AAIB has submitted its preliminary report on the AI-171 crash in Ahmedabad, where over 250 died. For the first time, black box data was decoded in India. The probe involves global aviation experts.

The report is based on the bureau's initial assessment and findings gathered in the early phase of the investigation, and it will be released to the public later this week.

The five-page report outlines key initial observations related to flight data, crew actions, prevailing weather conditions, and the mechanical performance of the aircraft, the sources said