Chart correction N13/21 — chart 37163

37163 21Ed. 6/23/12 LAST NM N50/20 N13/21 (Panel A) Relocate Buoy “NK 5” from 52°28′00.2″N 4°34′40.9″E to 52°28′01.2″N 4°34′44.4″E Change Buoy “Zk 4” to “ZK 4” R, spar, Iso R 4s 52°27′52.0″N 4°34′18.0″E (7(67)21 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 21Ed. 6/23/12

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