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 2311/092009-11-27 → 2009-12-05
    Cableship norwegian dawn disabled and adrift in 20-00.7N 066-20.6W
  2. HYDROLANT 2199/092009-11-13 → 2009-11-17
    Seismic survey in progress until 16 nov by M/V sea surveyor along trackline joining 03-23.55S 038-16.16W,…
  3. HYDROLANT 2138/092009-11-03 → 2009-11-11
    Cable laying operations 051500Z to 111500Z nov by cableship leon thevenin with submersible vicinity 38-25.7N…
  4. HYDROLANT 2107/092009-10-30 → 2009-11-01
    Seismic survey in progress until 010259Z nov by M/V discoverer towing 5.4 mile long cable in area bound by…
  5. HYDROLANT 2097/092009-10-29 → 2009-10-30
    Seismic survey in progress until 300259Z oct by M/V discoverer towing 5.4 mile long cable in area bound by…
  6. HYDROLANT 2048/092009-10-23 → 2009-11-08
    Cable laying operations 25 oct thru 07 nov cableship ile de batz along trackline joining 38-26.5N 009-05.6W,…
  7. HYDROLANT 2046/092009-10-22 → 2009-10-28
    Seismic survey in progress until 27 oct by M/V discoverer towing 5.4 mile long cable in area bound by 04-40N…
  8. HYDROLANT 2027/092009-10-20 → 2009-11-18
    Seismic survey in progress until 14 mar 10 by M/V western patriot in area bound by 01-12.90N 046-27.87W,…
  9. HYDROLANT 2016/092009-10-18 → 2009-10-22
    Seismic survey by M/V discoverer towing 5.4 mile long cable: a. in progress until 20 oct in area bound by…
  10. HYDROLANT 1957/092009-10-09 → 2009-10-13
    Seismic survey in progress until 12 oct by M/V discoverer towing 5.4 mile long cable in area bound by 05-23N…
  11. HYDROLANT 1936/092009-10-07 → 2009-10-09
    Seismic survey in progress until 08 oct by M/V discoverer towing 5.4 mile long cable in area bound by 00-01S…
  12. HYDROLANT 1906/092009-10-03 → 2009-10-07
    Seismic survey in progress until 06 oct by M/V discoverer towing 5.4 mile long cable in area bound by 00-01S…
  13. HYDROLANT 1879/092009-09-30 → 2009-10-03
    Seismic survey in progress until 02 oct by M/V discoverer towing 5.4 mile long cable in area bound by 01-12N…
  14. HYDROLANT 1838/092009-09-24 → 2009-09-30
    Seismic survey by M/V discoverer towing 5.4 mile long cable: a. 25 and 26 sep in area bound by 05-58N…
  15. NAVAREA IV 398/092009-09-24 → 2009-09-30
    Seismic survey by M/V discoverer towing 5.4 mile long cable: a. 25 and 26 sep in area bound by 05-58N…
  16. HYDROLANT 1794/092009-09-19 → 2009-09-24
    Seismic survey by M/V discoverer towing 5.4 mile long cable: a. 19 sep in area bound by 00-30S 043-43W,…
  17. NAVAREA IV 354/092009-09-05 → 2010-01-02
    Seismic survey 07 sep thru 05 jan by M/V geo caribbean, M/V miss sudney I, M/V gulf scout I and M/V thor…
  18. HYDROLANT 1641/092009-08-28 → 2009-09-07
    Cable repair operations in progress until further notice by M/V fugro gauss along trackline between 27-31.9N…
  19. HYDROLANT 1622/092009-08-26 → 2009-08-28
    Cable repair operations in progress until further notice by MV fugro gauss along trackline between 27-29.9N…
  20. HYDROLANT 1583/092009-08-20 → 2009-08-26
    Underwater operations in progress until further notice by cableship leon thevenin with submersible along…
  21. HYDROLANT 1566/092009-08-18 → 2009-08-27
    Cable laying operations 18 thru 26 aug by cableship ile de batz along trackline between 47-36.5N 008-15.9W…
  22. HYDROLANT 1499/092009-08-08 → 2009-08-18
    Cable laying operations 10 aug until further notice by cableship ile de batz along tracklines between: a.…
  23. HYDROLANT 1357/092009-07-21 → 2009-07-25
    Cable operations in progress until further notice by cableship kommandor jack vicinity of trackline between…
  24. NAVAREA IV 247/092009-06-28 → 2009-07-05
    Cable repair operations in progress until 090001Z jul by cableship leon thevenin vicinity 42-48.0N 046-30.4W
  25. HYDROLANT 1151/092009-06-22 → 2009-07-29
    Seismic survey in progress until further notice by M/V bos angler towing 5000 meter long cable in area bound…
