Chart correction 12/21 — chart 73581

73581 4Ed. 8/15/98 LAST NM 4/21 12/21 Delete Depth 22 meters 9°31′57.5″S 147°08′10.6″E Substitute Depth 15.5 meters for 18.5 meters 9°30′07.5″S 147°09′08.1″E Depth 2.4 meters for 3.9 meters 9°31′10.2″S 147°07′58.1″E Depth 15 meters, blue tint and enclosing depth contour (15-meter) for 16.7 meters 9°30′12.0″S 147°10′04.1″E Depth 23 meters for 25.5 meters 9°31′18.7″S 147°09′57.8″E Depth 23.5 meters for 27.5 meters 9°33′03.3″S 147°15′33.6″E Add Depth 14.6 meters, blue tint and enclosing depth contour (15-meter) centered 9°31′57.4″S 147°08′12.8″E Depth 29 meters enclosed by depth contour (30-meter) centered 9°32′44.9″S 147°11′49.5″E Depth 13.4 meters 9°32′22.8″S 147°09′06.1″E and extend depth contour (15-meter) and blue tint N to enclose Depth 26 meters 9°32′08.0″S 147°10′52.4″E Depth 35 meters 9°33′53.6″S 147°15′12.2″E (AUS CH PNG621)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 8/15/98

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