B772, San Francisco CA USA, 2013

B772, San Francisco CA USA, 2013

Summary

On 6 July 2013, an Asiana Boeing 777-200 descended below the visual glidepath on short finals at San Francisco after the pilots failed to notice that their actions had reduced thrust to idle. Upon late recognition that the aircraft was too low and slow, they were unable to recover before the aircraft hit the sea wall and the tail detached. Control was lost and the fuselage eventually hit the ground. A few occupants were ejected at impact but most managed to evacuate subsequently and before fire took hold. The Probable Cause of the accident was determined to be the mismanagement of the aircraft by the pilots.

Description

On 6 July 2013, a Boeing 777-200ER (HL7742) being operated by Asiana Airlines, on a scheduled passenger flight (214) from Seoul Incheon to San Francisco, crashed within the airport perimeter shortly before completing a landing in day VMC after the aircraft had hit the sea wall situated prior to the runway and the tail had detached. The aircraft was destroyed by the impact and a post crash fire. Three of the 307 occupants were fatally injured, 49 sustained serious injuries and 138 sustained minor injuries. The other 117 occupants were uninjured.

Investigation

An Investigation was carried out by the National Transportation Safety Board (USA) (NTSB). Recorded data relevant to the Investigation was recovered from the 2 hour Cockpit Voice Recorder (CVR), the Flight Data Recorder (FDR) and the QAR. The recording of the latter ended almost a minute earlier than that of the FDR due to data buffering. Recordings from various airport surveillance cameras were also obtained.

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