Port Approach Guides have been withdrawn
      
        The UK Hydrographic Office has withdrawn the remainder of its ADMIRALTY Port Approach Guides on 20 April 2023, bringing the portfolio to a close.
RELATED INFORMATION
      
                                    
            ADMIRALTY Planning Charts
      
                            
            Planning charts to help improve situational awareness on the bridge
                                    
            ADMIRALTY Maritime Security Charts
      
                            
            Safety-critical information to assist passage planning through high risk areas
                                    
            ADMIRALTY Mariners' Routeing Guides
      
                            
            Routeing information for the world's busiest and most complex shipping routes
