Chart correction N07/22 — chart 37231

37231 19Ed. 11/12/11 LAST NM N01/22 N07/22 Delete Buoy "OB 30" 53°44′42″N 7°49′25″E Buoy "OB 32" 53°44′56″N 7°49′55″E Buoy "OB 34a" 53°45′15″N 7°50′51″E Relocate Buoy "Robbenloch" from 53°57′43″N 8°18′25″E to 53°57′50″N 8°18′26″E (24(1230), 51(1220)21 Hamburg)

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

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