Top Ten List LongestServing Name Length ofService Vessel Region 1 Theo One 11 years,2 months World Europe,Trinidad&Tobago 2 Mason Carter 11 years,2 months Nakatomi Asia,Europe 3 Winston Churchill 11 years,2 months Europe 4 Fred Flintstone O'Malley 11 years Malizia II Africa,Asia 5 Big Hulk 11 years Trinidad&Tobago 6 Berry Picker, Sunshine&Harmony 11 years Titanic Europe 7 Eva Ágústa 11 years Ruby Princess Europe 8 Jón Ásgeir 11 years Europe 9 Emperor Jimmu 神武天皇 11 years World Asia 10 Dionysius Διονύσιος 11 years Titanic Europe