Chart correction N33/20 — chart 71256
71256 2Ed. 7/28/07 LAST NM N28/20 N33/20 Substitute Depth 50 meters Wk [K26] for 42 meters Wk 1°14′50″N 103°55′37″E Depth 40 meters Wk [K26] for 33 meters Wk 1°14′51″N 103°55′21″E (6(29)20 Singapore)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 7/28/07
Reference information — always verify against official Notices to Mariners before navigation.