Chart correction N12/20 — chart 37222
37222 15Ed. 5/12/18 LAST NM N11/20 N12/20 Delete Buoy “L 2a” 53°32.30′N 6°58.30′E Buoy “L 4” 53°32.22′N 6°58.65′E Buoy “L 6” 53°32.20′N 6°59.22′E (7(90)20 Hamburg) ★37246 17Ed. 1/25/20 NEW EDITION N12/20 (NGA)
Source: NGA U.S. Notice to Mariners · edition: 15Ed. 5/12/18
Reference information — always verify against official Notices to Mariners before navigation.