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 · 232 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 2227/102010-11-21 → 2010-11-26Cable repair operations 230600Z to 292359Z nov by cableship leon thevenin with submersible vicinity 28-21.1N…Canary Islands
- HYDROLANT 2170/102010-11-15 → 2010-11-19Cable operations in progress until 18 nov by cableship furgo mercator along trackline between 45-48.3N…Eastern North Atlantic · France-northwest Coast
- HYDROLANT 2127/102010-11-08 → 2010-11-16Cable operations in progress until 15 nov by cableship furgo mercator along trackline between 45-48.3N…Eastern North Atlantic · France-northwest Coast
- HYDROLANT 2003/102010-10-22 → 2011-01-06Seismic survey in progress until further notice by cableship meteor along trackline joining 12-30N 019-00W,…Eastern North Atlantic
- HYDROLANT 2000/102010-10-22 → 2010-11-02Cable operations in progress until further notice by cableship rene descartes along trackline joining 46-58N…Eastern North Atlantic
- NAVAREA IV 431/102010-10-11 → 2010-12-13Seismic survey in progress until 12 dec by M/V ggs atlantic towing two 6000 meter long cables in area bound…Trinidad-east Coast
- HYDROLANT 1927/102010-10-10 → 2010-10-22Cable operations in progress until until further notice by cableship rene descartes along trackline joining…Eastern North Atlantic
- HYDROLANT 1916/102010-10-09 → 2010-10-12Seismic survey in progress until 15 dec by M/V geo caribbean towing 12 9000 meter long cables in area bound…Eastern North Atlantic · Senegal
- HYDROLANT 1865/102010-10-01 → 2010-10-31Seismic survey in progress until 30 oct by M/V ramform viking towing 12 6500 meter long cables in area bound…Eastern North Atlantic · Sierra Leone
- HYDROLANT 1841/102010-09-29 → 2010-10-10Cable operations 292100 sep until further notice by cableship rene descartes along trackline joining 48-02N…Celtic Sea
- NAVAREA IV 392/102010-09-18 → 2010-09-21Cable operations 19 thru 24 sep by cableship rene descartes along trackline joining 43-33N 035-00W, 43-25N…North Atlantic
- HYDROLANT 1690/102010-09-08 → 2010-09-16Cable operations by M/V ile de sein with submersible: a. 11 and 12 sep along trackline between 35-58.8N…Eastern North Atlantic · Gulf of Cadiz
- HYDROLANT 1567/102010-08-19 → 2010-09-20Cable operations 21 aug until further notice by cableship rene descartes along trackline joining 45-10N…Eastern North Atlantic
- HYDROLANT 1521/102010-08-10 → 2010-08-21Cable laying operations in progress until 29 aug by M/V teleri along trackline joining 36-17.03N 006-06.15W,…Eastern North Atlantic · Canary Islands
- HYDROLANT 1506/102010-08-07 → 2010-10-03Seismic survey in progress until further notice by M/V ramform challenger towing ten 6000 meter long cables…Eastern North Atlantic · Sierra Leone
- HYDROLANT 1505/102010-08-07 → 2010-08-31Cable laying operations in progress until 30 aug by cableship ile de brehat along trackline joining 27-31.4N…Eastern North Atlantic
- HYDROLANT 1493/102010-08-04 → 2010-08-19Seismic survey in progress until further notice by M/V ramform vanguard towing ten 6000 meter long cables…Ireland-west Coast
- HYDROLANT 1465/102010-07-30 → 2010-08-08Cable laying operations in progress until 07 aug by cableship ile de brehat along trackline joining 38-23.0N…Eastern North Atlantic
- HYDROLANT 1388/102010-07-20 → 2010-07-26Underwater operations in progress until further notice by cableship leon thevenin vicinity 49-22.0N 032-11.2WNorth Atlantic
- HYDROLANT 1377/102010-07-19 → 2010-07-30Cable laying operations 22 jul until further notice by cableship ile de brehat along trackline joining…Eastern North Atlantic
- HYDROLANT 1320/102010-07-12 → 2010-07-20Cable operations 131200Z jul until further notice by cableship leon thevenin vicinity 49-00.4N 034-03.9WNorth Atlantic
- HYDROLANT 1290/102010-07-07 → 2010-07-12Cable operations in progress until further notice by cableship l'espoir along trackline between 31-20.8N…Eastern North Atlantic · Morocco-west Coast
- NAVAREA IV 287/102010-07-01 → 2010-08-30Seismic survey in progress until 29 aug by M/V ggs atlantic towing two 4000 meter long cables in area bound…Trinidad-east Coast
- HYDROLANT 1212/102010-06-29 → 2010-07-01Cable operations in progress until 30 jun by cableship l'espoir along trackline joining 28-21.99N…Eastern North Atlantic · Canary Islands
