A preliminary report released on Saturday by India’s Aircraft Accident Investigation Bureau (AAIB) found that the fuel switches had moved from “run” to “cut-off” just one second apart shortly after take-off. However, it did not clarify how the switches were turned, and did not attribute fault.

On the 12 June, Air India flight 171 from Ahmedabad to London crashed less than a minute after take-off, killing 241 people on board and 19 on the ground.

Speculation following the release of the preliminary report by India’s Aircraft Accident Investigation Bureau had suggested this might have been the case, as Kunder would have had his hands full flyi...