Chart editions / corrections
| * 17483 | Chart: 536 | 
| Sweden. Sea of Åland and Archipelago Sea. NE of Hargshamn. Singö. Lights. Characters. | |
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| Amend | character from ISO WRG 3s 8M | to Fl(3) WRG 6s 8M | a) | 60-12,23N | 018-50,54E | Light 'Stor-Korssten' | 
| Amend | character ISO WRG 3s | to Fl(2) WRG 6s | b) | 60-13,96N | 018-45,98E | Light 'Skogsskär' | 
| Amend | character ISO WRG 3s | to VQ(10) WRG 9s | c) | 60-14,31N | 018-41,69E | Light 'Vässarögrund' | 
| Adm LoL. C6259-6 Adm LoL. C6261 | 
