Chart correction N27/20 — chart 37129
37129 7Ed. 10/2/10 LAST NM N26/20 N27/20 Delete Depth 14.1 meters 51°16′54″N 2°39′53″E Depth 18.2 meters 51°17′14″N 2°40′35″E Depth 5.7 meters 51°20′38″N 2°30′45″E Depth 6.1 meters 51°20′59″N 2°31′28″E Depth 6 meters 51°17′08″N 2°39′04″E Add Can topmark to buoy “O6” 51°14′35″N 2°55′03″E Cone topmark to buoy “O5” 51°14′30″N 2°54′56″E Depth 13.3 meters 51°17′06″N 2°40′08″E Depth 5.1 meters 51°20′47″N 2°30′52″E Depth 5.6 meters 51°21′11″N 2°31′16″E Depth 4.7 meters 51°16′58″N 2°38′45″E and extend depth contour (5-meter) NE to enclose Buoy “Dragage Braek” Y, conical, cross topmark [Q130.6] 51°03′32″N 2°15′30″E (20(256)16, 25(303)19, 3(109)20 Oostende; 40(33)19 Brest; BEL CH 102; UKHO ARCS 1350-0)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 10/2/10
Reference information — always verify against official Notices to Mariners before navigation.