Chart correction 47/20 — chart 97440
97440 8Ed. 6/21/97 LAST NM 45/20 47/20 Delete Submarine cable joining 31°06.0′N 130°02.8′E 31°02.0′N 130°08.0′E 31°00.0′N 130°21.9′E 30°53.0′N 130°51.9′E 30°58.5′N 131°03.4′E 31°02.0′N 131°07.9′E 31°06.0′N 131°48.9′E (24(476)14 Tokyo)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 6/21/97
Reference information — always verify against official Notices to Mariners before navigation.