He heard screams of people as the burning Air India plane flew overhead. The plane rammed into the hostel mess, and the view around the crash site became all dark for the fifty-four-year-old, Pankaj Barote. As soon as he heard the loud blast sound and the noise ensued, he ran out of his shop and took cover under a tree.

The harrowing incident saw the London-bound Air India Boeing 787 Dreamliner plunge into a residential area in Ahmedabad, Gujarat, killing 241 passengers on board and another 38 people on the ground. Now, commercial airline pilot and crash analyst Steve Schreiber has pointed to fresh footage as a key breakthrough in understanding what went wrong.