Authorities investigating the deadly Air India crash that killed at least 279 are studying the black boxes of the plane, and are looking at whether it was overloaded and if the pilots were properly trained.

Second black box from flight AI171 was found on Sunday, days after disaster in which at least 279 people died

Authorities investigating the deadly Air India crash that killed at least 279 are studying the black boxes of the plane, and are looking at whether it was overloaded and if the…