Chart editions / corrections
                        * 16693 | 
                    
                            Chart: 6141 | 
                
                        Sweden. Northern Baltic. Stockholm. Ropsten. Buoyage. | 
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| Insert | special purpose light spar buoys Fl Y 3s in position a) and b) | a) | 59-21,550N | 018-06,267E | 
| b) | 59-21,567N | 018-06,233E |