Length BP is a measure of the length of the ship from a perpendicular line from the point the bow of the ship reaches the waterline to a perpendicular line at a point near where the rudder is attached. Breadth moulded is the width of ship. Breadth extreme includes anything that extends off the ship. Usually found in pleasure and passenger ships, not freighters. Gross weight is actually a measure of volume of the ship fully loaded.
Net weight is a measure of the volume of cargo.
Dead weight is a measure of the weight of the ship. News Related Links Lloyd's Register - Information Lloyds Register of Shipping has a database listing commercial ships around the world. International Transport Workers Federation helps stranded sea crews around the world. The CBC and the National do not endorse and are not responsible for the content of any linked documents.