Breadth extreme :The greatest breadth of the ship, measured to the outside of the shell plating.īreadth moulded :The greatest breadth of the ship, measured to the inside of the inside strakes of shell plating.ĭepth extreme :The depth of the ship measured from the underside of the keel to the top of the deck beam at the side of the uppermost continuous deck amidships.ĭepth moulded : The depth measured from the top of the keel.ĭraught extreme : The distance from the bottom of the keel to the waterline.