Chart correction N18/21 — chart 43371
43371 14Ed. 5/28/16 LAST NM N51/20 N18/21 (Plan) Add Submarine cable [L30.1] joining 59°36′18.8″N 10°24′44.2″E 59°36′19.3″N 10°24′49.7″E 59°36′12.1″N 10°25′21.0″E 59°36′26.9″N 10°25′58.9″E 59°36′36.0″N 10°26′11.5″E (2(63800)21 Stavanger)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 5/28/16
Reference information — always verify against official Notices to Mariners before navigation.