Chart correction N7/21 — chart 57163

57163 4Ed. 5/1/10 LAST NM N6/21 N7/21 Delete Position circle “Pipe” 4°21′08.9″N 8°18′36.4″E Relocate Buoy “1” from 4°20′44.6″N 8°15′42.0″E to 4°20′47.7″N 8°16′03.2″E Substitute Platform (lighted) “UKPAM” [L2] for position circle “Pipe” 4°21′17.8″N 8°18′25.7″E Suspended well [L21.1] (PA) for depth 5.5 meters 4°23′27.1″N 8°21′23.6″E Add “Anchoring Prohibited” area [N20] bound by purple composite line joining 4°16′00.0″N 8°21′13.0″E 4°16′56.4″N 8°21′20.3″E 4°16′57.0″N 8°22′22.1″E 4°18′48.5″N 8°22′21.3″E 4°19′59.9″N 8°22′41.4″E 4°22′44.0″N 8°23′29.0″E 4°23′48.0″N 8°23′48.0″E 4°26′54.0″N 8°24′12.0″E 4°24′24.0″N 8°31′18.0″E Note: Area extends beyond chart border Submarine pipeline [L41.1] joining 4°20′36.7″N 8°21′36.0″E 4°21′00.9″N 8°21′36.1″E 4°21′42.0″N 8°21′58.0″E 4°21′36.3″N 8°22′03.2″E 4°21′19.2″N 8°21′48.3″E 4°20′27.3″N 8°21′50.3″E 4°19′04.9″N 8°22′01.9″E 4°18′58.2″N 8°21′57.0″E Submarine pipeline [L40.1] between 4°21′17.8″N 8°18′25.7″E 4°21′06.3″N 8°18′34.3″E Suspended well [L21.1] (PA) 4°24′54.1″N 8°22′48.6″E Suspended well [L21.1] (PA) 4°24′21.7″N 8°22′23.1″E Suspended well [L21.1] (PA) 4°22′34.5″N 8°18′28.4″E Suspended well [L21.1] (PA) 4°21′23.6″N 8°20′11.9″E Suspended well [L21.1] (PA) 4°20′21.3″N 8°20′02.5″E Submerged well [L20] 4°21′06.3″N 8°18′34.3″E Buoy “4” R, can 4°25′27.3″N 8°19′23.7″E Danger circle “Obstn” [K40] 4°16′36.6″N 8°14′27.2″E Dangerous wreck [K28] (PA) 4°26′20.6″N 8°25′00.6″E (24(2695)17 Taunton; UKHO ARCS 3433-0)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 5/1/10

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