As officials are still examining the cause of last week’s deadly Air India Flight A171 crash in Ahmedabad, India, investigators suspect the Boeing aircraft’s emergency power system was possibly operational before the crash,

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 black boxes will provide cockpit conversations and data related to the plane's engine and control settings to investigators and help them in determining the cause of the crash.