The black boxes will provide cockpit conversations and data related to the plane's engine and control settings to investigators and help them in determining the cause of the crash.

At least 270 died when the Air India flight crashed into the campus of a medical college in Ahmedabad shortly after takeoff on Thursday. Only one passenger among the 242 aboard survived. At least 29 others on the ground, including five medical students inside the hostel, were also killed.

An Air India Boeing 787-8 flight headed for New Delhi returned to Hong Kong shortly after takeoff Monday because of a "technical issue," Indian media reported.

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

Indian investigators have recovered the digital flight data recorder or the black box of the Air India flight that crashed a day earlier.

HONG KONG — An Air India flight returned to Hong Kong on Monday shortly after takeoff due to a midair technical issue, days after another of the airline’s flights crashed and killed at least 270 people .

New evidence points to ‘extremely rare’ dual engine failure as cause of crash - India has ordered all Boeing 787s being operated by local carriers to be inspected