American Airlines Flight 11, bound for Los Angeles from Boston, was commandeered by hijackers and crashed into the World Trade Center's North Tower. Suggested: September 11, 2001: 2,977 lives were lost in a day during the worst terror attack on US soil"There's a second plane that just crashed into the World Trade Center. The plane crashed into a field, killing the 40 passengers and crew members aboard. "This appears to be the most direct terrorist attack on US soil in our history. The rubble of the World Trade Center smoulders following a terrorist attack September 11, 2001 in New York.