There are already outline proposals available for the following stages of development that envisage air-cushion vehicles having all-up weights of 1,000 to 5,000 tons, or even up to 15,000 tons.
Sekukho iingcebiso ezikhoyo ezibekiweyo zomgangatho olandelayo wenkqubela- phambili, eyenza ukuba izithuthi zokhuselo-moya zizimisele ukuba nobukhulu obuliwaka mangaphezulu ukuya kutsho kumawaka alishumi alinesihlanu leetoni.