The Aircraft Accident Investigation Bureau (AAIB) has released its preliminary probe report on the fatal Ahmedabad plane crash. The preliminary report launched by AAIB has put the spotlight on the fuel switches of the crashed Boeing 787-8 and the confusion between the two pilots over the switches being cut off.

With the reports suggesting technical aspects of the aircraft, here is an explainer that will help you understand all the terminologies and will also let you know what exactly caused the Ahmedabad plane crash on June 12, 2025.

To start off with fuel switches, are switches inside the cockpit that regulate the flow of fuel into an aircraft's engines. The switch basically has two positions—'RUN' and 'CUT OFF'—and is used to start or shut down engines.
As reported by PTI, according to a veteran pilot, the position of a fuel switch cannot be changed accidentally, and there is a procedure in place. This indicates that the pilot who was flying the aircraft must have intentionally moved the switch from one position to another.