More than 240 people were killed when an Air India plane bound for London crashed moments after taking off from the city of Ahmedabad on Thursday, authorities said, in the world's worst aviation disaster in a decade.

A father of two who had traveled from the U.K. to India to spread his wife's ashes died in the Air India crash on June 12, leaving the couple's two daughters, ages 4 and 8, orphaned. Arjun Patoliya, 37,

Authorities locate the ill-fated plane's second black box as the investigation continues, ordering inspections of Air India's Boeing Dreamliners.

Air India has confirmed that 241 people, including 52 British nationals who were on board the flight, were killed in the crash.

An Air India plane crashed into a medical college in Ahmedabad, killing people on the ground and leaving a sole survivor on the flight. Authorities said 269 died.

AHMEDABAD, India (Reuters) -Officials from the U.S. National Transportation Safety Board (NTSB) surveyed the site of Air India plane crash that killed at least 271 people, sources said on Sunday, with families continuing to wait for DNA profiling results to identify charred bodies.