Thin solid walls on the sides of the air-cushion vehicle that extend into the water provide a better seal, but destroy the amphibious nature of the vehicle.
Amadonga angqingqwa anciphileyo emacaleni esithuthi sokhuseleko somoya aphumela emanzini anika itywina elilungileyo kodwa libulala ukuhamba emhlabeni nasemanzini kwendalo yesithuthi.