Cable & pipeline work in the North Atlantic Ocean
Cable laying, pipeline and seismic operations.
- in force
- 13
- last 12 months
- 13
- vs previous 12 (2)
- +550%
- since 1998
- 1,584
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.
In force now · 13
- HYDROLANT 1575/26in force2026-08-14Underwater operations by cableship Ile d'Yeu continue daily until 13 September along a trackline in the South Atlantic off Brazil; wide berth requested.South Atlantic · Brazil
- NAVAREA IV 789/26in force2026-08-14Underwater operations by cable ship ILE D'YEU along trackline in South Atlantic off Brazil, daily until 13 September, wide berth requested.South Atlantic · Brazil
- HYDROLANT 1568/26in force2026-08-13Cable operations by ship ILE D OUESSANT occur from 15 to 20 August in an area near Canary Islands; wide berth requested.North Atlantic · Canary Islands
- NAVAREA IV 778/26in force2026-08-11Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.North Atlantic
- NAVAREA IV 729/26in force2026-07-26Cable operations by cableship Pierre de Fermat are in progress until 25 August between Aruba and Florida; wide berth requested.Caribbean Sea · North Atlantic
- NAVAREA IV 677/26in force2026-07-10Cable operations by cable ship Reliance are in progress until 22 August along a trackline from 21-58.68N 044-28.46W to 30-50.64N 061-00.22W, requesting a two-mile berth.
- NAVAREA IV 666/26in force2026-07-08In the North Atlantic near Trinidad and Tobago, pipeline operations by vessel Seven Pegasus continue until 29 August 22:00 UTC; 500-meter berth requested.North Atlantic
- NAVAREA IV 663/26in force2026-07-07Cable ship Ile de Molene is doing cable operations off Trinidad and Tobago from July 10 to August 15; one-mile berth requested.Atlantic Ocean · Caribbean Sea
- NAVAREA IV 659/26in force2026-07-05Cable operations by ship Ile d'Yeu from 8 July to 31 August in North Atlantic off French Guiana, one mile berth requested.North Atlantic · French Guiana
- NAVAREA IV 658/26in force2026-07-05Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.North Atlantic · Guyana
- NAVAREA IV 649/26in force2026-07-02Pipeline operations are in progress until 10:00 UTC on October 20 by vessel DLV 2000 near Trinidad and Tobago, with 500-meter berth requested.Caribbean Sea
- NAVAREA IV 640/26in force2026-06-30Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.North Atlantic · French Guiana
- NAVAREA IV 7/26in force2026-01-02Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.North Atlantic
Longest in force
- NAVAREA IV 7/26in force2026-01-02 · 231 dPipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.North Atlantic
- NAVAREA IV 640/26in force2026-06-30 · 53 dCable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.North Atlantic · French Guiana
- NAVAREA IV 649/26in force2026-07-02 · 51 dPipeline operations are in progress until 10:00 UTC on October 20 by vessel DLV 2000 near Trinidad and Tobago, with 500-meter berth requested.Caribbean Sea
- NAVAREA IV 658/26in force2026-07-05 · 48 dPipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.North Atlantic · Guyana
- NAVAREA IV 659/26in force2026-07-05 · 48 dCable operations by ship Ile d'Yeu from 8 July to 31 August in North Atlantic off French Guiana, one mile berth requested.North Atlantic · French Guiana
By month (all years)
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Other hazards in the North Atlantic Ocean
Archive · 1,571 cancelled
- HYDROLANT 3253/162016-12-02 → 2016-12-11Seismic survey 030001Z to 122359Z dec by M/V ramform atlas towing 14 10000 meter long cables in area bound…Eastern North Atlantic · Mauritania
- NAVAREA IV 943/162016-11-01 → 2016-11-08Cable laying operations 06 and 07 nov by cableship global sentinel vicinity of trackline joining 17-52.60N…Western North Atlantic
- NAVAREA IV 929/162016-10-25 → 2016-11-03Seismic survey in progress until 10 nov by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic
- NAVAREA IV 915/162016-10-20 → 2016-10-25Seismic survey in progress until 29 oct by M/V atlantic explorer towing 8700 meter long cable in area bound…Western North Atlantic · Canada-east Coast
