A cockpit recording of dialogue between pilots supports the view the captain cut the flow of fuel to the plane's engines, said a source briefed on U.S. officials' early assessment of evidence.

The deadly Air India crash last month has renewed a decades-old debate in the aviation industry over installing video cameras monitoring airline pilot actions to complement the cockpit voice and flight data recorders already used by accident investigators.

The plane crash claimed the lives of 260 people, including 19 who were in the medical hostel building reduced to rubble because of the crash.