Investigators Search Air India Wreckage, Find Black Box

Investigators are combing the wreckage of Air India flight AI171 to determine what caused the Boeing Co. Dreamliner to crash on Thursday, killing all but one of the 242 people aboard and resulting in the deadliest aviation accident in more than a decade.

One of the two so-called black boxes, which contain critical evidence of a plane’s final moments, was located, the India Aviation Ministry said Friday. The ministry said it found the digital flight-data recorder of the plane, a first breakthrough that should help retrace the fateful final moments of the flight.