Chart correction N52/21 — chart 54043
54043 3Ed. 07/18/15 LAST NM N09/21 N52/21 Delete Depth 9.9 meters Obstn 43°37′47.7″N 13°30′34.7″E Depth 2 meters Obstn 43°37′50.5″N 13°30′25.9″E Depth 9.8 meters Obstn 43°37′45.9″N 13°30′39.6″E Depth 9.7 meters Obstn 43°37′50.0″N 13°30′29.6″E (See N7/21) (23(11)21 Genova)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 07/18/15
Reference information — always verify against official Notices to Mariners before navigation.