B773, Munich Germany, 2011

B773, Munich Germany, 2011

Summary

On 3 November 2011, a Boeing 777-300ER crew lost directional control of their aircraft soon after touchdown and after veering off one side of runway 08R, it then crossed to the other side of it before stopping. The Investigation found that during the final stages of an intended autoland in CAT 1 conditions, an ILS LLZ signal disturbance caused by a departing aircraft had led a flight path deviation just before touchdown and, after delaying a pre-briefed automatic go-around until this was inhibited by main gear runway contact, the crew failed to either set thrust manually or disconnect the autopilot.

Description

On 3 November 2011, a Boeing 777-300ER (9V-SWQ) being operated by Singapore Airlines on a scheduled international passenger flight from Manchester to Munich veered off destination runway 08R shortly after touchdown and had then, after crossing back over the runway and off the other side, eventually stopped on the adjacent grass. The aircraft was undamaged apart from some grass and soil on the exterior of the right engine and the landing gear and the 162 uninjured occupants were able to disembark from the aircraft to buses using mobile steps brought to the aircraft.

The aircraft in its finally stopped position south of the runway. [Reproduced from the Official Report]

Investigation

An Investigation was carried out by the German Federal Bureau of Accident Investigation (BFU). The SSFDR and SSCVR were both removed from the aircraft and their data successfully downloaded and some relevant CMC data were also extracted. Recorded ATC communications and radar data were also obtained. It was noted that the 45 year-old Line Training Captain in command had accumulated a total of 12,416 flying hours which included 4,712 hours on type and had been employed by the airline since 1992. The 35 year-old First Officer was recorded as having a total of 3,681 flying hours, all of it on type and had been employed by the airline since 2002. Both pilots held Singaporean ATPLs.

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