Chart correction N16/23 — chart 44052
44052 2Ed. 09/04/10 LAST NM N46/22 N16/23 Add Buoy Y, spar, "X" topmark, Fl(3) Y 10s [Q130.6] 56°08′17.2″N 10°14′39.0″E Buoy Y, spar, "X" topmark, Fl(3) Y 10s [Q130.6] 56°08′32.3″N 10°15′52.2″E Buoy Y, spar, "X" topmark, Fl(3) Y 10s [Q130.6] 56°08′48.7″N 10°15′33.4″E (10(86)23 Norresundby)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 09/04/10
Reference information — always verify against official Notices to Mariners before navigation.