Chart correction 17/23 — chart 507
★507 (INT 507) 2Ed. 09/14/96 LAST NM 15/23 17/23 Add Depth 608 meters enclosed by depth contour (1000-meter) centered 3°58′N 131°20′E (NTM0005/2023)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 09/14/96
Reference information — always verify against official Notices to Mariners before navigation.