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
- NAVAREA IV 227/142014-04-02 → 2014-04-04Cable laying operations in progress until 04 apr by cableship ile de batz with submersible along trackline…Western North Atlantic · Florida
- HYDROLANT 873/142014-03-31 → 2014-05-17Seismic survey in progress until further notice by M/V sanco swift towing ten 8000 meter long cables in area…Eastern North Atlantic · Morocco
- NAVAREA IV 220/142014-03-31 → 2014-04-03Cable laying operations in progress until 02 apr by cableship ile de batz with submersible along trackline…Western North Atlantic · Florida
- NAVAREA IV 200/142014-03-22 → 2015-02-01Seismic survey in progress until 31 jan 15 by M/V ramform titan towing 14 9000 meter long cables in area…Western North Atlantic · Eastern Caribbean Sea
- NAVAREA IV 197/142014-03-21 → 2014-03-22Seismic survey in progress until 31 jan 15 by M/V ramform titan towing 14 9000 meter long cables in area…Western North Atlantic · Eastern Caribbean Sea
- NAVAREA IV 196/142014-03-21 → 2014-03-26Seismic survey 230001Z to 260001Z mar by M/V l'atalante towing 5000 meter long cable in area bound by 12-00N…Western North Atlantic
- HYDROLANT 733/142014-03-13 → 2014-04-11Seismic survey in progress until 230100Z apr by M/V polarcus adira towing 12 8100 meter long cables in area…Eastern North Atlantic · Morocco
- HYDROLANT 681/142014-03-07 → 2014-05-02Seismic survey in progress until 01 may by M/V nps geoexplorer in area bound by 02-37.43N 048-52.50W,…Brazil-north Coast
- HYDROLANT 3239/132013-12-16 → 2014-02-08Underwater operations 18 dec until further notice by cableship ile de brehat along tracklines joining: a.…North Atlantic · Azores
- HYDROLANT 3181/132013-12-09 → 2013-12-14Cable repair operations in progress until further notice by cableship peter faber vicinity 13-34.1N 017-13.1WEastern North Atlantic · The Gambia
- NAVAREA IV 742/132013-11-25 → 2013-12-09Cable operations 26 nov thru 08 dec by cableship ile de brehat along trackline joining 37-03.31N 040-56.73W,…North Atlantic
- HYDROLANT 2728/132013-10-31 → 2013-11-11Cable operations 021800Z to 111300Z nov by cableship raymond croze with submersible along trackline between…Eastern North Atlantic · Bay of Cadiz
- NAVAREA IV 674/132013-10-31 → 2013-11-11Cable laying operations by cableship ile de batz: a. 01 thru 04 nov along trackline joining 20-49.57N…Western North Atlantic
- HYDROLANT 2557/132013-10-15 → 2013-10-16Cable repair operations in progress until 161200Z oct by cableship peter faber in 36-19.4N 007-00.9WEastern North Atlantic · Gulf of Cadiz
- NAVAREA IV 642/132013-10-14 → 2013-10-26Cable laying operations 17 oct until further notice by cableship ile de batz along trackline joining…Western North Atlantic
- HYDROLANT 2535/132013-10-13 → 2013-10-15Cable repair operations 141800Z to 151800Z oct by cableship peter faber in 36-19.4N 007-00.9WEastern North Atlantic · Gulf of Cadiz
- NAVAREA IV 627/132013-10-09 → 2013-10-14Cable laying operations in progress until 16 oct by cableship ile de batz along trackline joining 21-14.907N…Western North Atlantic
- HYDROLANT 2476/132013-10-07 → 2013-10-09Cable laying operations in progress until 16 oct by cableship ile de batz along trackline joining 21-14.907N…Western North Atlantic
- HYDROLANT 2406/132013-09-29 → 2013-10-06Cable repair operations 010001Z to 060001Z oct by cableship peter faber in 36-19N 007-00WEastern North Atlantic · Gulf of Cadiz
- NAVAREA IV 598/132013-09-28 → 2013-10-02Cable laying operations in progress until 01 oct by cableship ile de batz along trackline joining 26-02.412N…Straits of Florida
- HYDROLANT 2337/132013-09-21 → 2013-10-06Seismic survey in progress until further notice by M/V harrier explorer towing 6.5 mile long cable in area…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 2282/132013-09-16 → 2013-10-05Cable repair operations 19 sep until further notice by cableship peter faber with submersible in area bound…Eastern North Atlantic · Gulf of Cadiz
- NAVAREA IV 566/132013-09-14 → 2013-09-30Cable repair operations 151500Z sep until further notice by cableship rene descartes within two miles of…North Atlantic
- NAVAREA IV 544/132013-09-07 → 2013-12-06Seismic survey in progress until 05 dec by M/V polarcus asima in area bound by 08-00N 057-25W, 08-00N…North Atlantic · Guyana
- HYDROLANT 2176/132013-09-05 → 2013-09-14Cable operations 080800Z sep until further notice by cableship rene descartes within two miles of 45-07N…North Atlantic
