Chart correction 1771 — chart 2128
Chart 2128 [ previous update 1760/23 ] UNDETERMINED DATUM Delete ¶ Fl.5s9M 50° 56´·3N., 156° 46´·6E. Wk01/24 2.15 II 42 PHILIPPINE ISLANDS - Palawan - Light. Source: Philippine Notice 3/46/23
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.