ภาพเครื่องบินโบอิ้ง 777 ของสายการบิน Asiana Airlines ประสบอุบัติเหตุที่ซานฟรานซิสโก

National Transportation Safety Board investigators assess the wreckage of Asiana Airlines Flight 214, at San Francisco International Airport in San Francisco, California.

1 National Transportation Safety Board investigators assess the wreckage of Asiana Airlines Flight 214, at San Francisco International Airport in San Francisco, California.

2 The interior of the Asiana Airlines Flight 214 that crashed at San Francisco International Airport.

A survivor of the Asiana Airlines crash in San Francisco is escorted by police after disembarking from a flight at Incheon international airport in Seoul, July 8, 2013.

3 A survivor of the Asiana Airlines crash in San Francisco is escorted by police after disembarking from a flight at Incheon international airport in Seoul, July 8, 2013.

U.S. National Transportation Safety Board (NTSB) investigators stand at the scene of the Asiana Airlines Flight 214 crash site at San Francisco International Airport, July 7, 2013. (NTSB)

4 U.S. National Transportation Safety Board (NTSB) investigators stand at the scene of the Asiana Airlines Flight 214 crash site at San Francisco International Airport, July 7, 2013. (NTSB)