Safe Ships, Safer Seas 2011: Kelvin Hughesâ Athens seminar tackles piracy issues head-on. Thursday 20 October 2011 saw world-leading navigational systems provider Kelvin Hughes present the first in its series of âSafe Ships, Safer Seasâ seminars to an audience in Athens consisting of 100 Greek ship owners, operators and senior executives. Held at the Apollon Divani Spa Hotel, Vouliagmeni, the event went ahead despite national strike action across Greece and was well attended, with a keynote address by George D. Gourdomichalis, President and MD of G.