AHMEDABAD, India — The Air India plane crash this week was one of India’s worst aviation disasters, killing 241 people on board and several people on the ground. Indian authorities said Friday the investigation into the crash was underway and is expected to include experts from the plane’s maker Boeing and U.S. aviation regulators.

The Air India plane crash this week was one of India’s worst aviation disasters, killing 241 people on board and several people on the ground.

Almost all those on board an Air India flight bound for London Gatwick Airport that crashed shortly after take-off in western India have died, the airline has confirmed. There were 242 passengers and crew on board the plane,