Coast Guard District 17 was notified about 4:30 p.m. Saturday that a 49-year-old man was discovered missing about 2:30 p.m. He had last been seen 22 hours earlier, at dinner.
Coast Guard Air Station Kodiak responded to a search request with an HC-130 Hercules, which searched 1,500 square miles of the Pacific Ocean for the man.
"The Coast Guard suspended the search because further searching for the man will not improve the probability of success," said Lt. j.g. Eddie Michno, District 17 search and rescue controller in a statement. "Based on the information we received from the vessel the man's functional time in the water of that temperature was about eight hours. This was based on wind and water temperatures only and did not include the six-foot to 10-foot seas encountered throughout the entire search."
The Mol Explorer left Oakland, Calif., about four days ago, en route to Tokyo.
Weather at the time was reported to include one-mile visibility, nine-foot seas, 10 mph wind and a water temperature of 78 degrees.
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