Chart correction 45/20 — chart 632

632 8Ed. 1/15/94 LAST NM 3/20 45/20 Delete Underwater rock (PD), blue tint, enclosing dotted-line circle and legend “North Viper Shoal” in vicinity 8°02′N 115°25′E (36(1334)20 Tianjin; UKHO ARCS 1338-0) 11013 48Ed. 2/12 LAST NM 42/20 45/20 Delete Danger circle “Obstn (82 fms rep)” 24°56.0′N 77°50.0′W Danger circle “Obstn (83 fms rep)” 24°54.0′N 77°48.0′W (NTM0002/2020) ★11451 36Ed. 1/17 LAST NM 43/20 45/20 (Page D, Inset 1) Delete Beacon 25°46′15.9″N 80°10′53.9″W (See 23/20) Add Buoy W Or, Fl 4s 25°46′09.0″N 80°08′32.1″W (37/20 CG7) ★11467 45Ed. 12/19 LAST NM 43/20 45/20 (Side B, Inset 3) Delete Beacon 25°46′15.9″N 80°10′53.9″W Add Buoy W Or, Fl 4s 25°46′09.0″N 80°08′32.1″W (37/20 CG7) ★11468 45Ed. 8/17 LAST NM 43/20 45/20 Delete Beacon 25°46′15.9″N 80°10′53.9″W Add Buoy W Or, Fl 4s 25°46′09.0″N 80°08′32.1″W (37/20 CG7) ★11507 36Ed. 5/15 LAST NM 34/20 45/20 (Side A, XX-YY) Relocate Buoy “50” from 32°05′31.3″N 81°01′16.8″W to 32°05′32.8″N 81°01′19.7″W (35/20 CG7) ★11520 45Ed. 9/13 LAST NM 44/20 45/20 Add Danger circle “Obstn” [K40] 33°42.0′N 78°26.8′W (NOS) ★11521 32Ed. 8/18 LAST NM 41/20 45/20 Add Danger circle “Obstns” [K40] 32°44′38″N 79°34′05″W Danger circle “Obstn” [K40] 32°34′27″N 79°55′07″W Danger circle “Obstn” [K40] 32°31′02″N 80°06′06″W (NOS) ★11522 21Ed. 4/10 LAST NM 44/19 45/20 Add Danger circle “Obstn” [K40] 32°34′27″N 79°55′07″W Danger circle “Obstn” [K40] 32°31′02″N 80°06′06″W (NOS)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 1/15/94

Reference information — always verify against official Notices to Mariners before navigation.