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.

The crash of Air India flight AI171, a Boeing 787 Dreamliner, shortly after takeoff from Ahmedabad has shaken the global aviation community. With hundreds of lives lost, and intense scrutiny from investigators,

At least 270 people have been confirmed dead after an Air India flight bound for London crashed shortly after take-off from Ahmedabad, India, on Thursday, in what is now the world’s deadliest air disaster in a decade.