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

  1. HYDROLANT 1575/26in force2026-08-14
    Underwater 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
  2. NAVAREA IV 789/26in force2026-08-14
    Underwater operations by cable ship ILE D'YEU along trackline in South Atlantic off Brazil, daily until 13 September, wide berth requested.
    South Atlantic · Brazil
  3. HYDROLANT 1568/26in force2026-08-13
    Cable 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
  4. NAVAREA IV 778/26in force2026-08-11
    Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.
    North Atlantic
  5. NAVAREA IV 729/26in force2026-07-26
    Cable operations by cableship Pierre de Fermat are in progress until 25 August between Aruba and Florida; wide berth requested.
    Caribbean Sea · North Atlantic
  6. NAVAREA IV 677/26in force2026-07-10
    Cable 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.
  7. NAVAREA IV 666/26in force2026-07-08
    In 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
  8. NAVAREA IV 663/26in force2026-07-07
    Cable 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
  9. NAVAREA IV 659/26in force2026-07-05
    Cable 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
  10. NAVAREA IV 658/26in force2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
    North Atlantic · Guyana
  11. NAVAREA IV 649/26in force2026-07-02
    Pipeline 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
  12. NAVAREA IV 640/26in force2026-06-30
    Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.
    North Atlantic · French Guiana
  13. NAVAREA IV 7/26in force2026-01-02
    Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.
    North Atlantic

Longest in force

  1. NAVAREA IV 7/26in force2026-01-02 · 232 d
    Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.
    North Atlantic
  2. NAVAREA IV 640/26in force2026-06-30 · 53 d
    Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.
    North Atlantic · French Guiana
  3. NAVAREA IV 649/26in force2026-07-02 · 51 d
    Pipeline 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
  4. NAVAREA IV 658/26in force2026-07-05 · 48 d
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
    North Atlantic · Guyana
  5. NAVAREA IV 659/26in force2026-07-05 · 48 d
    Cable 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 year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the North Atlantic Ocean

