A black-box recording of dialogue between the Air India flight's two pilots indicates it was the captain who turned off switches that controlled fuel flowing to the plane's two engines, the Wall Street Journal reported on Wednesday,

The investigation into last month's fatal Air India crash is reportedly focusing on the captain's decision to cut fuel to the plane's engines.

The Federation of Indian Pilots said that the report lacks comprehensive data and relies on cockpit recordings, “suggesting pilot error” and “questioning the professional competence” of the crew