А-300-538 is a project by Russian aviation company, JSC
Alekseyev Central Hydrofoil Design Bureau, for a double decker
ekranoplan
A ground-effect vehicle (GEV), also called a wing-in-ground-effect (WIGE or WIG), ground-effect craft/machine (GEM), wingship, flarecraft, surface effect vehicle or ekranoplan (), is a vehicle that is able to move over the surface by gaining su ...
with a maximum takeoff weight of 350 metric tons and a payload of 64 metric tons or 550 passengers over 3000 km.
References
Ekranoplans
Proposed aircraft of Russia
A-300-538
Seven-engined jet aircraft
Low-wing aircraft
T-tail aircraft
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