Investigators have recovered the cockpit voice recorder (CVR) from the crashed Air India flight, a key step in uncovering what caused last week's deadly accident. The London-bound Air India aircraft,

Air India Boeing 787 flight to London was canceled just days after the crash on June 12 that took the lives of over 290 people. Air India said the cancellation was due to "unavailability of the aircraft.

Investigators in India are studying the black boxes of a Boeing 787 Dreamliner after recovering them from the aircraft wreckage to ascertain the cause of last week’s plane crash that left at least 270