Амфибийный катер

[Joker]

контекст
упрощенная модификация экраноплана - амфибийный катер "Волга II"

[D-50]

airfoil boat, hovercraft, just a wild guess

[Juliza]

amphibious vehicle

http://www.google.com/search?hl=en&lr=&q=amphibious+vehicle&btnG=Search

[Juliza]

http://digilander.libero.it/cuoccimix/ENGLISH-automotorusse6(gaz).htm

[Joker]

thanks for suggestions.
Actually, it is a wing-in-ground craft, which is a variety of ground effect vehicles.
Hovercraft is a bit different - that's судно на воздушной подушке
Anyway, thanks for your effort