Mobile offshore apparatus (224, 324), in particular, a watercraft (224, 324), for landing at a further offshore apparatus comprising: - at least one hull device (228, 328), - at least two hydrofoil devices (100, 200, 300) connected to the hull device (228, 328), wherein each hydrofoil device (100, 200, 300) comprises: - at least one base body (102, 202, 302) with at least one connection unit (104, 304), which is configured to connect the hydrofoil device (100, 200, 300) to the mobile offshore apparatus (224, 324), - at least one hydrofoil (106, 206, 306) arranged on the base body (102, 202, 302), - at least one flow generator (108, 208, 308) arranged on the base body (102, 202, 302), which is configured to generate a surround flow (110, 310) of the hydrofoil (106, 206, 306), - wherein the hydrofoil device (100, 200, 300), in its intended use, is rotatable about at least one substantially vertical axis of rotation (114, 314) as a function of at least one providable control data set, and - at least one control unit (232, 332) which is configured to provide the at least one control data set, characterized in that - at least one guide plate is connected to the hull device (228, 328), such that the guide plate is arranged between the at least two hydrofoil devices (100, 200, 300), - wherein the guide plate is movable at least in a vertical direction.. - at least one hull device (228, 328), - at least two hydrofoil devices (100, 200, 300) connected to the hull device (228, 328), wherein each hydrofoil device (100, 200, 300) comprises: - at least one base body (102, 202, 302) with at least one connection unit (104, 304), which is configured to connect the hydrofoil device (100, 200, 300) to the mobile offshore apparatus (224, 324), - at least one hydrofoil (106, 206, 306) arranged on the base body (102, 202, 302), - at least one flow generator (108, 208, 308) arranged on the base body (102, 202, 302), which is configured to generate a surround flow (110, 310) of the hydrofoil (106, 206, 306), - wherein the hydrofoil device (100, 200, 300), in its intended use, is rotatable about at least one substantially vertical axis of rotation (114, 314) as a function of at least one providable control data set, and - at least one base body (102, 202, 302) with at least one connection unit (104, 304), which is configured to connect the hydrofoil device (100, 200, 300) to the mobile offshore apparatus (224, 324), - at least one hydrofoil (106, 206, 306) arranged on the base body (102, 202, 302), - at least one flow generator (108, 208, 308) arranged on the base body (102, 202, 302), which is configured to generate a surround flow (110, 310) of the hydrofoil (106, 206, 306), - wherein the hydrofoil device (100, 200, 300), in its intended use, is rotatable about at least one substantially vertical axis of rotation (114, 314) as a function of at least one providable control data set, and - at least one control unit (232, 332) which is configured to provide the at least one control data set, - at least one guide plate is connected to the hull device (228, 328), such that the guide plate is arranged between the at least two hydrofoil devices (100, 200, 300), - wherein the guide plate is movable at least in a vertical direction..