Chart correction N1/21 — chart 62404
62404 5Ed. 3/31/18 LAST NM N52/20 N1/21 Delete Depth 16.3 meters 24°17′23″N 52°39′50″E Substitute Depth 1.3 meters for 9.4 meters 24°17′07″N 52°38′10″E and extend depth contour (2-meter) S to enclose Depth 11 meters for 12.2 meters 24°16′58″N 52°38′22″E Depth 12.5 meters for 13.7 meters 24°17′39″N 52°39′37″E Depth 10.4 meters for 12.2 meters 24°17′40″N 52°40′09″E Change Period of light to 3s 24°16′00″N 52°36′30″E Add Light Fl Y 5s to beacon 24°16′21″N 52°36′40″E Depth 12.6 meters 24°17′25″N 52°39′54″E (UKHO ARCS 3778-0)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 3/31/18
Reference information — always verify against official Notices to Mariners before navigation.