<Tr> <Th> Flight origin </Th> <Td> Newark Int'l Airport (now Newark Liberty Int'l Airport) </Td> </Tr> <Tr> <Th> Destination </Th> <Td> San Francisco Int'l Airport </Td> </Tr> <P> United Airlines Flight 93 was a domestic scheduled passenger flight that was hijacked by four Al - Qaeda terrorists on board, as part of the September 11 attacks . It crashed into a field in Somerset County, Pennsylvania, during an attempt by the passengers and crew to regain control . All 44 people aboard were killed, including the four hijackers, but no one on the ground was injured . The aircraft involved, a Boeing 757--222, was flying United Airlines' daily scheduled morning flight from Newark International Airport in New Jersey to San Francisco International Airport in California . </P> <P> The hijackers stormed the aircraft's cockpit approximately 46 minutes after takeoff . The pilot and first officer took measures, such as de-activating the autopilot, to hinder the hijackers . However, Ziad Jarrah, who had trained as a pilot, took control of the aircraft and diverted it back toward the east coast, in the direction of Washington, D.C. Khalid Sheikh Mohammed and Ramzi bin al - Shibh have claimed that the intended target was the Capitol Building . </P>

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