Investigators now believe that the Air India plane crash could have been caused by the aircraft running on emergency power. A total of 270 people, including all but one of the 242 passengers on board, died last Thursday when the Boeing Dreamliner plane plummeted to the ground in Ahmedabad, India after just 40 seconds in the air . Authorities have since launched a probe into what caused the crash - and are now said to have found evidence that an emergency generator may have the aircraft's