Chart correction 29/21 — chart 24431
24431 14Ed. 4/1/95 LAST NM 27/21 29/21 Delete Platform 10°26′27″N 64°13′58″W Submarine pipeline between 10°51′45″N 64°03′36″W 10°39′00″N 64°03′35″W Submarine pipeline between 10°51′45″N 64°03′38″W 10°39′01″N 64°03′38″W Relocate Buoy from 10°39′55″N 64°19′15″W to 10°39′27″N 64°19′25″W Change Light to Fl W 4s 22m 6M 10°57′52″N 63°47′29″W Add Light Fl W 12s 61m 25M 10°28′05″N 64°11′31″W Submarine pipeline [L40.1] with legend “SEE Note” between 10°51′31″N 64°02′25″W 10°38′07″N 64°05′35″W Note in center bottom margin of chart “SUBMARINE PIPELINES Mariners are advised not to anchor or trawl in the vicinity of pipelines. Pipelines are not always buried and their presence may significantly reduce the charted depth. They may also span seabed undulations and cause fishing gear to become irrecoverably snagged, putting a vessel in severe danger.” Double ball topmark to buoy 10°53′15″N 64°03′53″W Light Fl W 10s 15m 12M 10°58′29″N 63°49′06″W Light Fl W 10s 60m 11M 10°56′54″N 63°49′00″W Depth 18.1 meters 10°51′42″N 63°50′44″W and extend depth contour (20-meter) N to enclose (Plan A) Add Light Fl W 12s 61m 25M 10°28′04.8″N 64°11′31.0″W (Plan B) Delete Submarine pipeline joining 10°51′39.9″N 64°03′38.7″W 10°51′32.6″N 64°03′37.0″W 10°48′48.0″N 64°03′37.6″W Submarine pipeline joining 10°51′39.6″N 64°03′40.1″W 10°51′32.7″N 64°03′40.7″W 10°48′48.0″N 64°03′41.3″W Add Double ball topmark to buoy “Guamache” 10°53′14.7″N 64°03′53.2″W (21(2535)15, 38(4695), 46(5750, 5853)16, 4(343)17, 15(1853), 18(2318)20 Taunton; UKHO ARCS 230-0)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 4/1/95
Reference information — always verify against official Notices to Mariners before navigation.