Management installed by the Tata Group had spent three years struggling to undo a reputation for shoddy operations earned during decades of state ownership.

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.

As the investigation continued Friday into the horrific Air India Boeing 787 Dreamliner crash that killed at least 290 people, the sole survivor is doing well but is "psychologically disturbed."