barco boat bow deep v deep vee embarcacion ferry Ferry Boat front hull marine proa prow sea sea going sea worthy ship vessel white yellow car load lorry metal ramp roll roro sail unload vehicle water blue coastline destination ferries island Maddalena mediterranean Sardinia transport travel dry navigation Portugal sand transportation bridge command deck deckhouse direct steer chimney pipe pipes smoke smokestack churn foam porthole waterline captain disembark dock harbour marina passenger Torquay