- HYDROLANT 2051/132013-08-21 → 2013-08-23Cable laying operations 211700Z to 231700Z aug by cableship rene descartes along trackline between 46-53.0N…Eastern North Atlantic · Bay of Biscay
- HYDROLANT 2047/132013-08-21 → 2013-08-21Cable laying operations 211700Z to 231700Z aug by cableship rene descartes along trackline between 46-44.00N…Eastern North Atlantic · Bay of Biscay
- NAVAREA IV 494/132013-08-15 → 2013-09-13Seismic survey in progress until further notice by M/V osprey explorer towing 8500 meter long cable in area…North Atlantic · French Guiana
- HYDROLANT 1980/132013-08-13 → 2013-08-16Seismic survey 13 thru 16 aug by M/V james cook towing 3000 meter long cable in area bound by 37-31N…Eastern North Atlantic · Portugal
- HYDROLANT 1914/132013-08-06 → 2013-09-13Seismic survey in progress until further notice by M/V ramform challenger towing 12 6000 meter long cables…Eastern North Atlantic · Shetland Islands
- HYDROLANT 1857/132013-07-31 → 2013-08-08Cable operations in progress until further notice by cableship raymond croze with submersible along…Eastern North Atlantic · Faroe Islands
- NAVAREA IV 443/132013-07-26 → 2013-08-10Cable operations 281200Z jul until further notice by cableship it interceptor along trackline between 41-11N…Western North Atlantic
- NAVAREA IV 413/132013-07-13 → 2013-07-18Cable laying operations in progress until 18 jul by cableship ile de batz along trackline joining 19-48.54N…Western North Atlantic · Dominican Republic-northeast Coast
- HYDROLANT 1626/132013-07-06 → 2013-11-07Seismic survey in progress until 30 nov by M/V polarcus adira towing ten 8000 meter long cables in area…Eastern North Atlantic · Mauritania
- NAVAREA IV 392/132013-07-04 → 2013-07-10Cable operations by cableship ile de batz with submersible: a. in progress until 06 jul along trackline…Western North Atlantic · Florida
- HYDROLANT 1589/132013-07-02 → 2013-07-16Seismic survey in progress until 15 jul by M/V bgp prospector towing ten five mile long cables in area bound…Eastern North Atlantic · Western Sahara
- HYDROLANT 1530/132013-06-22 → 2013-07-14Seismic survey in progress until further notice by M/V oceanic champion in area bound by 60-37.3N 003-21.8W,…Eastern North Atlantic · Shetland Islands
- HYDROLANT 1430/132013-06-11 → 2013-07-08Seismic survey in progress until 07 jul by M/V boa galatea towing 5.4 mile long cables in area bound by…Brazil-north Coast
- HYDROLANT 1387/132013-06-05 → 2013-07-02Seismic survey in progress until 01 jul by M/V bgp prospector towing ten five mile long cables in area bound…Eastern North Atlantic · Western Sahara
- NAVAREA IV 283/132013-05-20 → 2013-05-31Straits of floridaGulf of Mexico
- HYDROLANT 1166/132013-05-10 → 2013-06-06Seismic survey in progress until 05 jun by M/V boa galatea towing 5.4 mile long cables in area bound by…Brazil-north Coast
- HYDROLANT 1043/132013-04-26 → 2013-06-05Seismic survey in progress until 10 jun by M/V bgp prospector towing ten five mile long cables in area bound…Eastern North Atlantic · Western Sahara
- NAVAREA IV 221/132013-04-24 → 2013-05-22Seismic survey 28 apr thru 21 may by M/V l'atalante in areas bound by: a. 08-14.4N 052-49.8W, 08-31.2N…North Atlantic · French Guiana
- NAVAREA IV 212/132013-04-17 → 2013-05-20Cable operations in progress until 19 may by cableship ile de brehat along trackline joining 28-55.6N…Western North Atlantic · Florida
- HYDROLANT 955/132013-04-16 → 2013-04-17Cable operations in progress until 19 may by cableship ile de brehat along trackline joining 28-55.6N…Western North Atlantic · Florida
- NAVAREA IV 197/132013-04-11 → 2013-04-12Seismic survey 28 apr thru 21 may by M/V l'atalante in areas bound by: a. 08-14.4N 052-49.8W, 08-31.2N…North Atlantic · French Guiana
- NAVAREA IV 178/132013-04-01 → 2013-04-10Cable operations in progress until 09 apr by cableship ile de brehat along trackline joining 21-43.0N…Western North Atlantic
- HYDROLANT 760/132013-03-25 → 2013-03-31Cable repair operations 271000Z mar until further notice by cableship raymond croze along trackline joining…Eastern North Atlantic · Western Sahara
- HYDROLANT 658/132013-03-15 → 2013-05-16Seismic survey in progress until 15 may by M/V western pride towing 950 meter long cable in area bound by…Eastern North Atlantic · Mauritania
- HYDROLANT 566/132013-03-04 → 2013-08-31Seismic survey in progress until further notice by M/V polarcus asima towing 12 1000 meter long cables in…Gulf of Guinea · Liberia
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.