Chart correction N15/21 — chart 37228
37228 15Ed. 2/16/13 LAST NM N14/21 N15/21 (Plan) Add Buoy YB, pillar, double cone topmark points downward, VQ(6) + L Fl W 10s [Q130.3] 53°53′14.5″N 9°08′03.5″E (22(42)20 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 15Ed. 2/16/13
Reference information — always verify against official Notices to Mariners before navigation.