Investigators are probing the wreckage and cockpit recorders to understand what went wrong just after take-off. The Air India flight climbed to 625 feet in clear weather before losing location data 50 seconds in, per Flightradar24. Saturday's 15-page report offers early insights.

Boeing investors finally have details from a preliminary accident report for Air India flight 171, which crashed on June 12 less than a minute after taking off from an airport in Ahmedabad, India.

The cockpit voice recorder captured a pilot questioning the other with, “Why did you do the cut-off?”, to which the other replied he hadn’t. It remains unclear who made the statement. At the time, the co-pilot was flying the aircraft while the captain was monitoring.