A U.S. Coast Guard helicopter from Astoria participated in the search for a missing jet skier off the North Oregon Coast near Seaside, Tuesday, Dec. 30th.  According to reports, the USCG MH-60 Helicopter crew was on a training mission when it spotted an overturned jet ski in the ocean waters off Seaside about 3 p.m.  A search of the area turned up no one in distress.  However, Seaside PD reported later that the jet skier operator’s body had washed up on shore.  Police have not released the name of the victim.