What was meant to clarify the cause of one of India’s deadliest aviation disasters has only added to the confusion. The preliminary report into the June 12 crash of the London-bound Air India flight in Ahmedabad—in which 260 people perished—was made public past midnight on July 11. But rather than offer closure, the 15-page document from the Aircraft Accident Investigation Bureau (AAIB) left experts and the public grappling with new uncertainties. Was it pilot error? A systems failure? Or, disturbingly, a deliberate act?