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 cockpit voice recorder (CVR), commonly referred to as one of the two black boxes of the aircraft, has now been recovered from the debris, local media reported. The critical piece of equipment could include pilots' conversations from the cockpit, alarms and background sounds from the moments before the devastating crash.

This article explores the role of the brightly colored 'black box' in investigating the recent Air India plane crash in Ahmedabad.