A condition of loading in which it becomes necessary to fill all or part of the ballast tanks in order to secure proper immersion, stability, and steering qualities brought about by consumption of fuel, stores, and water or lack of part or all of the designed cargo.
Imeko yokulayisha apho kuba yimfuneko ukuzalisa inxenye okanye zonke iitanki zobunzima ukuze kuzuze ukutshona okukuko, uzinzo, ukuqhuba kodidi oluphezulu okudalwa kukusetyenziswa kwezibaso, iindawo zokugcina, namazi okanye ukusilela kwenxenye okanye ukusilela kwawo wonke umthwalo wesithuthi olungiselelweyo.