11.1 The Company should establish and maintain procedures to control all documents and data which are relevant to the safety management system.
11.2 The Company should ensure that:
.1 valid documents are available at all relevant locations; and
.2 changes to documents are reviewed and approved by authorized personnel;
.3 obsolete documents are promptly removed.
11.3 The documents used to describe and implement the safety management system may be referred to as the Safety Management Manual. Documentation should be kept in a form that the Company considers most effective. Each ship should carry on board all documentation relevant to that ship.