  26. NAVAREA IV 235/092009-06-21 → 2009-06-28
    Cable repair operations 23 jun thru 03 jul by cableship leon thevenin vicinity 42-20.7N 047-31.7W
  27. HYDROLANT 847/092009-05-07 → 2009-05-18
    Seismic survey in progress until 29 may by M/V boa thalassa in area bound by 14-05.00N 017-30.00W, 13-35.33N…
  28. NAVAREA IV 119/092009-04-03 → 2009-05-11
    Cable repair operations 04 apr thru 10 may by cableship intrepid along trackline between 43-08N 037-34W and…
  29. NAVAREA IV 118/092009-04-02 → 2009-04-03
    Cable repair operations 04 thru 10 apr by cableship intrepid along trackline between 43-08N 037-34W and…
  30. HYDROLANT 616/092009-03-30 → 2009-04-04
    Underwater operations in progress until further notice by cableship leon thevenin with submersible vicinity…
  31. HYDROLANT 509/092009-03-13 → 2009-03-17
    Cable operations in progress until 16 mar by cableship leon thevenin with submersible vicinity 28-19.45N…
  32. HYDROLANT 445/092009-03-05 → 2009-03-14
    Cable operations 06 thru 13 mar by cableship leon thevenin with submersible vicinity 28-19.45N 017-02.35W
  33. HYDROLANT 163/092009-01-25 → 2009-04-26
    Seismic survey in progress until 31 dec by M/V geo pacific towing eight 6000 meter long cables in area bound…
  34. HYDROLANT 1898/082008-11-06 → 2008-11-06
    Seismic survey in progress until 09 nov by M/V veritas vantage towing eight 6500 meter long cables in area…
  35. HYDROLANT 1770/082008-10-23 → 2008-11-06
    Seismic survey in progress until 20 jan 09 by M/V veritas vantage towing eight 6500 meter long cables in…
  36. HYDROLANT 1464/082008-09-10 → 2008-09-18
    Cable repair operations 12 thru 17 sep by cableship wave sentinel vicinity 48-09.00N 009-30.75W
  37. HYDROLANT 1359/082008-08-21 → 2008-10-07
    Seismic survey in progress until 10 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  38. HYDROLANT 1341/082008-08-17 → 2008-08-21
    Seismic survey in progress until 10 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  39. HYDROLANT 1311/082008-08-10 → 2008-08-14
    Underwater operations in progress until further notice by cableship wave sentinel vicinity 59-55.2N 006-18.9W
  40. HYDROLANT 1297/082008-08-07 → 2008-08-07
    Underwater operations in progress until further notice by cableship ile de sein along trackline joining…
  41. HYDROLANT 1294/082008-08-06 → 2008-08-30
    Cable laying operations by cableship ile de sein: a. 07 thru 31 aug vicinity of trackline joining 63-36.12N…
  42. NAVAREA IV 306/082008-08-06 → 2008-09-07
    Cable laying operations by cableship ile de sein: a. 07 thru 31 aug vicinity of trackline joining 63-36.12N…
  43. HYDROLANT 1208/082008-07-21 → 2008-08-04
    Cable laying operations in progress until further notice by cableship sovereign vicinity of trackline…
  44. HYDROLANT 1085/082008-07-01 → 2008-07-07
    Underwater operations in progress until further notice by cableship sovereign vicinity of trackline joining…
  45. HYDROLANT 1018/082008-06-22 → 2008-08-02
    Seismic survey in progress until 10 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  46. HYDROLANT 1004/082008-06-18 → 2008-06-22
    Seismic survey 21 thru 30 jun by M/V cgg amadeus towing eight 6500 meter long cables in areas bound by: a.…
  47. NAVAREA IV 229/082008-06-17 → 2008-09-30
    Seismic survey in progress until further notice by M/V veritas vantage in area bound by 46-35N 047-59W,…
  48. HYDROLANT 971/082008-06-11 → 2008-06-18
    Seismic survey in progress until 20 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  49. NAVAREA IV 211/082008-06-05 → 2008-06-18
    Seismic survey in progress until further notice by M/V veritas vantage and M/V kondor explorer in area bound…
  50. HYDROLANT 918/082008-06-02 → 2008-06-11
    Seismic survey in progress until 10 jun by M/V cgg amadeus towing eight 6500 meter long cables in area bound…

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 20 · seahazards