Chart correction 31/21 — chart 71243
71243 6Ed. 1/12/08 LAST NM 27/21 31/21 Change Shape of buoy to can 1°06′14″N 104°09′37″E (UKHO ARCS 3937-2) NM 31/21 SECTION I I-1.10
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 1/12/08
Reference information — always verify against official Notices to Mariners before navigation.