Boeing 757 orders and deliveries ( cumulative , by year ) : , the 757 has been involved in 33 aviation occurrences , including 9 hull-loss accidents . Seven crashes and 12 hijackings have resulted in a total of occupant fatalities . The first fatal event involving the aircraft occurred on October 2 , 1990 , when a hijacked Xiamen Airlines 737 collided with a China Southern Airlines 757 on the runways of Guangzhou Baiyun International Airport , China , killing 46 of the 122 people on board . Two 757-200s were hijacked on September 11 , 2001 during a coordinated terrorist attack in the United States ; hijackers crashed American Airlines Flight 77 into the Pentagon in Arlington , Virginia , killing all 64 on board and 125 on the ground , and United Airlines Flight 93 was also hijacked , and crashed near Shanksville , Pennsylvania , killing all 44 on board
a coordinated terrorist attack in the United States
September 11 attacks
Boeing 757