A larger hovering height is required for short waves or for breaking seas, since it is necessary to ensure that the wave crests do not strike the bottom of the craft.
Ubukhulu benqwelo etshitshiliza phezu kwamanzi buyafuneka kumaza amafutshane okanye ukwenzela ukophula iilwandle kuba kuyimfuneko ukuqinisekisa ukuba amaza encochoyini phezulu awalwi nomzantsi wenqwelo etshtshilizayo.