| 1 | 2,360 d | Ordnance | Unexploded ordnance reported in 39-51.3N 08-26.6E | HYDROLANT 2191/94 1994-12-21 → 2001-06-07 |
| 2 | 1,568 d | Ordnance | Nga chart 37166 (2ND ed) North Sea | HYDROLANT 1852/08 2008-10-31 → 2013-02-16 |
| 3 | 1,226 d | Ordnance | Nga chart 37140 (33RD ed) England-southeast Coast · North Sea | HYDROLANT 1966/11 2011-11-23 → 2015-04-02 |
| 4 | 1,152 d | Ordnance | An unexploded ordnance is located at 44 degrees 25 minutes north, 1 degree 52 minutes west in the Bay of Biscay, France. Bay of Biscay · France · Bay of Biscay | HYDROLANT 1361/23 2023-06-19 → 2026-08-14 |
| 5 | 1,145 d | Ordnance | Unexploded ordnance is located at 44 degrees 23 minutes north, 1 degree 46 minutes west, in the Bay of Biscay, France. Bay of Biscay · France · Bay of Biscay | HYDROLANT 1435/23 2023-06-26 → 2026-08-14 |
| 6 | 1,121 d | Ordnance | Unexploded ordnance is located in the Bay of Biscay, France, at 44 degrees 28 minutes north and 1 degree 56 minutes west. Bay of Biscay · France · Bay of Biscay | HYDROLANT 1632/23 2023-07-20 → 2026-08-14 |
| 7 | 981 d | Ordnance | Unexploded ordnance reported in 50-11.9N 004-32.3W marked by two yellow buoys English Channel | HYDROLANT 1053/97 1997-07-16 → 2000-03-24 |
| 8 | 822 d | Ordnance | Unexploded ordnance in 52-42.63N 003-04.36E North Sea · Netherlands · North Sea | HYDROLANT 3137/19 2019-10-14 → 2022-01-14 |
| 9 | 759 d | Ordnance | Cancel HYDROLANT 1041/13 Ireland-northeast Coast · Ordnance · Inner Seas off the West Coast of Scotland | HYDROLANT 1406/13 2013-06-07 → 2015-07-06 |
| 10 | 693 d | Ordnance | Ordnance Eastern Baltic Sea · Lithuania | HYDROLANT 1680/13 2013-07-12 → 2015-06-06 |
| 11 | 611 d | Ordnance | Unexploded ordnance in area bound by 44-37.9N 033-30.7E, 44-37.5N 033-30.5E, 44-37.7N 033-30.0E, 44-38.4N… Black Sea · Ukraine · Ordnance · Black Sea | HYDROLANT 27/17 2017-01-03 → 2018-09-07 |
| 12 | 589 d | Ordnance | Unexploded ordnance on wreck within 500 meters of 44-03-38N 009-45-06E Ligurian Sea | HYDROLANT 383/02 2002-02-17 → 2003-09-30 |
| 13 | 573 d | Ordnance | Ordnance clearing operations in progress until further notice in area bound by 45-13.2N 012-18.6E, 45-13.1N… Adriatic Sea | HYDROLANT 1211/99 1999-06-11 → 2001-01-05 |
| 14 | 556 d | Ordnance | Unexploded ordnance in: a. 52-54.60N 159-09.10E North Pacific Ocean | HYDROPAC 1636/01 2001-10-11 → 2003-04-20 |
| 15 | 554 d | Ordnance | Ordnance clearing operations in progress until further notice within: a. five miles of 45-15.0N 013-00.0E Adriatic Sea | HYDROLANT 1353/99 1999-06-30 → 2001-01-05 |
| 16 | 552 d | Ordnance | Ordnance clearing operations in progress until further notice within two miles of 44-48N 013-25E Adriatic Sea | HYDROLANT 1368/99 1999-07-02 → 2001-01-05 |
| 17 | 552 d | Ordnance | Ordnance clearing operations in progress until further notice within two miles of 44-30N 013-16E Adriatic Sea | HYDROLANT 1369/99 1999-07-02 → 2001-01-05 |
| 18 | 552 d | Ordnance | Ordnance clearing operations in progress until further notice within two miles of 44-29-07N 013-38-10E Adriatic Sea | HYDROLANT 1370/99 1999-07-02 → 2001-01-05 |
