Tragedy struck this week when a plane crashed in the city of Ahmedabad just shortly after takeoff, leaving investigators and aviation officials with many questions.

Both of the "black boxes" were recovered from the wreckage of the Boeing 787-8 Dreamliner in India after after all but one of the 242 people onboard died.

India's Aircraft Accident Investigation Bureau is investigating the crash with help from the U.S. National Transportation Safety Board. Authorities said Friday that the black box has been recovered.