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.

Captain R.S. Sandhu, a domain expert, joins AAIB investigation into Air India Boeing 787-8 crash in Ahmedabad.