Chart correction 33/20 — chart 71440
71440 2Ed. 1/18/03 LAST NM 28/20 33/20 Substitute Depth 50 meters Wk [K26] for 43 meters Wk 1°14.9′N 103°55.7′E Add Depth 33 meters Wk [K26] 1°14.9′N 103°55.3′E (6(29)20 Singapore)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 1/18/03
Reference information — always verify against official Notices to Mariners before navigation.