Chart correction 1876 — chart 4603
Chart 4603 (INT 603) [ previous update 1573/26 ] WGS84 DATUM Insert depth, 442, and extend 1000m approximate contour S to enclose (a) 2° 06´·0S., 124° 29´·5E. Delete depth, 1494, close E of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.