Chart correction N52/20 — chart 97356
97356 2Ed. 10/20/16 LAST NM N49/20 N52/20 Add Submarine power cable [L31.1] joining 33°10′05.0″N 129°37′22.0″E 33°09′16.3″N 129°37′11.8″E 33°08′58.0″N 129°36′52.0″E (43(801)20 Tokyo)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 10/20/16
Reference information — always verify against official Notices to Mariners before navigation.