IATA's Willie Walsh advocates for cockpit video recording to enhance accident investigations, citing the Air India crash as a potential case where vid

The sudden movement of engine fuel switches has taken centre stage in the investigation of the Air India Boeing Dreamliner crash that killed 260 people in June, the world's worst aviation disaster in a decade.

Air India has completed precautionary inspections of the fuel control switch locking mechanisms across its Boeing 787 fleet and found no defects, an airline official said on Wednesday. The report revealed that fuel supply to both engines was cut off within one second of each other after takeoff.