6.1.1 Adequate spare parts for the propelling and essential auxiliary
                                 machinery, together with the necessary tools for maintenance and repair, are to be
                                 readily available for use.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              6.1.2 The spare parts to be supplied and their location is to be the
                                 responsibility of the Owner, but they must take into account the design and
                                 arrangement of the machinery and the intended service and operation of the unit.
                                 Account must also be taken of the recommendations of the manufacturers and any
                                 applicable requirement of the relevant Administration.