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This photo provided by Dawn Siadatan shows Asiana Airlines flight 214 just moments after crashing at the San Francisco International Airport in San Francisco, Saturday, July 6, 2013. The Asiana Airlines Boeing 777 crashed while landing after a likely 10-hour-plus flight from Seoul, South Korea. The flight originated in Shanghai and stopped in Seoul before the long trek to San Francisco. (AP Photo/Dawn Siadatan)

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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