Marwan Yousef Mohamed Rashid Lekrab al-Shehhi ( , , also transliterated as Alshehhi ; 9 May 1978 &ndash; 11 September 2001 ) was the hijacker-pilot of United Airlines Flight 175 , crashing the plane into the South Tower of the World Trade Center as part of the September 11 attacks
United Airlines Flight 175
United Airlines Flight 175
Marwan al-Shehhi