| 1 | 1,484 d | Spills | Oil spill response operations are ongoing near 59-27.04N 006-31.23W until further notice. Wide berth requested. Eastern North Atlantic · Scotland · North Atlantic Ocean | HYDROLANT 1828/22 2022-07-21 → 2026-08-14 |
| 2 | 911 d | Spills | Salvage and oil spill response operations are ongoing near 11-08.07N 060-46.55W, Trinidad and Tobago, eastern Caribbean Sea; wide berth requested. Eastern Caribbean Sea · Caribbean Sea | NAVAREA IV 177/24 2024-02-15 → 2026-08-14 |
| 3 | 902 d | Spills | Oil spill response operations in Caribbean Sea near Netherlands Antilles at 12-42.15N 068-05.56W and 12-25.00N 067-46.00W; wide berth requested. Caribbean Sea · Netherlands Antilles · Caribbean Sea | NAVAREA IV 206/24 2024-02-24 → 2026-08-14 |
| 4 | 854 d | Spills | Nga chart 24170 (14TH ed) Brazil-southeast Coast · South Atlantic Ocean | HYDROLANT 1879/11 2011-11-11 → 2014-03-15 |
| 5 | 419 d | Spills | Oil spill response operations in progress until further notice vicinity 10-10.30N 061-51.13W Eastern Caribbean Sea · Trinidad and Tobago · Caribbean Sea | NAVAREA IV 104/16 2016-02-12 → 2017-04-07 |
| 6 | 183 d | Spills | The international maritime organization (imo) has adopted a new two-way route for the bonifacio strait for… Tyrrhenian Sea | HYDROLANT 2250/98 1998-11-25 → 1999-05-28 |
| 7 | 114 d | Spills | Oil spill response operations in progress until further notice in area bound by 04-23.42S 081-20.40W,… Eastern South Pacific · Peru · South Pacific Ocean event | HYDROPAC 1802/22 2022-07-02 → 2022-10-24 |
| 8 | 111 d | Spills | Nga chart 74451 (1ST ed) Indian Ocean | HYDROPAC 1505/09 2009-08-22 → 2009-12-12 |
| 9 | 59 d | Spills | Mariners are informed that new maritime navigation regulations were adopted to regulate navigation occurring… Eastern North Pacific · Clipperton Island · North Pacific Ocean | NAVAREA XII 42/20 2020-01-31 → 2020-03-31 |
| 10 | 58 d | Spills | Nga chart 26181 (20TH ed) Haiti · Caribbean Sea | NAVAREA IV 23/10 2010-01-13 → 2010-03-13 |
| 11 | 57 d | Spills | A large oil slick has been reported off the coast of india between panaji (15-30N 073-50E) and karwar… Arabian Sea | HYDROPAC 1215/06 2006-06-27 → 2006-08-23 |
| 12 | 50 d | Spills | Pollution control operations in progress until further notice vicinity 42-12.6N 012-03W North Atlantic Ocean event | HYDROLANT 2567/02 2002-11-20 → 2003-01-10 |
| 13 | 49 d | Spills | Oil spill response operations in progress until further notice in area bound by 04-23.42S 081-20.40W,… Eastern South Pacific · Peru · South Pacific Ocean event | HYDROPAC 1319/22 2022-05-13 → 2022-07-01 |
| 14 | 45 d | Spills | Oil spill reported vicinity 03-05.3N 104-59.0E at 140015Z jul South China Sea · South China Sea | HYDROPAC 2105/16 2016-07-14 → 2016-08-28 |
| 15 | 45 d | Spills | Salvage and oil spill response operations in progress until further notice vicinity 14-57.49N 145-37.29E Northern Mariana Islands · Tinian · Philippine Sea event | HYDROPAC 2842/13 2013-09-18 → 2013-11-02 |
| 16 | 43 d | Spills | In pursuance to national and international laws, the government of pakistan has decided, for the purpose of… | HYDROPAC 112/05 2005-01-18 → 2005-03-02 |