Preliminary findings into last month’s Air India plane crash suggest the aircraft’s fuel control switches were turned off, causing a loss of engine thrust shortly after takeoff.

Authorities released a preliminary report on the Air India crash, following an investigation. The London-bound flight from Ahmedabad crashed minutes into the June 12 flight. Only one passenger of the 242 passengers and flight crew survived.

The pilots, including flight instructors and an aviation safety consultant, have said the decision by India’s Aircraft Accident Investigation Bureau (AAIB) to release only 28 words of summarised dialo