A vessel with heavy lift cranes and other equiptment designed to be sef-sustaining in the handling of heavy cargo.
                                                            
                                                     
                        
                                                
                        
                        
                            A vessel specifically designed to be self-sustaining with heavy lift cranes to handle unusually heavy or outsized cargoes.
                                                            
                                                     
                        
                                                
                        
                        
                            A vessel with heavy lift cranes and other equipment designed to be self-sustaining in the handling of heavy cargo.