ABBREVIATION MEANING ICW Intercoastal Waterway : bays, rivers, and canals along the coasts (such as the Atlantic and Gulf of Mexico coasts), connected so that vessels may travel without going into the sea IMDG International Maritime Dangerous Goods Code IMO International Maritime Organisation IN &/OR OVER Goods carried below and/or on deck IND Indication INTERMODAL Carriage of a commodity by different modes of transport, i.e. sea, road, rail and air within a single journey INCOTERMS (Refer to comments in covering statement on front page A-F) ITF International Transport Workers Federation (Trade Unions). Complies on crewing ITINERARY Route.Schedule IU If Used IUHTAUTC If Used, Half Time Actually To Count IWL Institute Warranty Limits KEEL The centreline of a ship running fore and aft; the backbone of a vessel KNOT A measurement of speed equal to one nautical mile (6,076 feet) per hour