Chart correction N27/23 — chart 94203
94203 11Ed. 03/19/16 LAST NM N26/23 N27/23 Add Platform (unlighted) [L10] 30°26′16″N 121°56′06″E Platform (unlighted) [L10] 30°42′22″N 122°00′36″E Submarine power cable [L31.1] joining 30°27′35″N 121°50′00″E 30°26′56″N 121°54′32″E 30°26′16″N 121°56′06″E 30°25′59″N 121°56′10″E 30°20′32″N 121°56′08″E 30°20′06″N 121°56′19″E Submarine power cable [L31.1] joining 30°26′16″N 121°56′06″E 30°26′40″N 121°56′52″E 30°28′36″N 121°56′52″E 30°36′26″N 121°56′19″E 30°36′53″N 121°57′27″E 30°40′23″N 121°59′26″E 30°41′17″N 122°00′55″E 30°41′45″N 122°01′02″E 30°42′22″N 122°00′36″E (14(391, 392), 15(422, 423)23 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 11Ed. 03/19/16
Reference information — always verify against official Notices to Mariners before navigation.