Chart correction N31/21 — chart 95341
95341 9Ed. 11/29/08 LAST NM N27/21 N31/21 Relocate Buoy “No 4” from 33°58′33″N 130°50′11″E to 33°58′33″N 130°50′02″E Buoy “No 6” from 33°57′52″N 130°50′14″E to 33°57′55″N 130°49′54″E (4(141)10 Tokyo)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 11/29/08
Reference information — always verify against official Notices to Mariners before navigation.