| 19 | 531 d | Ordnance | Explosive dumping areas established as follows: a. area a between 24-24N 24-34N and 060-14E 060-28E Gulf of Oman | HYDROPAC 1084/04 2004-06-29 → 2005-12-13 |
| 20 | 525 d | Ordnance | Unexploded ordnance in: a. 52-25.1N 002-02.1E North Sea · England · North Sea | HYDROLANT 343/22 2022-02-03 → 2023-07-14 |
| 21 | 517 d | Ordnance | Ordnance clearing operations in progress until further notice within two miles of 44-17N 012-52E Adriatic Sea | HYDROLANT 1641/99 1999-08-06 → 2001-01-05 |
| 22 | 512 d | Ordnance | Emergency ordnance jettison area established until further notice within 100 yards of trackline between… Indian Ocean | HYDROPAC 196/02 2002-01-31 → 2003-06-28 |
| 23 | 507 d | Ordnance | Unexploded ordnance in 52-10.78N 002-37.36E Southern North Sea · North Sea | HYDROLANT 2226/15 2015-09-08 → 2017-01-27 |
| 24 | 495 d | Ordnance | Unexploded ordnance vicinity 39-16-47.3N 009-39-39.9E Tyrrhenian Sea | HYDROLANT 2348/99 1999-11-04 → 2001-03-13 |
| 25 | 475 d | Ordnance | Mine in 43-52.9N 039-12.3E Black Sea · Russia · Ordnance · Black Sea | HYDROLANT 1489/16 2016-06-15 → 2017-10-03 |
| 26 | 462 d | Ordnance | Navigation prohibited within one mile Black Sea · Romania · Ordnance · Black Sea | HYDROLANT 1565/13 2013-06-28 → 2014-10-04 |
| 27 | 449 d | Ordnance | Unexploded ordnance in 39-31.47N 009-39.63E Tyrrhenian Sea | HYDROLANT 2078/06 2006-11-16 → 2008-02-09 |
| 28 | 445 d | Ordnance | Unexploded ordnance in 24-14.1N 066-50.9E Arabian Sea | HYDROPAC 33/06 2006-01-07 → 2007-03-28 |
| 29 | 441 d | Ordnance | Unexploded ordnance within 300 meters of 39-52.43N 009-49.04E Tyrrhenian Sea | HYDROLANT 2115/06 2006-11-24 → 2008-02-09 |
| 30 | 441 d | Ordnance | A united states military aircraft carrying unexploded ordnance has fallen into the sea inside the area of… | HYDROPAC 2062/01 2001-12-18 → 2003-03-05 |
| 31 | 438 d | Ordnance | Nga chart 62090 (7TH ed) Gulf of Aden | HYDROPAC 554/09 2009-03-16 → 2010-05-29 |
| 32 | 424 d | Ordnance | Unexploded ordnance vicinity 52-49N 002-07E North Sea | HYDROLANT 1142/05 2005-06-17 → 2006-08-16 |
| 33 | 405 d | Ordnance | Unexploded ordnance vicinity 53-05.14N 000-42.07E North Sea | HYDROLANT 1459/05 2005-08-11 → 2006-09-20 |
| 34 | 395 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-24N 45-22N and 012-45E… | HYDROLANT 2635/99 1999-12-06 → 2001-01-05 |
| 35 | 376 d | Ordnance | Unexploded ordnance in 45-19.3N 036-33.8E Kerch Strait · Sea of Azov | HYDROLANT 2467/17 2017-08-11 → 2018-08-23 |
| 36 | 360 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-24N 45-25N and 012-43E… | HYDROLANT 94/00 2000-01-10 → 2001-01-05 |
| 37 | 344 d | Ordnance | Unexploded ordnance in area between 52-25N 53-05N and 002-00E 003-05E | HYDROLANT 1861/05 2005-10-11 → 2006-09-20 |
| 38 | 339 d | Ordnance | Nga chart 37015 (1ST ed) English Channel · Ordnance · English Channel | HYDROLANT 452/10 2010-03-16 → 2011-02-19 |
| 39 | 334 d | Ordnance | Unexploded ordinance in 52-26.63N 001-55.87E North Sea · England · North Sea | HYDROLANT 431/21 2021-02-14 → 2022-01-14 |
