Chart correction N51/21 — chart 51500

51500 8Ed. 09/02/17 LAST NM N17/21 N51/21 (Plan) Delete Depth 3.6 meters 16°53′02.7″N 24°59′31.4″W Depth 8.3 meters 16°53′23.4″N 24°59′49.1″W Depth 7.8 meters 16°53′05.3″N 24°59′55.6″W Depth 6.8 meters 16°53′23.2″N 24°59′45.5″W Depth 13 meters 16°53′22.0″N 24°59′50.7″W Depth 16.1 meters 16°53′19.3″N 25°00′10.9″W Depth 13.6 meters 16°53′08.7″N 25°00′10.0″W Depth 17.8 meters 16°53′24.0″N 25°00′13.0″W Depth 12.8 meters 16°53′10.5″N 25°00′04.7″W Substitute Depth 10.9 meters for depth 12.1 meters 16°53′21.2″N 24°59′45.4″W Add Depth 16.7 meters 16°53′25.6″N 25°00′11.6″W Depth 15.5 meters 16°53′18.8″N 25°00′12.8″W Depth 12.2 meters 16°53′08.6″N 25°00′08.5″W Depth 11.1 meters 16°53′20.4″N 24°59′48.8″W Depth 2.4 meters 16°53′03.9″N 24°59′32.3″W Depth 4.8 meters enclosed by depth contour (5-meter) centered 16°53′05.6″N 24°59′48.1″W Depth 4.8 meters enclosed by depth contour (5-meter) centered 16°53′08.1″N 24°59′41.5″W Depth 4.9 meters enclosed by depth contour (5-meter) centered 16°53′24.0″N 24°59′46.8″W (10(315)21 Lisboa)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 09/02/17

Reference information — always verify against official Notices to Mariners before navigation.