In the Mediterranean world, the symbolism of the rudder continued to embrace the ideas of abundance and prosperity. In Hellenic lands, the rudder was a symbol of Agathe Tyche (Good Fortune). In Rome, it was the emblem of the Goddess Fortuna—and both Goddesses were intimately connected with Isis. In fact, of all the Goddesses in the areas influenced by Greece and Rome, Isis was the one Deity with Whom Agathe Tyche and Fortuna were most consistently assimilated.
Asking Isis for Guidance
Glyn Hnutu-healh: History, Alchemy, and Me 