| 40 | 331 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-23.7N 45-25.7N and… | HYDROLANT 480/00 2000-02-08 → 2001-01-05 |
| 41 | 293 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 44-45-41.2N 44-48-41.2N and… | HYDROLANT 963/00 2000-03-17 → 2001-01-05 |
| 42 | 290 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-25-45N 45-28-45N and… | HYDROLANT 995/00 2000-03-20 → 2001-01-05 |
| 43 | 287 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-25-45N 45-27-45N and… | HYDROLANT 1047/00 2000-03-23 → 2001-01-05 |
| 44 | 287 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 44-34.0N 44-35.0N and… | HYDROLANT 1048/00 2000-03-23 → 2001-01-05 |
| 45 | 287 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 44-27N 44-28N and 013-23E… | HYDROLANT 1049/00 2000-03-23 → 2001-01-05 |
| 46 | 281 d | Ordnance | Unexploded ordnance vicinity 42-35N 017-36E Adriatic Sea | HYDROLANT 1256/99 1999-06-16 → 2000-03-24 |
| 47 | 279 d | Ordnance | Explosive dumping areas established within five miles of: a. 44-00-00N 014-00-00E Adriatic Sea | HYDROLANT 1265/99 1999-06-18 → 2000-03-24 |
| 48 | 273 d | Ordnance | Unexploded ordnance in 53-11.54N 002-34.71E North Sea | HYDROLANT 790/07 2007-05-11 → 2008-02-09 |
| 49 | 265 d | Ordnance | Ordnance clearing operations in progress until further notice within one mile of 45-20.4N 012-57.0E Adriatic Sea | HYDROLANT 1320/00 2000-04-14 → 2001-01-05 |
| 50 | 262 d | Ordnance | Ordnance clearing operations in progress until further notice in area between 45-25-45N 45-27-45N and… | HYDROLANT 1364/00 2000-04-17 → 2001-01-05 |
| 51 | 261 d | Ordnance | Unexploded ordnance within three miles of 44-06-32N 013-38-56E Adriatic Sea | HYDROLANT 1393/99 1999-07-06 → 2000-03-24 |
| 52 | 257 d | Ordnance | Unexploded ordnance in 44-35.7N 037-55.5E Black Sea | HYDROLANT 897/07 2007-05-28 → 2008-02-09 |
| 53 | 250 d | Ordnance | Unexploded ordnance in 52-17.04N 002-43.11E North Sea | HYDROLANT 944/05 2005-05-19 → 2006-01-24 |
| 54 | 246 d | Ordnance | Unexploded ordnance in 52-23.12N 002-43.22E North Sea | HYDROLANT 975/07 2007-06-08 → 2008-02-09 |
| 55 | 228 d | Ordnance | Unexploded ordnance in 52-45.71N 002-02.72E North Sea | HYDROLANT 1084/05 2005-06-09 → 2006-01-24 |
| 56 | 219 d | Ordnance | Unexploded ordnance in 52-22.63N 002-49.27E North Sea · England · North Sea | HYDROLANT 212/20 2020-01-22 → 2020-08-28 |
| 57 | 214 d | Ordnance | Nga chart 37140 (34TH ed) Dover Strait · Ordnance · North Sea | HYDROLANT 1753/11 2011-10-24 → 2012-05-26 |
| 58 | 204 d | Ordnance | Nga chart 37057 (1ST ed) North Sea | HYDROLANT 1274/07 2007-07-20 → 2008-02-09 |
| 59 | 196 d | Ordnance | Unexploded ordnance: a. 52-35.45N 002-57.29E North Sea | HYDROLANT 1277/05 2005-07-12 → 2006-01-24 |
| 60 | 195 d | Ordnance | Mine in 45-17.57N 036-32.57E Kerch Strait · Ordnance · Sea of Azov | HYDROLANT 776/16 2016-04-01 → 2016-10-13 |
| 61 | 191 d | Ordnance | Possible unexploded ordnance within one mile either side of a line between 45-19N 013-09E and 45-17N 013-06E Adriatic Sea | HYDROLANT 1175/99 1999-06-07 → 1999-12-16 |
