On September 11 , 2001 , Suqami boarded American Airlines Flight 11 and participated in the hijacking of the plane .
Hijacking could be crashed into the North Tower of the World Trade Center as part of the coordinated attacks .
On September 11 , 2001 , Suqami boarded American Airlines Flight 11 and participated in the hijacking of the plane so that it could be crashed into the North Tower of the World Trade Center as part of the coordinated attacks .