You can see from the debris whether the engines were producing power at impact—turbines break apart differently when they’re traveling very high,” said Peter Goelz, former managing director of the US National Transportation Safety Board.

PEOPLE spoke to aviation expert Anthony Brickhouse about the tragic June 12 crash that killed 241 passengers and crew members. A black box recording suggested the captain of the ill-fated Air India flight had turned off the plane’s fuel switches shortly before the crash.

International airlines from South Korea and India are preparing to inspect its Boeing fleets following findings from the Air India crash investigation.

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.