Chart correction N30/20 — chart 95163
95163 4Ed. 2/24/18 LAST NM N27/20 N30/20 Change Range of light to 11M 36°07′05.3″N 129°26′22.9″E Add Dangerous submerged rock [K13] 35°56′34.3″N 129°32′16.2″E (21(313), 24(374)20 Busan)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 2/24/18
Reference information — always verify against official Notices to Mariners before navigation.