- HYDROLANT 1084/102010-06-11 → 2010-08-06Seismic survey in progress until further notice by M/V hugin explorer and M/V kondor explorer in area bound…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1080/102010-06-11 → 2010-06-11Seismic survey in progress until further notice by M/V hugin explorer and M/V kondor explorer in area bound…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 987/102010-05-31 → 2010-06-19Cable operations 04 thru 18 jun by cableship rene descartes along trackline joining 28-22.40N 016-15.40W,…Eastern North Atlantic · Canary Islands
- HYDROLANT 959/102010-05-26 → 2010-06-29Survey operations in progress until 28 jun by cableship l'espoir along trackline joining 36-33.95N…Eastern North Atlantic · Morocco-west Coast
- HYDROLANT 958/102010-05-26 → 2010-05-26Survey operations in progress until further notice by cableship l'espoir along trackline between 36-33.95N…Spain · Bay of Cadiz
- HYDROLANT 943/102010-05-25 → 2010-05-26Survey operations in progress until further notice by cableship l'espoir along trackline between 36-34.55N…Spain · Bay of Cadiz
- HYDROLANT 878/102010-05-16 → 2010-05-18Cable operations in progress until further notice by cableship peter faber along trackline joining 38-34.2N…Eastern North Atlantic · Portugal-west Coast
- HYDROLANT 805/102010-05-07 → 2010-05-16Cable repair operations 110500Z may until further notice by cableship peter faber along trackline between…Eastern North Atlantic · Portugal-west Coast
- HYDROLANT 687/102010-04-20 → 2010-05-03Cable repair operations in progress until further notice by cableship leon thevenin along trackline between…North Atlantic · Azores
- HYDROLANT 680/102010-04-19 → 2010-05-05Cable laying operations 20 apr thru 07 may by cableship ile de brehat along trackline joining 35-58.4N…Eastern North Atlantic · Western Mediterranean Sea
- HYDROLANT 545/102010-03-29 → 2010-04-01Cable operations in progress until further notice by cableship tyco resolute along trackline joining…Eastern North Atlantic · Gulf of Guinea
- HYDROLANT 525/102010-03-26 → 2010-03-29Cable operations in progress until further notice by cableship tyco resolute vicinity of trackline joining…Eastern North Atlantic · Sierra Leone
- HYDROLANT 504/102010-03-23 → 2010-03-26Cable operations in progress until further notice by cableship tyco resolute vicinity of trackline joining…Eastern North Atlantic · Sierra Leone
- HYDROLANT 480/102010-03-19 → 2010-03-23Cable operations in progress until further notice by cableship tyco resolute vicinity of trackline joining…Eastern North Atlantic · Senegal
- HYDROLANT 447/102010-03-15 → 2010-03-19Cable operations in progress until further notice by cableship tyco resolute along trackline between…Eastern North Atlantic · Mauritania · Senegal
- HYDROLANT 433/102010-03-12 → 2010-03-23Cable operations in progress until further notice by cableship raymond croze with submersible vicinity…Eastern North Atlantic · Gulf of Cadiz
- HYDROLANT 431/102010-03-12 → 2010-03-15Cable operations in progress until further notice by cableship tyco resolute along trackline joining…Eastern North Atlantic · Mauritania · Senegal
- HYDROLANT 402/102010-03-07 → 2010-03-12Cable operations in progress until further notice by cableship tyco resolute along trackline joining…Eastern North Atlantic · Canary Islands
- HYDROLANT 372/102010-02-28 → 2010-03-04Cable operations in progress until further notice by cableship tyco resolute along trackline joining…Eastern North Atlantic · Canary Islands
- HYDROLANT 348/102010-02-23 → 2010-02-27Cable operations in progress until 26 feb by cableship tyco resolute along trackline joining 38-26.9N…Eastern North Atlantic
- HYDROLANT 336/102010-02-22 → 2010-02-23Cable operations in progress until 24 feb by cableship tyco resolute along trackline joining 38-26.9N…Eastern North Atlantic
- HYDROLANT 268/102010-02-11 → 2010-02-18Cable operations in progress until 21 feb by cableship tyco resolute along trackline joining 38-26.9N…Eastern North Atlantic
- HYDROLANT 252/102010-02-09 → 2010-02-18Underwater operations in progress until further notice by cableship leon thevenin vicinity 38-25N 028-25WNorth Atlantic · Azores
- NAVAREA IV 556/092009-12-31 → 2010-01-039.5 meter black and yellow seismic deflector adrift vicinity 07-18N 051-07W at 300500Z dec
- NAVAREA IV 540/092009-12-18 → 2010-01-07Seismic survey in progress until 06 jan 10 by M/V sea surveyor towing 10000 meter long cables in area bound…
- HYDROLANT 2459/092009-12-18 → 2010-01-07Seismic survey in progress until 06 jan 10 by M/V sea surveyor towing 10000 meter long cables in area bound…
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.