Chart correction N52/21 — chart 37121
37121 12Ed. 08/06/11 LAST NM N50/21 N52/21 Delete Foul ground area in vicinity 51°09′20″N 1°33′57″E Anchorage symbol 50°59′12″N 1°02′50″E Depth 30 meters 50°50′17″N 0°53′41″E Depth 16.6 meters 51°08′41″N 1°29′10″E Depth 23 meters Wk (unsurveyed) 50°50′26″N 0°53′42″E Substitute Depth 21.5 meters Wk [K26] for swept depth 18.9 meters Wk 50°51′35″N 0°56′40″E Depth 36 meters Wk [K26] for depth 30 meters Wk 50°57′53″N 1°23′08″E Add Depth 26.5 meters Wk [K26] 50°50′21″N 0°53′42″E Depth 8.6 meters 51°08′52″N 1°28′56″E Depth 9.7 meters 51°08′51″N 1°28′42″E and extend blue tint and depth contour (10-meter) SW to enclose above depths (2) (44(33), 47(32)21 Brest; 16(1657)13, 21(2517)19 Taunton; UKHO ARCS 1828-0, 1892-0)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 08/06/11
Reference information — always verify against official Notices to Mariners before navigation.