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 1509/072007-09-01 → 2007-09-08
    Seismic survey in progress until 07 sep by M/V cgg laurentian towing six 2000 meter long cables in area…
  2. HYDROLANT 1503/072007-08-30 → 2007-09-09
    Seismic survey in progress until 11 sep by M/V atalante towing 5500 meter long cable in area bound by 34-50N…
  3. HYDROLANT 1497/072007-08-29 → 2007-09-05
    Seismic survey 30 aug thru 04 sep by M/V zamoura in areas bound by a. 33-26.5N 008-31.0W, 33-30.0N…
  4. HYDROLANT 1484/072007-08-27 → 2007-09-01
    Seismic survey in progress until 31 aug by M/V cgg laurentian towing six 2000 meter long cables in area…
  5. HYDROLANT 1449/072007-08-21 → 2007-08-27
    Seismic survey 21 thru 26 aug by M/V cgg laurentian towing six 2000 meter long cables in area bound by…
  6. HYDROLANT 1448/072007-08-21 → 2007-08-30
    Seismic survey 23 aug thru 13 sep by M/V atalante towing 4500 meter long cable in area bound by 34-00N…
  7. HYDROLANT 1447/072007-08-21 → 2007-08-21
    Underwater operations in progress until further notice cableship I.T
  8. HYDROLANT 1428/072007-08-16 → 2007-08-21
    Seismic survey in progress until 20 aug by M/V cgg laurentian towing six 2000 meter long cables in area…
  9. HYDROLANT 1400/072007-08-11 → 2007-08-12
    Seismic survey in progress until 15 aug by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  10. HYDROLANT 1399/072007-08-11 → 2007-08-16
    Seismic survey in progress until 15 aug by M/V cgg laurentian towing six 2000 meter long cables in area…
  11. HYDROLANT 1366/072007-08-05 → 2007-08-11
    Seismic survey in progress until 10 aug by M/V cgg laurentian towing six 1200 meter long cables in area…
  12. HYDROLANT 1365/072007-08-05 → 2007-08-11
    Seismic survey in progress until 10 aug by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  13. HYDROLANT 1345/072007-08-02 → 2007-08-05
    Seismic survey in progress until 31 dec by M/V cgg laurentian towing six 2000 meter long cables in area…
  14. HYDROLANT 1341/072007-07-31 → 2007-08-04
    Seismic survey in progress until 040259Z aug by M/V cgg amadeus towing eight 6500 meter long cables in area…
  15. NAVAREA IV 210/072007-07-29 → 2007-08-09
    Seismic survey in progress until further notice by M/V anticosti towing 800 meter long cable in area bound…
  16. HYDROLANT 1316/072007-07-27 → 2007-07-31
    Seismic survey 28 to 31 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound by 02-49N…
  17. HYDROLANT 1307/072007-07-25 → 2007-08-04
    Underwater operations in progress until 03 aug by cableship ile de batz in area bound by 33-53N 010-06W,…
  18. HYDROLANT 1291/072007-07-23 → 2007-08-04
    Seismic survey in progress until further notice by M/V geolog dmitriy nalivkin towing 9000 meter long cable…
  19. NAVAREA IV 208/072007-07-19 → 2007-08-01
    Pipeline operations until 31 jul by M/V solitaire along tracklines between: a. 10-00.3N 060-31.9W and…
  20. NAVAREA IV 205/072007-07-16 → 2007-07-28
    Cable laying operations 181200Z jul until further notice by cableship rene descartes along trackline joining…
  21. HYDROLANT 1250/072007-07-16 → 2007-07-20
    Underwater operations by cableship ile de batz: a. 16 thru 18 jul along trackline joining 41-12N 010-09W,…
  22. HYDROLANT 1246/072007-07-15 → 2007-07-18
    Seismic survey in progress until 17 jul by M/V cgg amadeus towing eight 6500 meter long cable in area bound…
  23. HYDROLANT 1235/072007-07-13 → 2007-07-14
    Seismic survey in progress until 17 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  24. HYDROLANT 1213/072007-07-09 → 2007-07-23
    Seismic survey in progress until further notice by M/V geolog dmitriy nalivkin towing 9000 meter long cable…
  25. HYDROLANT 1211/072007-07-09 → 2007-07-17
