Chart correction N40/22 — chart 54083
54083 5Ed. 11/24/12 LAST NM N23/22 N40/22 Delete Depth 19.3 meters Wk 40°40′13.6″N 17°57′36.9″E Depth 42 meters Wk 40°40′05.8″N 18°00′06.7″E Depth 9.6 meters Wk 40°39′55.2″N 17°58′00.6″E (See N23/22) (17(7)22 Genova)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 11/24/12
Reference information — always verify against official Notices to Mariners before navigation.