Superyacht Training Efficient Deckhand (EDH) course Approved Engine Course (AEC 1) Human Element, Leadership and Management (HELM) at Operations Level Officer of the Watch – Navigation, Radar and ARPA Officer of the Watch – General Ship Knowledge (GSK) Master Yachts – Advanced Navigation and Radar Master Yachts – Seamanship and Meteorology Master Yachts – Stability Master Yachts – Business and Law