Bake and cool ship cake and 3 mini loaf cakes. On foil-wrapped board position ship cake and 3 mini cakes at bottom edge, end to end. Ice sides, deck, portholes, background areas of ship and wave section smooth. Using tip 4, outline deck. Using tip 12, outline mast, boomlines and portholes. Outline and pipe in sails with tip 5 (pat smooth with finger dipped in cornstarch). Ice crow's nest smooth; outline with tip 5. Outline and pipe in tip 3 small flag and tip 4 large flag. Using tip 3 add skulls and crossbones; pipe tip 1 facial features. Cover ship with tip 21 stripes. Using tip 1, pipe skeletons with bandanas in portholes. Pipe tip 5 bead bottom border.