Eugene Arnold Diethelm, known as Gene, was 26 and working aboard the fishing vessel Constellation when he was pulled overboard into the northern Pacific Ocean about two miles west of Eliaga Island on September 5, 1986. He was last seen at coordinates 53 degrees 04 minutes north, 169 degrees 49 minutes 88 seconds west. At the time he was wearing a white and brown Woolrich top, a gray hooded sweatshirt, red sweatpants under orange Grunden rain pants, green Joe Mac gloves and deck boots. He was also missing the right pinky finger at the first knuckle, a distinguishing feature noted by people who knew him.

The Alaska State Troopers in Dillingham handled the report of his disappearance. If anyone knew Gene, worked with him on the Constellation, or has information about that area on September 5, 1986, please share what you know.