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Rock Street, San Francisco

The wind information was not appropriate as it was tail wind at time of landing. The crew was not aware about the aircraft ground speed and the tail wind.
The CAA analyzed that following the diversion to Port Sudan due to weather the aircraft returned to Khartoum and entered a hold again for 20 minutes before the approach commenced, the crew was informed by ATC that the runway was wet. The captain (60, ATPL, 14,180 hours total, 3,088 hours on type) was pilot flying for the approach and landing, the first officer (50, ATPL, 9,879 hours total, 3,347 hours on type) was pilot monitoring. The crew complied with control clearances, the captain performed a stabilized approach to runway 36, tower reported the winds at 7 knots from 320 degrees.
The CAA analyzed with these wind conditions the landing distance available would been longer than the landing distance required (safe landing possible) even with the wet runway. However, the actual flight data, CAS of 140 knots and ground speed 155 knots, reveal the aircraft was exposed to a 15 knots tailwind, which the crew did not seem to realize. As a result of the tailwind the aircraft flared long and touched down smoothly 850-900 meters past the runway threshold, the CAA analyzed that the smooth landing may have contributed to the accident.
The runway friction coefficients were poor, the pavement was slippery. Despite the information, that the runway was wet and the strong recommendation in the FCOM to do so, the captain had not engaged the auto brakes.

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