Chart correction 14/21 — chart 521

★521 11Ed. 7/18/81 LAST NM 24/18 14/21 Delete Depth 720 fathoms and enclosing depth contour (1000-fathom) in vicinity 19°37′N 160°16′E Add Depth 360 fathoms enclosed by depth contour (1000-fathom) centered 9°44′N 160°20′E Depth 615 fathoms enclosed by depth contour (1000-fathom) centered 19°37′N 162°14′E Depth 576 fathoms enclosed by depth contour (1000-fathom) centered 19°39′N 160°09′E Depth 547 fathoms enclosed by depth contour (1000-fathom) centered 14°21′N 165°50′E (NTM0004/2021)

Source: NGA U.S. Notice to Mariners · edition: 11Ed. 7/18/81

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