SEMI-IMMERSIBLE HEAVY-LIFT CARGOBOAT

摘要

The invention relates to a semi-immersible heavy-lift cargoboat with floodable and freeable bottom and side tanks for loading and unloading cargo according to the float-on/float-off and/or roll-on/roll-off method. Said cargoboat also comprises a diesel-electric driving arrangement. Said heavy-lift cargoboat is provided with diesel engines being the main engines. Said diesel engines drive at least one azimuth rudder propeller. A lateral thrust installation is provided in the forebody in order to improve manoeuvrability. The trimmed attitude can be trimmed in relation to the cargo by placing water ballasting in the upper and lower tanks.