Chart correction N31/21 — chart 97322
97322 2Ed. 1/9/14 LAST NM N30/21 N31/21 Delete Depth 5.2 meters 33°59′09.1″N 130°49′07.1″E Relocate Buoy “No 2” from 33°57′19.0″N 130°50′23.0″E to 33°57′21.3″N 130°50′32.6″E Add Depth 4.7 meters “Rep (2021)” and enclosing dotted-line circle [I3.2] centered 33°59′07.3″N 130°49′08.9″E (40(683)14, 21(321)21 Tokyo)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 1/9/14
Reference information — always verify against official Notices to Mariners before navigation.