Archive · 1,571 cancelled

  1. HYDROLANT 887/082008-05-27 → 2008-06-01
    Seismic survey in progress until 31 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  2. HYDROLANT 847/082008-05-18 → 2008-05-19
    Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
  3. HYDROLANT 843/082008-05-17 → 2008-05-23
    Seismic survey in progress until 230259Z may by M/V cgg amadeus towing eight 6500 meter long cables in area…
  4. HYDROLANT 823/082008-05-15 → 2008-05-17
    Seismic survey in progress until 16 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  5. HYDROLANT 781/082008-05-08 → 2008-05-14
    Seismic survey in progress until 13 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  6. NAVAREA IV 166/082008-05-04 → 2008-05-19
    Cable repair operations 09 thru 18 may by cableship pacific guardian vicinity 47-40N 039-50W
  7. HYDROLANT 739/082008-05-01 → 2008-05-08
    Seismic survey in progress until 10 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  8. HYDROLANT 711/082008-04-26 → 2008-05-01
    Seismic survey in progress until 30 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  9. HYDROLANT 675/082008-04-20 → 2008-04-25
    Underwater operations in progress until further notice by cableship leon thevenin vicinity 36-16.8N 006-07.0W
  10. HYDROLANT 666/082008-04-19 → 2008-04-26
    Seismic survey in progress until 25 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  11. HYDROLANT 573/082008-04-07 → 2008-04-18
    Seismic survey in progress until 17 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  12. HYDROLANT 570/082008-04-06 → 2008-04-07
    Seismic survey 07 thru 17 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound by…
  13. HYDROLANT 528/082008-03-29 → 2008-04-07
    Seismic survey in progress until 06 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  14. NAVAREA IV 119/082008-03-29 → 2008-04-07
    Seismic survey in progress until 06 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  15. HYDROLANT 491/082008-03-23 → 2008-03-29
    Seismic survey in progress until 28 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  16. NAVAREA IV 109/082008-03-23 → 2008-03-29
    Seismic survey in progress until 28 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  17. HYDROLANT 459/082008-03-16 → 2008-03-22
    Seismic survey in progress until 21 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  18. NAVAREA IV 101/082008-03-16 → 2008-03-22
    Seismic survey in progress until 21 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  19. HYDROLANT 407/082008-03-08 → 2008-03-16
    Seismic survey in progress until 15 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  20. NAVAREA IV 92/082008-03-08 → 2008-03-16
    Seismic survey in progress until 15 mar by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  21. HYDROLANT 346/082008-02-23 → 2008-03-01
    Seismic survey in progress until 29 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  22. NAVAREA IV 77/082008-02-23 → 2008-03-01
    Seismic survey in progress until 29 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  23. NAVAREA IV 64/082008-02-12 → 2008-02-22
    Seismic survey in progress until 21 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  24. HYDROLANT 296/082008-02-12 → 2008-02-22
    Seismic survey in progress until 21 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  25. HYDROLANT 231/082008-02-02 → 2008-02-12
    Seismic survey in progress until 11 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  26. NAVAREA IV 49/082008-02-02 → 2008-02-12
    Seismic survey in progress until 11 feb by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  27. NAVAREA IV 37/082008-01-25 → 2008-02-01
    Seismic survey in progress until 31 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  28. HYDROLANT 175/082008-01-25 → 2008-02-01
    Seismic survey in progress until 31 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  29. NAVAREA IV 22/082008-01-18 → 2008-01-25
    Seismic survey in progress until 24 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  30. HYDROLANT 133/082008-01-18 → 2008-01-25
    Seismic survey in progress until 24 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  31. NAVAREA IV 16/082008-01-11 → 2008-01-18
    Seismic survey in progress until 17 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  32. HYDROLANT 91/082008-01-11 → 2008-01-18
    Seismic survey in progress until 17 jan by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  33. NAVAREA IV 395/072007-12-31 → 2008-01-11
    Seismic survey in progress until 10 jan 08 by M/V cgg amadeus towing eight 6500 meter long cables in area…
  34. HYDROLANT 2173/072007-12-31 → 2008-01-11
    Seismic survey in progress until 10 jan 08 by M/V cgg amadeus towing eight 6500 meter long cables in area…
  35. NAVAREA IV 387/072007-12-20 → 2007-12-28
    Seismic survey in progress until 27 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  36. HYDROLANT 2131/072007-12-20 → 2007-12-28
    Seismic survey in progress until 27 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  37. HYDROLANT 2101/072007-12-15 → 2007-12-20
    Seismic survey in progress until 19 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  38. NAVAREA IV 378/072007-12-15 → 2007-12-20
    Seismic survey in progress until 19 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  39. NAVAREA IV 373/072007-12-10 → 2007-12-15
    Seismic survey in progress until 14 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  40. HYDROLANT 2034/072007-12-08 → 2007-12-15
    Seismic survey 09 thru 14 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound by 04-45N…
  41. HYDROLANT 2005/072007-12-03 → 2008-01-04
    Underwater operations in progress until further notice by cableship thalassa vicinity 45-58N 008-30W
  42. HYDROLANT 1986/072007-11-30 → 2007-12-06
    Seismic survey in progress until 05 dec by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  43. HYDROLANT 1894/072007-11-15 → 2007-11-22
    Seismic survey in progress until 21 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  44. HYDROLANT 1864/072007-11-10 → 2007-11-15
    Seismic survey in progress until 14 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  45. HYDROLANT 1861/072007-11-09 → 2007-11-15
    Cable repair operations 111700Z thru 17 nov by cableship leon thevenin in area bound by 38-44N 009-41W,…
  46. HYDROLANT 1813/072007-11-01 → 2007-11-19
    Cable operations 032200Z nov until further notice by cableship ile de brehat in vicinity 37-51.5N 009-32.0W
  47. HYDROLANT 1793/072007-10-28 → 2007-11-07
    Underwater operations in progress until 06 nov by cableship poseidon in area bound by 29-09N 015-19W, 29-11N…
  48. HYDROLANT 1578/072007-09-11 → 2007-09-13
    Seismic survey in progress until further notice by M/V northern genesis towing 8000 meter long cable in area…
  49. HYDROLANT 1564/072007-09-09 → 2007-09-12
    Seismic survey in progress until 11 sep by M/V cgg laurentian towing six 2000 meter long cables in area…
  50. HYDROLANT 1558/072007-09-08 → 2007-09-09
    Seismic survey in progress until 15 sep by M/V cgg laurentian towing six 2000 meter long cables in area…

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.

Cable & pipeline work in the North Atlantic Ocean — page 21 · seahazards