Vishwashkumar, who was sitting in seat 11a on the Air India flight, is receiving treatment at Ahmedabad’s Civil Hospital, where he has been visited by India's Prime Minister Narendra Modi, who also attended the bedside of locals who were not onboard the plane but were struck and injured by the crash.

Boeing was generating optimism. Then on Thursday a 787 crashed, raising the specter of fresh problems for Boeing and altering the message it planned to send.

Three days after the crash, only 35 bodies had been handed over to relatives from an overall official death toll of 270.

An early focus of the probe includes a possible loss or reduction of thrust.