Chart correction 2/21 — chart 44420

44420 7Ed. 7/3/10 LAST NM 40/20 2/21 Add Buoy ODAS [Q58] Y, spherical, Fl(5) Y 20s 57°25.4′N 18°59.7′E Depth 57 meters Wk [K26] 57°12.3′N 18°56.4′E Depth 50 meters Wk [K26] 57°14.7′N 18°55.5′E Depth 46 meters Wk [K26] 57°17.5′N 18°57.4′E Depth 76 meters Wk [K26] 57°25.9′N 19°17.4′E Depth 57 meters Obstn [K41] 57°30.9′N 19°12.8′E Depth 63 meters Obstn [K41] 57°24.6′N 19°10.6′E Depth 12 meters, blue tint and enclosing depth contour (20-meter) centered 56°29.7′N 18°20.5′E (331(6843)10, 489(9070)14, 714(13132)18 Norrkoping)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 7/3/10

Reference information — always verify against official Notices to Mariners before navigation.