submarine

Abstract

The invention relates to an autonomous energy-self-sufficient submersible boat (1) comprising a hull (4), a bow (5), a stern (6) and a propulsion unit (7) preferably designed as an underwater propeller, wherein the hull (4) comprises an upper deck, an intermediate deck (8) and at least one equalization tank, wherein the hull (4) comprises a shell (2) movable along the hull (4), wherein the movable shell (2) is movable between a closed state and an open state, wherein the movable shell (2) in the closed state forms the upper deck and liquid-tightly encloses the intermediate deck (8).