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, said a source briefed on U.

With conclusive information hard to come by weeks after the fatal Air India crash, the aviation industry has shifted its focus to possible pilot error.

Sandhu, who was also a designated examiner for the Boeing 787-8 fleet at Air India, had taken delivery of the now-crashed 787-8 plane in 2013. He has reportedly agreed to join the crash probe.