A preliminary finding into last month’s Air India plane crash has suggested the aircraft’s fuel control switches were turned off, causing a loss of engine thrust shortly after takeoff.

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

The preliminary investigation into the Air India crash in Ahmedabad, which resulted in 261 fatalities, has dismissed sabotage and bird strike as potential causes. The report indicates a suspected fuel cutoff as the primary trigger,