Chart correction N10/22 — chart 37121
37121 12Ed. 08/06/11 LAST NM N08/22 N10/22 Delete Depth 7.1 meters 50°58′51″N 1°48′21″E Relocate Buoy "RCA" from 51°00′56″N 1°48′37″E to 51°01′00″N 1°48′31″E and add AIS [S17.2] Substitute Depth 10.4 meters for depth 12.4 meters 50°59′41″N 1°46′57″E Add Depth 9.4 meters, blue tint, and enclosing depth contour (10-meter) centered 50°59′44″N 1°47′07″E Depth 9.7 meters, blue tint, and enclosing depth contour (10-meter) centered 50°59′36″N 1°46′48″E Beacon Y, "X" topmark, Fl(5) Y 20s 2M [Q130.6] 50°59′02″N 1°52′38″E Depth 4.4 meters 50°58′56″N 1°48′36″E Depth 4.5 meters 50°58′44″N 1°48′05″E Depth 3.9 meters 50°58′47″N 1°48′19″E and extend depth contour (5-meter) N to enclose above depths (3) (43(35), 49(35)21 Brest; FRA CH 7323; UKHO ARCS 1351-0)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 08/06/11
Reference information — always verify against official Notices to Mariners before navigation.