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 · 49 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 2794/002000-08-10 → 2000-08-14
    Seismic survey in progress until 13 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  2. HYDROLANT 2788/002000-08-09 → 2000-08-11
    Seismic survey in progress until 13 aug by M/V mezen towing 8000 meter long cable in area bound by 03-30N…
  3. HYDROLANT 2748/002000-08-07 → 2000-08-09
    Seismic survey 08 thru 10 aug by M/V mezen towing 8000 meter long cable in area bound by 03-30N 047-15W,…
  4. HYDROLANT 2732/002000-08-05 → 2000-08-06
    Seismic survey in progress until 07 aug by M/V mezen towing 8000 meter long cable in area bound by 02-30N…
  5. HYDROLANT 2731/002000-08-05 → 2000-08-09
    Seismic survey in progress until 11 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  6. NAVAREA IV 329/002000-08-04 → 2000-08-29
    Seismic survey in progress until further notice by M/V maurice ewing towing 6000 meter long cable in area…
  7. HYDROLANT 2712/002000-08-03 → 2000-08-05
    Seismic survey in progress until 05 aug by M/V mezen towing 8000 meter long cable in area bound by 01-30N…
  8. HYDROLANT 2689/002000-08-01 → 2000-08-07
    Cable operations 031400Z to 101400Z aug by cableship fresnel along trackline joining 47-53N 016-59W, 47-53N…
  9. NAVAREA IV 325/002000-07-31 → 2000-08-23
    Seismic survey in progress until further notice by M/V akademik shatskiy towing 8500 meter long cable in…
  10. NAVAREA IV 324/002000-07-31 → 2000-08-04
    Seismic survey in progress until further notice by M/V maurice ewing towing 6000 meter long cable along…
  11. HYDROLANT 2672/002000-07-31 → 2000-08-21
    Cable laying operations in progress until 20 aug by cableship umm al anber along trackline between 39-44.0N…
  12. NAVAREA IV 323/002000-07-31 → 2000-08-21
    Cable laying operations in progress until 20 aug by cableship umm al anber along trackline between 39-44.0N…
  13. HYDROLANT 2652/002000-07-29 → 2000-08-05
    Seismic survey in progress until 04 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  14. NAVAREA IV 315/002000-07-27 → 2000-07-31
    Seismic survey in progress until further notice by M/V maurice ewing towing 3.3 mile long cable along…
  15. HYDROLANT 2627/002000-07-26 → 2000-07-29
    Seismic survey in progress until 28 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  16. NAVAREA IV 309/002000-07-24 → 2000-08-04
    Seismic survey in progress until further notice by M/V polar duke towing 6000 meter long cable in area bound…
  17. NAVAREA IV 306/002000-07-24 → 2000-07-24
    Seismic survey in progress until further notice by M/V polar duke towing 6000 meter long cable in area bound…
  18. NAVAREA IV 304/002000-07-24 → 2000-07-27
    Seismic survey in progress until further notice by M/V maurice ewing towing 3.3 mile long cable in area…
  19. HYDROLANT 2589/002000-07-23 → 2000-07-25
    Seismic survey in progress until 25 jul by M/V mezen towing 8000 meter long cable in area bound by 01-03N…
  20. HYDROLANT 2574/002000-07-22 → 2000-07-26
    Seismic survey in progress until 25 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  21. NAVAREA IV 301/002000-07-20 → 2000-07-24
    Seismic survey in progress until further notice by M/V maurice ewing towing 6000 meter long cable along…
  22. HYDROLANT 2551/002000-07-20 → 2000-07-23
    Seismic survey in progress until 22 jul by M/V mezen towing 8000 meter long cable in area bound by 01-05N…
  23. HYDROLANT 2536/002000-07-19 → 2000-07-20
    Seismic survey in progress until 21 jul by M/V mezen towing 8000 meter long cable in area bound by 01-38N…
  24. NAVAREA IV 295/002000-07-18 → 2000-07-20
    Seismic survey in progress until further notice by M/V maurice ewing towing 6000 meter long cable along…
  25. HYDROLANT 2489/002000-07-15 → 2000-07-22
    Seismic survey in progress until 21 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  26. HYDROLANT 2488/002000-07-15 → 2000-07-19
