A line perpendicular to the base line intersecting the after edge of the stern post at the designed water line. On submarines or ships having a similar stern, it is a vertical line passing through the point where the designed water line intersects the stern of the ship.
Umgca othe ngqo kosisiseko onqamleza emva komphetho (inyele) wentsika yomva wenqanawe kumgca owalathiweyo wamanzi. Kwiinkwili okanye iinqanawe ezinomva ofanayo, ingumgca othe nkqo ogqitha kwindawo apho umgca owalathiweyo wamanzi onqamleza umva wenqanawe.