Chart correction N15/21 — chart 37226
37226 19Ed. 3/9/13 LAST NM N14/21 N15/21 Delete Depth 10.3 meters 53°53′25″N 8°42′32″E (See N47/20, N1/21) Substitute Beacon Y (unlit) with legend “ODAS” for pole 53°55′36″N 8°38′58″E (See N4/21) Add Depth 9.8 meters 53°53′27″N 8°42′30″E and extend depth contour (10-meter) W to enclose (Plan) Delete Depth 10.3 meters 53°53′25.1″N 8°42′31.9″E Depth 15.4 meters 53°53′31.6″N 8°42′21.9″E Add Depth 9.8 meters enclosed by depth contour (10-meter) centered 53°53′27.2″N 8°42′30.0″E Depth 12.9 meters 53°53′32.0″N 8°42′21.9″E (48(1611)20, 5(1610)21 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 3/9/13
Reference information — always verify against official Notices to Mariners before navigation.