American Bureau of Shipping, Bureau Veritas, China Classification Society, DNV-GL, Indian Register of Shipping, Korean Register of Shipping, Lloyd's Register of Shipping, NK, Registro Italiano Navale, Russian Maritime Register of Shipping
つり上げ荷重
2 t, 3 t, 4 t, 5 t (2.2 us ton, 3.3 us ton, 4.4 us ton, 5.5 us ton)