Air India Flight 171, a Boeing 787-8 Dreamliner, vanished from the skies above Ahmedabad and crashed into a residential neighbourhood just

The two engines on the Air India flight shut down within one second of each other before the Boeing 787 Dreamliner crashed last month in Ahmedabad, India, killing at least 260 people, according to a preliminary report released Friday.

Air India plane crash investigators have found both of the Boeing 787's "black boxes," hopefully brining an understanding of the cause of the disaster a step closer.