Second black box, the cockpit voice recorder, recovered. Over 270 killed. Investigation led by AAIB, NTSB, and senior officials.

Both the black boxes from the wreckage of the ill-fated Air India flight 171 have been recovered as the probe into the accident continues.

The black box from Air India's ill-fated Ahmedabad-London flight was recovered from the rooftop of the medical college hostel building it crashed into minutes after take-off on Thursday.