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 (Reuters) -Lawrence Christian had flown to India to bury his father. A fortnight later, his family is now waiting to bury him. Christian, 30, worked in Britain and was one of the passengers on the Air India Boeing 787-8 Dreamliner bound for London that crashed last week with 242 people on board, seconds after taking off from Ahmedabad.

The Air India crash that killed 241 passengers is among the deadliest plane crashes in recent history. Here's a look at the five deadliest plane crashes in history.