A Boeing 767 crashes while circling a runway. Air China Flight 129 is approaching Busan, South Korea when they are told to land in the opposite direction than they planned for. While the crew is circling, they fly in to clouds and comment that the wind is making the plane hard to fly. As the crew are making their final turn, they realize they are flying directly into a mountain. What events led to this crash? Find out on this episode of Black Box Down.