| 62 | 189 d | Ordnance | Possible unexploded ordnance in areas: a. within two miles either side of a line between 45-13.0N 012-51.0E… Adriatic Sea | HYDROLANT 1027/99 1999-05-20 → 1999-11-26 |
| 63 | 188 d | Ordnance | Possible unexploded ordnance within two miles of 44-05N 014-15E Adriatic Sea | HYDROLANT 1095/99 1999-05-28 → 1999-12-03 |
| 64 | 184 d | Ordnance | Possible unexploded ordnance within one mile of 45-36.3N 013-20.2E Adriatic Sea | HYDROLANT 1118/99 1999-06-01 → 1999-12-03 |
| 65 | 184 d | Ordnance | Unexploded ordnance within two miles of 44-29-07N 013-38-10E Adriatic Sea | HYDROLANT 1129/99 1999-06-02 → 1999-12-03 |
| 66 | 178 d | Ordnance | Unexploded ordnance in: a. 52-50.2N 002-22.4E North Sea | HYDROLANT 1378/05 2005-07-29 → 2006-01-24 |
| 67 | 178 d | Ordnance | Unexploded ordnance within two miles of 44-30N 013-16E Adriatic Sea | HYDROLANT 1173/99 1999-06-07 → 1999-12-03 |
| 68 | 175 d | Ordnance | Unexploded ordnance vicinity 42-38.00N 069-04.04W North Atlantic Ocean | NAVAREA IV 275/98 1998-09-18 → 1999-03-13 |
| 69 | 173 d | Ordnance | Underwater ordnance detonations 0500Z to 1500Z daily 26 jun thru 11 dec within 200 meters of 17-32.105S… South Pacific Ocean | HYDROPAC 1084/07 2007-06-21 → 2007-12-11 |
| 70 | 169 d | Ordnance | Possible unexploded ordnance in area between 45-08N 45-19N and 012-50E 013-00E | HYDROLANT 1021/99 1999-05-19 → 1999-11-05 |
| 71 | 169 d | Ordnance | Unexploded ordnance reported within three miles of 42-48N 015-16E Adriatic Sea | HYDROLANT 1025/99 1999-05-19 → 1999-11-05 |
| 72 | 168 d | Ordnance | Unexploded ordnance in 51-19.31N 001-56.12E North Sea · England-southwest Coast · North Sea | HYDROLANT 1904/18 2018-06-14 → 2018-11-30 |
| 73 | 163 d | Ordnance | Unexploded ordnance reported within one mile of 45-25.7N 013-07.1E Adriatic Sea | HYDROLANT 1014/99 1999-05-18 → 1999-10-29 |
| 74 | 160 d | Ordnance | Unexploded ordnance reported within three miles of 42-00N 017-00E Adriatic Sea | HYDROLANT 1040/99 1999-05-21 → 1999-10-29 |
| 75 | 155 d | Ordnance | Unexploded ordnance in 52-23.14N 002-46.09E Southern North Sea · Ordnance · North Sea | HYDROLANT 2629/14 2014-10-29 → 2015-04-02 |
| 76 | 154 d | Ordnance | Unexploded ordnance in 52-18.13N 002-44.09E Southern North Sea · North Sea | HYDROLANT 2631/14 2014-10-29 → 2015-04-02 |
| 77 | 154 d | Ordnance | Unexploded ordnance in: a. 45-12.07N 036-30.84E Kerch Strait · Ordnance · Sea of Azov | HYDROLANT 929/16 2016-04-19 → 2016-09-20 |
| 78 | 150 d | Ordnance | Ordnance clearing operations 15 jun until further notice by M/V uragano within two miles of 41-48N 016-53E Adriatic Sea | HYDROLANT 1237/99 1999-06-14 → 1999-11-12 |
| 79 | 149 d | Ordnance | Possible unexploded ordnance within one mile of 44-17N 012-52E Adriatic Sea | HYDROLANT 1117/99 1999-06-01 → 1999-10-29 |
| 80 | 148 d | Ordnance | Possible unexploded ordnance within one mile of 41-26N 016-32E Adriatic Sea | HYDROLANT 1085/99 1999-05-26 → 1999-10-22 |
| 81 | 148 d | Ordnance | B. mine in 45-07.73N 036-39.44E Black Sea · Kerch Strait · Ordnance · Black Sea | HYDROLANT 3285/13 2013-12-20 → 2014-05-17 |
