Australia discovers an unmanned "ghost ship" at sea

On April 21, 2007, a patrol helicopter of the Australian Customs discovered a mysterious yacht in the northeastern sea areas of Australia. The yacht was fully equipped and there were even meals on the dining table, but there was not a soul on board. The 13-meter long yacht was found in the sea areas near Townsville, a port city in northeast Australia. At that time, the yacht was about 80 nautical miles away from the coast. When the customs helicopter found the yacht, it was drifting with the waves and there was no one on board. The police then boarded the yacht for an inspection. An official of the Queensland Emergency Management Office who was involved in the investigation said that the rescuers originally thought that a maritime disaster had occurred. But when they boarded the yacht, they%