- NAVAREA IV 830/162016-09-29 → 2016-10-18Seismic survey in progress until 19 oct by M/V atlantic explorer towing 8700 meter long cable in area bound…Western North Atlantic · Canada-east Coast
- NAVAREA IV 819/162016-09-24 → 2017-02-02Seismic survey 29 sep thru 01 feb 17 by M/V oceanic sirius towing 8000 meter long cable in area bound by…Western North Atlantic · Suriname
- NAVAREA IV 816/162016-09-23 → 2016-09-29Seismic survey in progress until 19 oct by M/V atlantic explorer towing 8700 meter long cable in area bound…Western North Atlantic
- NAVAREA IV 799/162016-09-17 → 2016-09-21Seismic survey in progress until 20 sep by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic
- HYDROLANT 2391/162016-09-14 → 2016-12-02Seismic survey in progress until 01 dec by M/V ramform atlas towing 14 10000 meter long cables in area bound…Eastern North Atlantic
- HYDROLANT 2340/162016-09-08 → 2016-09-14Seismic survey 09 thru 18 sep by M/V ramform atlas towing 14 10000 meter long cables in area bound by 23-24N…Eastern North Atlantic
- HYDROLANT 2336/162016-09-08 → 2016-12-06Seismic survey in progress until 052359Z dec by M/V geo caspian towing 12 11000 meter long cables in area…Eastern North Atlantic · Morocco
- NAVAREA IV 755/162016-09-06 → 2016-09-14Seismic survey in progress until 21 sep by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic
- HYDROLANT 2282/162016-09-03 → 2016-09-04Seismic survey in progress until 070001Z sep by M/V ramform atlas towing 12 11000 meter long cables in area…Eastern North Atlantic · Morocco
- HYDROLANT 2276/162016-09-03 → 2016-09-27Seismic survey in progress until further notice by M/V oceanic endeavour towing 14 9000 meter long cables in…Eastern North Atlantic · Celtic Sea
- HYDROLANT 2271/162016-09-02 → 2016-09-06Seismic survey in progress until 060100Z sep by M/V ramform atlas towing 12 11000 meter long cables in area…Eastern North Atlantic · Morocco
- HYDROLANT 2157/162016-08-23 → 2016-09-03Seismic survey in progress until further notice by M/V oceanic endeavour towing 14 9000 meter long cables in…Eastern North Atlantic
- NAVAREA IV 691/162016-08-21 → 2016-09-27Seismic survey 26 aug thru 26 sep by M/V fugro americas in area bound by 10-00.65N 060-18.05W, 09-58.92N…Western North Atlantic · Trinidad
- HYDROLANT 2106/162016-08-18 → 2016-08-23Seismic survey in progress until further notice by M/V oceanic endeavour towing 14 10000 meter long cables…Eastern North Atlantic
- HYDROLANT 2058/162016-08-14 → 2016-09-06Seismic survey 141200Z aug to 052300Z sep by M/V ramform atlas towing 12 11000 meter long cables in area…Eastern North Atlantic · Morocco
- HYDROLANT 2040/162016-08-11 → 2016-08-18Seismic survey in progress until further notice by M/V oceanic endeavour towing 14 10000 meter long cables…Eastern North Atlantic
- HYDROLANT 2033/162016-08-10 → 2016-08-14Seismic survey in progress until 15 aug by M/V ramform atlas towing 11000 meter long cables in area bound by…Eastern North Atlantic · Morocco
- HYDROLANT 1987/162016-08-06 → 2016-08-10Seismic survey 08 thru 15 aug by M/V ramform atlas towing 11000 meter long cables in area bound by 35-43N…Eastern North Atlantic · Morocco
- NAVAREA IV 641/162016-08-06 → 2016-11-01Seismic survey in progress until 31 oct by M/V amazon conqueror towing 14 8000 meter long cables in area…Western North Atlantic
- NAVAREA IV 622/162016-07-28 → 2016-09-06Seismic survey in progress until further notice by M/V atlantic explorer towing 10500 meter long cable in…Western North Atlantic · Newfoundland
- HYDROLANT 1862/162016-07-22 → 2016-08-09Pipeline operations in progress until further notice by M/V seahorse along trackline between 35-50N 005-58W…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1850/162016-07-21 → 2016-07-27Cable repair operations 221800Z jul until further notice by M/V pierre de fermat in area bound by 46-33.4N…Eastern North Atlantic · Celtic Sea · Bay of Biscay
