BOSTON — U.S. Coast Guard watchstanders received a notification that a Maine mariner was in distress near Cartagena, Columbia, March 22, 2012. Coast Guard 1st District watchstanders received notification from the 69-year old Belfast mariner’s daughter via phone call. The lone mariner contacted an acquaintance, after his 27-foot sailing vessel, Amity, began taking on water approximately 10-miles...