New Delhi, July 12 -- A preliminary report on Air India AI-171 crash details the cockpit situation andli revealed how '01 seconds' forced pilot to issue a Mayday call. The report claimed that both the fuel control switches were moved from the "RUN" position to the 'CUT-OFF' position in mere a second.

The supply of fuel to the engine is controlled by two switches in the flight deck. Each switch is equipped with a locking mechanism that is supposed to prevent accidental movement, experts were quoted by the New York Times as saying.

To turn the fuel supply on, the switch must be pulled outward and then moved to a "RUN" position, where it is released and settles back into a locked position. To turn the fuel supply off, the switch must be pu...