| 82 | 146 d | Ordnance | Ordnance clearing operations from 12 jun until further notice in areas: a. bound by 44-20.0N 013-16.0E,… Adriatic Sea | HYDROLANT 1210/99 1999-06-11 → 1999-11-05 |
| 83 | 144 d | Ordnance | Unexploded ordnance in: a. 45-11.397N 036-24.540E Kerch Strait · Ordnance · Sea of Azov | HYDROLANT 1021/16 2016-04-28 → 2016-09-20 |
| 84 | 143 d | Ordnance | Possible unexploded ordnance within five miles of 41-41N 017-48E Adriatic Sea | HYDROLANT 1112/99 1999-06-01 → 1999-10-22 |
| 85 | 141 d | Ordnance | Unexploded ordnance in 16-41.42N 083-07.53E Bay of Bengal | HYDROPAC 9/06 2006-01-03 → 2006-05-24 |
| 86 | 139 d | Ordnance | Explosive dumping area established within 11 miles of 41-55-57N 017-25-13E Adriatic Sea | HYDROLANT 1264/99 1999-06-18 → 1999-11-05 |
| 87 | 138 d | Ordnance | Nga chart 37166 (2ND ed) North Sea | HYDROLANT 988/08 2008-06-15 → 2008-10-31 |
| 88 | 135 d | Ordnance | Unexploded ordnance within one mile of 41-56N 017-25E Adriatic Sea | HYDROLANT 1186/99 1999-06-08 → 1999-10-22 |
| 89 | 134 d | Ordnance | Unexploded ordnance in 45-19.3N 036-33.8E Kerch Strait · Sea of Azov | HYDROLANT 2693/18 2018-08-23 → 2019-01-04 |
| 90 | 133 d | Ordnance | Unexploded ordnance within one mile of 46-35.0N 142-55.5E Sea of Okhotsk | HYDROPAC 1745/03 2003-10-08 → 2004-02-19 |
| 91 | 133 d | Ordnance | Unexploded ordnance vicinity 52-49.0N 158-44.1E North Pacific Ocean | HYDROPAC 1506/00 2000-10-12 → 2001-02-23 |
| 92 | 129 d | Ordnance | Nga chart 37007 (1ST ed) England-southwest Coast · Ordnance · English Channel | HYDROLANT 1894/10 2010-10-05 → 2011-02-12 |
| 93 | 128 d | Ordnance | Unexploded ordnance vicinity 62-46N 028-17W North Atlantic Ocean | HYDROLANT 1376/00 2000-04-18 → 2000-08-25 |
| 94 | 128 d | Ordnance | Unexploded ordnance within 500 meters of: a. 45-25-15N 036-40-35E b. 45-25-28N 036-41-11E c. 45-25-55N… Kerch Strait · Sea of Azov · Ordnance · Sea of Azov | HYDROLANT 2076/16 2016-08-15 → 2016-12-22 |
| 95 | 119 d | Ordnance | Unexploded ordnance in 31-07.2N 029-07.9E Mediterranean Sea - Eastern Basin | HYDROLANT 2748/01 2001-10-24 → 2002-02-21 |
| 96 | 119 d | Ordnance | Unexploded ordnance in area bound by 44-37.9N 033-30.7E, 44-37.5N 033-30.5E, 44-37.7N 033-30.0E, 44-38.4N… Black Sea · Ukraine · Ordnance · Black Sea | HYDROLANT 2299/16 2016-09-05 → 2017-01-03 |
| 97 | 116 d | Ordnance | Unexploded ordnance within 500 meters of: a. 45-25-15N 036-40-35E Kerch Strait · Sea of Azov · Ordnance · Sea of Azov | HYDROLANT 3479/16 2016-12-23 → 2017-04-18 |
| 98 | 114 d | Ordnance | Unexploded ordnance within one mile of 45-20-12N 012-56-07E Adriatic Sea | HYDROLANT 2582/99 1999-11-30 → 2000-03-24 |
| 99 | 110 d | Ordnance | Unexploded ordnance in area: a. within 800 meters of 44-05.20N 038-52.40E Black Sea · Russia · Black Sea | HYDROLANT 4023/17 2017-12-13 → 2018-04-03 |
| 100 | 102 d | Ordnance | Ordnance clearing operations in progress until further notice: a. within seven miles of 44-47.16N 013-08.02E Adriatic Sea | HYDROLANT 1536/99 1999-07-26 → 1999-11-05 |