Chart correction N40/20 — chart 37231

37231 19Ed. 11/12/11 LAST NM N34/20 N40/20 Relocate Buoy “A4” from 53°54′47″N 8°00′55″E to 53°54′55″N 8°01′03″E (See N49/19) (33(2)20 Hamburg)

Source: NGA U.S. Notice to Mariners · edition: 19Ed. 11/12/11

Reference information — always verify against official Notices to Mariners before navigation.