    Underwater operations by cableship ile de batz: a. 11 thru 14 jul along trackline joining 47-31N 008-30W,…
  26. HYDROLANT 1202/072007-07-09 → 2007-07-14
    Seismic survey in progress until 13 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  27. HYDROLANT 1159/072007-07-04 → 2007-07-09
    Seismic survey in progress until 08 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  28. HYDROLANT 1129/072007-06-29 → 2007-07-04
    Seismic survey in progress until 03 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  29. HYDROLANT 1059/072007-06-19 → 2007-06-26
    Seismic survey in progress until 25 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  30. NAVAREA IV 164/072007-06-13 → 2007-07-26
    Cable operations by M/V western patriot towing eight four mile long cables: a. 16 thru 24 jun in area bound…
  31. HYDROLANT 1020/072007-06-13 → 2007-07-26
    Cable operations by M/V western patriot towing eight four mile long cables: a. 16 thru 24 jun in area bound…
  32. NAVAREA IV 162/072007-06-12 → 2007-07-11
    Cable operations 122300Z jun until further notice by cableship rene descartes along trackline between 38-46N…
  33. HYDROLANT 1007/072007-06-12 → 2007-06-18
    Seismic survey in progress until 17 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  34. HYDROLANT 963/072007-06-06 → 2007-06-12
    Seismic survey in progress until 11 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  35. HYDROLANT 914/072007-05-30 → 2007-06-05
    Seismic survey in progress until 04 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  36. HYDROLANT 909/072007-05-30 → 2007-06-09
    Cable operations 010200Z jun until further notice by cableship rene descartes along trackline between 45-27N…
  37. HYDROLANT 833/072007-05-18 → 2007-05-24
    Seismic survey in progress until 23 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  38. HYDROLANT 821/072007-05-16 → 2007-05-18
    Seismic survey in progress until 22 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  39. HYDROLANT 789/072007-05-11 → 2008-06-21
    Underwater cable operations 14 may until further notice by cableship tyco responder vicinity of 05-08.70N…
  40. HYDROLANT 785/072007-05-11 → 2007-05-16
    Seismic survey in progress until 16 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  41. HYDROLANT 755/072007-05-05 → 2007-05-10
    Seismic survey in progress until 09 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  42. HYDROLANT 717/072007-04-30 → 2007-05-05
    Seismic survey 01 thru 04 may by M/V cgg amadeus towing eight 6500 meter long cables in area bound by…
  43. HYDROLANT 694/072007-04-26 → 2007-04-30
    Seismic survey in progress until 30 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  44. HYDROLANT 666/072007-04-22 → 2007-04-29
    Cable operations 240800Z to 290800Z apr by cableship leon thevenin with submersible in area bound by…
  45. HYDROLANT 651/072007-04-20 → 2007-04-26
    Seismic survey in progress until 25 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  46. HYDROLANT 619/072007-04-14 → 2007-04-20
    Seismic survey in progress until 19 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  47. HYDROLANT 610/072007-04-13 → 2007-04-23
    Underwater operations 14 apr until further notice by cableship ile de sein in vicinity of trackline joining…
  48. HYDROLANT 581/072007-04-09 → 2007-04-15
    Seismic survey in progress until 14 apr by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  49. HYDROLANT 575/072007-04-08 → 2007-04-13
    Underwater operations in progress until further notice by cableship ile de sein in vicinity of trackline…
  50. HYDROLANT 518/072007-03-31 → 2007-04-05
    Seismic survey in progress until 050259Z apr by M/V cgg amadeus towing eight 6500 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 22 · seahazards