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 people dead.

AHMEDABAD – In the wake of the devastating Air India plane crash in Ahmedabad, U.S. aviation safety officials have joined the ongoing investigation into the disaster that claimed at least 271 lives.

Global probe underway into Air India Ahmedabad crash that killed 241. Boeing, NTSB, and FAA join AAIB as black box data is analyzed. DNA matches confirm 92 victims; rescue efforts praised.