Chart editions / corrections
| * 17929 | Chart: 612 | 
| Sweden. Northern Baltic. Stockholm archipelago. W of Svartlöga. Depths. | |
| 
 | 
| Insert | sounding out of position 5,2 | a) | 59-33,958N | 018-59,358E | 
| Insert | 6 m depth contour to encircle pos a) according to chartlet | |||
| Amend | 6 m depth contour to encircle positions b), c) and d) according to chartlet | |||
| b) | 59-34,111N | 018-59,368E | ||
| c) | 59-34,191N | 018-59,412E | ||
| d) | 59-34,184N | 018-59,254E | ||
| Delete | depth 7,7 | e) | 59-34,284N | 018-59,472E | 
| Delete | depth 10,3 | f) | 59-34,551N | 018-59,549E | 
| Insert | depth 4,3 | g) | 59-34,566N | 018-59,703E | 
| Amend | 6 m depth contour to encircle positions e), f) and g) according to chartlet | 
| New soundings W of Svartlöga island | 
