Another Boeing 787-8 Dreamliner. Another Air India flight. But this time, there was no tragedy. Instead, Air India Flight 315 bound for New Delhi returned to Hong Kong on Monday about an hour after takeoff,

Investigators have recovered the cockpit voice recorder (CVR) from the crashed Air India flight, a key step in uncovering what caused last week's deadly accident.

The recent investigation into the circumstances surrounding the Air India plane crash has taken a new turn following the discovery of the cockpit recorder.