- HYDROLANT 1829/162016-07-19 → 2016-07-22Pipeline operations 210001Z jul until further notice by M/V seahorse along trackline between 35-48N 005-58W…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1803/162016-07-17 → 2016-10-05Seismic survey in progress until further notice by M/V wg amundsen towing 12 8000 meter long cables in area…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1797/162016-07-16 → 2016-07-21Cable repair operations in progress until further notice by M/V pierre de fermat in area bound by 38-28.50N…Eastern North Atlantic · Portugal
- HYDROLANT 1719/162016-07-08 → 2016-07-16Cable repair operations from 11 jul until further notice by M/V pierre de fermat in area bound by 38-09.0N…Eastern North Atlantic · Portugal
- NAVAREA IV 527/162016-06-30 → 2016-07-28Seismic survey in progress until 27 jul by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic · Newfoundland
- NAVAREA IV 524/162016-06-30 → 2016-06-30Seismic survey in progress until 27 jul by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic · Newfoundland
- HYDROLANT 1655/162016-06-30 → 2016-07-18Pipeline operations 020001Z jul until further notice by M/V seahorse along trackline between 35-52N 005-57W…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1564/162016-06-21 → 2016-06-29Pipeline operations 230001Z jun until further notice by M/V seahorse along trackline between 35-52.142N…Eastern North Atlantic · Strait of Gibraltar · Morocco
- NAVAREA IV 487/162016-06-20 → 2016-10-01Seismic survey 23 jun thru 30 sep by M/V polarcus alima towing 8500 meter long cable in area bound by…Western North Atlantic · Guyana · Suriname
- HYDROLANT 1454/162016-06-12 → 2016-06-18Pipeline operations in progress until further notice by M/V seahorse along trackline between 35-52.142N…Eastern North Atlantic · Strait of Gibraltar · Morocco
- NAVAREA IV 444/162016-06-08 → 2016-06-30Seismic survey in progress until 29 jun by M/V atlantic explorer towing 10500 meter long cable in area bound…Western North Atlantic
- HYDROLANT 1364/162016-06-04 → 2016-06-07Pipeline operations in progress until further notice by M/V seahorse along trackline between 35-52.142N…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1329/162016-06-01 → 2016-06-02Pipeline operations 02 jun until further notice by M/V seahorse along trackline between 35-52.142N…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1293/162016-05-29 → 2016-06-05Cable operations 01 jun until further notice by M/V pierre de fermat in area bound by 42-00.0N 011-30.0W,…Eastern North Atlantic
- HYDROLANT 1250/162016-05-26 → 2016-06-01Pipeline operations in progress until further notice by M/V seahorse along trackline between 35-51.5N…Eastern North Atlantic · Strait of Gibraltar · Morocco
- NAVAREA IV 407/162016-05-25 → 2016-08-06Seismic survey in progress until 30 nov by M/V amazon conqueror towing 14 8000 meter long cables in area…Western North Atlantic
- HYDROLANT 1236/162016-05-24 → 2016-05-26Pipeline operations 26 may until further notice by M/V seahorse along trackline between 35-48.11N 005-58.31W…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 1105/162016-05-10 → 2016-06-06Seismic survey in progress until 05 jun by M/V polarcus alima towing 12 8100 meter long cables in area bound…Brazil-north Coast
- HYDROLANT 1089/162016-05-06 → 2016-05-11Seismic survey in progress until 10 may by M/V bgp challenger and M/V sea moby dick towing 12000 meter long…Brazil-north Coast
- HYDROLANT 1056/162016-05-04 → 2016-05-08Seismic survey in progress until 07 may by M/V bgp challenger and M/V sea moby dick towing 12000 meter long…Brazil-north Coast
- HYDROLANT 1042/162016-05-01 → 2016-05-04Seismic survey in progress until 04 may by M/V bgp challenger and M/V sea moby dick towing 12000 meter long…Brazil-north Coast
- HYDROLANT 1022/162016-04-29 → 2016-05-02Seismic survey in progress until 01 may by M/V bgp challenger and M/V sea moby dick towing 12000 meter long…Brazil-north Coast
- HYDROLANT 997/162016-04-27 → 2016-04-29Seismic survey in progress until 01 may by M/V bgp challenger and M/V sea moby dick towing 12000 meter long…Brazil-north Coast
- NAVAREA IV 168/162016-03-06 → 2016-09-10Seismic survey 09 mar thru 09 sep by M/V polarcus adira, M/V groen 7-OCEANS and M/V vroon vos athos in area…Western North Atlantic · Guyana
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.