Chart correction N39/21 — chart 37164
37164 6Ed. 8/31/13 LAST NM N34/21 N39/21 Add Buoy “WF-HZ-2E” BYB, pillar, double cone topmark bases together, VQ(3) W 5s [Q130.3] 52°17′44″N 4°03′35″E Buoy “WF-HZ-1S” YB, pillar, double cone topmark points downward, VQ(6) + L Fl W 10s [Q130.3] 52°20′50″N 4°04′29″E Buoy “WF-HZ-1E” BYB, pillar, double cone topmark bases together, VQ(3) W 5s [Q130.3] 52°21′52″N 4°10′14″E Buoy “WF-HZ-1N” BY, pillar, double cone topmark points upward, VQ W [Q130.3] 52°23′43″N 4°02′40″E (30(266)21 Den Haag)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 8/31/13
Reference information — always verify against official Notices to Mariners before navigation.