Chart correction N37/23 — chart 37226
37226 19Ed. 03/09/13 LAST NM N35/23 N37/23 Delete Buoy "Robbenloch" 53°57′50″N 8°18′26″E Add Buoy "Nordertill" RW, spar, ball topmark [Q130.5] 53°54′45″N 8°21′42″E (See N23/23) (34(1220)23 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 03/09/13
Reference information — always verify against official Notices to Mariners before navigation.