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In 1966, a Boeing 707 operated by the British Overseas Airways Corporation took off from Tokyo en route to Hong Kong. It was a sunny, cloudless afternoon, but as the plane approached Mt. Fuji a violent wind struck it from the northwest. The gust tore the vertical fin from the tail and hurled it into the left horizontal stabilizer, which broke off in turn. As the plane twisted upward, the air pressure wrenched off another tail fin. All four engines were ripped from the wings, sending the plane spinning toward the mountain’s flank. The fuel tanks ruptured, and the entire tail section fell off, along with the right wing. By the time the plane crashed, in a forest at thirty-five hundred feet, its fuselage had broken in two and a trail of debris ten miles long stretched behind it.