to lose thrust, and after reaching a height of 650 feet, the plane started to sink.

The fuel switches for both engines were turned back to “run”, and the airplane automatically tried restarting the engines, the report said.

But the plane was too low and too slow to be able to recover, aviation safety expert John Nance told Reuters.

The plane clipped some trees and a chimney before crashing in a fireball into a building on a nearby medical college campus, killing 19 people on the ground and 241 of the 242 on board.

The Star