A flat rack comprising, a cargo platform for carrying a load, terminal bulkheads for enclosing the cargo platform and two intermediate bulkheads positioned between the terminal bulkheads at equal distance from the center of gravity of the flat rack. Each of the intermediate bulkheads is equipped with lifting points suitable therefore. Optionally, the distance between the intermediate bulkheads is between 20′ and 40′. More specifically, the distance between the intermediate bulkheads may be 34′. A method for loading or offloading a cargo vessel loaded with a plurality of flat racks. The method comprises operating a crane adapted to lift at least one of the plurality of flat racks as described herein above.