Chart correction N18/23 — chart 44076
44076 4Ed. 02/18/12 LAST NM N12/23 N18/23 Relocate Buoy "AS 3/22" from 54°09′39.6″N 12°06′25.6″E to 54°09′44.9″N 12°06′17.7″E (See N38/22, N12/23) Add Buoy "LO W" YBY, spar, double cone topmark points together [Q130.3] 54°06′59.1″N 12°05′50.6″E (Inset) Add Buoy "LO W" YBY, spar, double cone topmark points together [Q130.3] 54°06′59.1″N 12°05′50.6″E (12(2312)23 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 02/18/12
Reference information — always verify against official Notices to Mariners before navigation.