    Seismic survey in progress until 18 jul by M/V mezen towing 8000 meter long cable in area bound by 01-38N…
  27. NAVAREA IV 286/002000-07-13 → 2000-07-19
    Seismic survey in progress until further notice by M/V akademik shatskiy towing 8500 meter long cable in…
  28. HYDROLANT 2470/002000-07-13 → 2000-07-15
    Seismic survey in progress until 15 jul by M/V mezen towing 8000 meter long cable in area bound by 05-16N…
  29. NAVAREA IV 281/002000-07-11 → 2000-07-13
    Seismic survey in progress until further notice by M/V akademik shatskiy towing 8500 meter long cable in…
  30. HYDROLANT 2441/002000-07-11 → 2000-07-15
    Seismic survey in progress until 14 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  31. HYDROLANT 2439/002000-07-11 → 2000-07-13
    Seismic survey in progress until 13 jul by M/V mezen towing 8000 meter long cable in area bound by 05-21N…
  32. NAVAREA IV 276/002000-07-10 → 2000-07-19
    Cable operations 11 jul until further notice by cableship fresnel towing equipment vicinity of trackline…
  33. HYDROLANT 2428/002000-07-09 → 2000-08-21
    Underwater cable operations 111200Z jul until further notice by cableship vercors along trackline joining…
  34. HYDROLANT 2402/002000-07-07 → 2000-07-11
    Seismic survey in progress until 11 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  35. HYDROLANT 2401/002000-07-07 → 2000-07-11
    Seismic survey in progress until 10 jul by M/V mezen towing 8000 meter long cable in area bound by 05-21N…
  36. HYDROLANT 2376/002000-07-05 → 2000-07-07
    Seismic survey in progress until 06 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  37. HYDROLANT 2372/002000-07-04 → 2000-07-11
    Cable operations in progress until further notice by cableship bold endeavour between 60-01N 006-26W and…
  38. HYDROLANT 2371/002000-07-04 → 2000-07-08
    Underwater cable operations 06 thru 11 jul by cableship raymond croze between 37-37.7N 011-30W and 37-57.5N…
  39. HYDROLANT 2363/002000-07-04 → 2000-07-05
    Seismic survey in progress until 06 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  40. HYDROLANT 2359/002000-07-04 → 2000-07-07
    Seismic survey in progress until 07 jul by M/V mezen towing 8000 meter long cable in area bound by 05-27N…
  41. NAVAREA IV 258/002000-07-03 → 2000-09-17
    Cable operations in progress until further notice by cableship subaru along trackline joining 46-45.0N…
  42. HYDROLANT 2349/002000-07-03 → 2000-07-04
    Seismic survey in progress until 05 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  43. HYDROLANT 2342/002000-07-02 → 2000-07-04
    Seismic survey in progress until 04 jul by M/V mezen towing 8000 meter long cable in area bound by 01-13N…
  44. HYDROLANT 2328/002000-07-01 → 2000-07-03
    Seismic survey in progress until 03 jul by M/V western inlet towing 6667 meter long cable in area bound by…
  45. NAVAREA IV 248/002000-06-27 → 2000-07-10
    Cable operations in progress until further notice by cableship fresnel vicinity of trackline joining…
  46. HYDROLANT 2277/002000-06-26 → 2000-07-31
    Cable laying operations in progress until 30 jul along trackline between 38-34.4N 064-54.1W and 49-26.8N…
  47. NAVAREA IV 242/002000-06-26 → 2000-07-31
    Cable laying operations in progress until 30 jul along trackline joining 39-45.2N 071-27.5W, 39-29.3N…
  48. HYDROLANT 2274/002000-06-26 → 2000-06-28
    Cable operations in progress until further notice by cableship toisa crest with submersible vicinity of…
  49. HYDROLANT 2268/002000-06-26 → 2000-06-29
    Seismic survey in progress until 28 jun by M/V western inlet towing 6667 meter long cable in area bound by…
  50. HYDROLANT 2253/002000-06-24 → 2000-07-04
    Cable operations in progress until further notice by cableship bold endeavor vicinity of trackline between…

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 28 · seahazards