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A passenger of Asiana flight 214 arrives at the Incheon Airport in Incheon, west of Seoul Monday, July 8, 2013. Officials investigating a jetliner crash in San Francisco have determined that Asiana Airlines Flight 214 was traveling "significantly below" its target speed as it approached the airport and that the crew tried to abort the landing just before it smashed onto the runway. (AP Photo/Kim Hong-Ji, Pool)

Asiana Airlines Flight 214 crash

Pilot mismanagement and confusion caused Asiana Flight 214 to crash in San Francisco last year, U.S. accident investigators concluded Tuesday.

The National Transportation Safety Board said there was confusion over whether one of the airliner's key controls was maintaining speed.

The agency also cited the complexity of the Boeing 777's autothrottle and pilot training by the South Korea-based airline as contributing to the crash, which killed three passengers and injured more than 200.

(AP)

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