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 1923/122012-08-21 → 2012-08-26Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1873/122012-08-15 → 2012-08-20Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- NAVAREA IV 441/122012-08-13 → 2012-09-01Cable operations 18 thru 31 aug by cableship ile de batz along trackline between 03-01N 042-43W and 12-43N…North Atlantic · Brazil-north Coast
- HYDROLANT 1824/122012-08-08 → 2012-08-12Cable operations 10 thru 17 aug by cableship ile de brehat in 42-09.8N 010-25.9WEastern North Atlantic
- NAVAREA IV 427/122012-08-06 → 2012-12-27Seismic survey in progress until 31 dec by M/V oceanic phoenix in area bound by 06-59.06N 052-14.96W,…North Atlantic · French Guiana
- NAVAREA IV 416/122012-08-01 → 2012-11-03Seismic survey 02 aug thru 15 dec by M/V ramform sovereign towing ten five mile long cables in area bound by…North Atlantic · Suriname
- NAVAREA IV 397/122012-07-25 → 2012-07-27Seismic survey by M/V atlantis towing two mile long cable: a. in progress along trackline between 00-49N…Brazil-north Coast
- HYDROLANT 1686/122012-07-25 → 2012-07-27Seismic survey by M/V atlantis towing two mile long cable: a. in progress along trackline between 00-49N…Brazil-north Coast
- HYDROLANT 1652/122012-07-21 → 2012-07-23Seismic survey in progress until 22 jul by M/V hawk explorer towing 5.4 mile long cables along trackline…Brazil-north Coast
- HYDROLANT 1620/122012-07-18 → 2012-07-28Seismic survey in progress until 27 jul by M/V akademic shatskiy towing 8500 meter long cable in area bound…Scotland-north Coast
- NAVAREA IV 383/122012-07-18 → 2012-07-25Seismic survey by M/V atlantis towing two mile long cable: a. in progress along trackline between 05-57N…Brazil-north Coast
- HYDROLANT 1616/122012-07-18 → 2012-07-25Seismic survey by M/V atlantis towing two mile long cable: a. in progress along trackline between 05-57N…Brazil-north Coast
- HYDROLANT 1599/122012-07-17 → 2012-07-21Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1561/122012-07-13 → 2012-07-16Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. 14 jul along trackline between 05-42.62N…Brazil-north Coast
- HYDROLANT 1532/122012-07-11 → 2012-07-14Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1512/122012-07-09 → 2012-07-11Brazil-north coast 1. seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. 09 jul along…
- HYDROLANT 1466/122012-07-03 → 2012-07-10Brazil-north coast 1. seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. 04 and 05 jul…
- NAVAREA IV 354/122012-07-02 → 2012-08-06Seismic survey in progress until further notice by M/V oceanic phoenix in areas bound by: a. 07-00.75N…North Atlantic · French Guiana
- HYDROLANT 1424/122012-06-29 → 2012-07-04Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. 29 jun along trackline between 06-09.62N…Brazil-north Coast
- HYDROLANT 1412/122012-06-28 → 2012-07-05Cable operations 29 jun until further notice by cableship leon thevenin towing equipment along trackline…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1301/122012-06-17 → 2012-06-19Seismic survey by M/V seward johnson: a. in progress along trackline between 00-31.13N 045-13.13W and…Brazil-north Coast
- HYDROLANT 1300/122012-06-16 → 2012-06-18Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1262/122012-06-13 → 2012-06-17Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1237/122012-06-09 → 2012-06-12Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1211/122012-06-05 → 2012-06-08Seismic survey in progress by M/V seward johnson within six miles of: a. 05 jun 00-15N 046-36W, b. 06 jun…Brazil-north Coast
- HYDROLANT 1203/122012-06-05 → 2012-06-09Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1202/122012-06-05 → 2012-06-05Seismic survey in progress by M/V seward johnson within six miles of: a. 05 jun 00-25N 046-36W, b. 06 jun…Brazil-north Coast
- HYDROLANT 1166/122012-06-01 → 2012-06-05Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. 01 and 02 jun along trackline between…Brazil-north Coast
- NAVAREA IV 283/122012-05-30 → 2012-09-07Seismic survey in progress until 06 sep by M/V western regent towing 12 7000 meter long cables in area bound…North Atlantic · Suriname
- HYDROLANT 1134/122012-05-27 → 2012-06-01Underwater operations in progress until further notice by cableship leon thevenin with submersible within…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 1123/122012-05-26 → 2012-05-28Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 1113/122012-05-25 → 2012-06-21Seismic survey in progress until 20 jun by M/V western neptune towing 12 4.5 mile long cables in area bound…Eastern North Atlantic · Mauritania
- HYDROLANT 1016/122012-05-12 → 2012-05-14Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 974/122012-05-08 → 2012-05-13Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 935/122012-05-03 → 2012-05-07Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 908/122012-04-28 → 2012-05-03Seismic survey M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between 05-48N…Brazil-north Coast
- HYDROLANT 881/122012-04-23 → 2012-04-28Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress along trackline between…Brazil-north Coast
- HYDROLANT 851/122012-04-18 → 2012-04-23Seismic survey by M/V hawk explorer towing 5.4 mile long cables: a. in progress in area bound by 06-16N…Brazil-north Coast
- HYDROLANT 781/122012-04-08 → 2012-04-22Underwater operations in progress until further notice by cableship cable innovator with submersible…Eastern North Atlantic
- HYDROLANT 732/122012-04-02 → 2012-04-26Seismic survey 05 thru 25 apr by M/V geco triton towing ten 9000 meter long cables in area bound by 37-01N…Eastern North Atlantic · Portugal-southwest Coast
- NAVAREA IV 143/122012-03-30 → 2012-04-08Cable operations in progress until 081200Z apr by cableship rene descartes along trackline joining 43-03N…Western North Atlantic
- HYDROLANT 703/122012-03-29 → 2012-04-05Underwater operations 310500Z mar until further notice by cableship wave sentinel in 36-04.19N 006-19.45WEastern North Atlantic · Bay of Cadiz
- NAVAREA IV 106/122012-03-10 → 2012-03-20Cable operations 111200Z mar until further notice by cableship rene descartes along trackline between 40-59N…Western North Atlantic
- HYDROLANT 551/122012-03-09 → 2012-03-12Cable laying operations 102300Z mar until further notice by cableship peter faber along trackline between…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 516/122012-03-07 → 2012-04-01Underwater operations in progress until further notice by cableship innovater with submersible along…Eastern North Atlantic
- HYDROLANT 494/122012-03-05 → 2012-03-09Underwater operations 051200Z to 090001Z mar by cableship ile de batz along trackline joining 27-44.0N…Eastern North Atlantic · Canary Islands
- HYDROLANT 493/122012-03-05 → 2012-03-24Underwater operations in progress until further notice by cableship leon thevenin with submersible vicinity…Scotland-north Coast · Fair Isle Channel
- HYDROLANT 481/122012-03-03 → 2012-04-24Seismic survey 05 mar thru 19 may by M/V polarcus naila towing ten 8000 meter long cables in area bound by…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 360/122012-02-13 → 2012-02-15Cable repair operations in progress until further notice by cableship wave sentinel with submersible in…Eastern North Atlantic · Bay of Cadiz
- NAVAREA IV 32/122012-02-05 → 2012-02-19Cable operations 061500Z feb until further notice by cableship rene descartes along trackline between 41-10N…Western North Atlantic
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.