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 325/022002-02-07 → 2002-02-14
    Underwater cable operations in progress until further notice by cableship dock express 20 along trackline…
  2. HYDROLANT 274/022002-02-03 → 2002-02-07
    Underwater cable operations in progress until 06 feb by M/V dock express 20 vicinity of 48-03N 010-42W
  3. HYDROLANT 197/022002-01-27 → 2002-02-13
    Underwater operations in progress until further notice by cableship monarch vicinity 59-42N 002-57W
  4. HYDROLANT 121/022002-01-17 → 2002-03-30
    Seismic survey in progress until further notice by M/V ramform valiant towing ten 6000 meter long cables in…
  5. HYDROLANT 24/022002-01-04 → 2002-01-13
    Underwater operations in progress until further notice by cableship normand cutter vicinity of trackline…
  6. HYDROLANT 3278/012001-12-27 → 2002-01-17
    Seismic survey in progress until further notice by M/V ramform valiant towing ten 6000 meter long cables in…
  7. HYDROLANT 3259/012001-12-23 → 2001-12-27
    Seismic survey in progress until 152359Z mar by cableship ramform valiant towing ten 6000 meter long cables…
  8. HYDROLANT 3233/012001-12-21 → 2001-12-24
    Underwater cable operations in progress until further notice by cableship dock progress 20 along trackline…
  9. HYDROLANT 2716/012001-10-19 → 2001-10-30
    Underwater cable operations until further notice by cableship leon thevenin within ten miles of 39-00N 027-55W
  10. NAVAREA IV 365/012001-09-19 → 2001-10-04
    Underwater cable operations 201400Z sep until further notice by cableship teleri vicinity of trackline…
  11. HYDROLANT 2488/012001-09-18 → 2001-09-29
    Seismic survey in progress until 28 sep by M/V cgg alize towing ten 6600 meter long cables in area bound by…
  12. NAVAREA IV 336/012001-09-08 → 2001-09-18
    Underwater operations 092300Z sep until further notice by cableship teliri vicinity of trackline joining…
  13. HYDROLANT 2409/012001-09-04 → 2001-09-18
    Seismic survey in progress until 20 sep by M/V cgg alize towing ten 6600 meter long cables in area bound by…
  14. NAVAREA IV 326/012001-08-30 → 2001-12-03
    Seismic survey in progress until further notice by M/V gsi admiral towing 6500 meter long cable in area…
  15. HYDROLANT 2206/012001-08-10 → 2001-08-14
    Underwater operations in progress until further notice by cableship maersk forwarder vicinity 59-56N 003-05W
  16. HYDROLANT 2173/012001-08-05 → 2001-08-10
    Underwater operations in progress until further notice by cableship maersk forwarder vicinity 59-54N 002-47W
  17. NAVAREA IV 283/012001-07-27 → 2001-08-28
    Seismic survey in progress until further notice by M/V professor polshkov towing 6500 meter long cable in…
  18. NAVAREA IV 270/012001-07-19 → 2001-07-27
    Seismic survey in progress until further notice by M/V professor polshkov towing 6500 meter long cable in…
  19. NAVAREA IV 222/012001-06-26 → 2001-07-09
    Seismic survey in progress until further notice by M/V professor polshkov towing 3.5 mile long cable in area…
  20. NAVAREA IV 220/012001-06-25 → 2001-09-21
    Seismic survey in progress until 210800Z sep by M/V universal surveyor in area bound by 11-27-16N…
  21. HYDROLANT 1627/012001-06-05 → 2001-06-13
    Underwater cable operations in progress until 12 jun by cableship ocean challenger vicinity of trackline…
  22. HYDROLANT 1610/012001-06-03 → 2001-06-05
    Underwater cable operations in progress until further notice by cableship ocean challenger vicinity of…
  23. HYDROLANT 1593/012001-06-01 → 2001-06-06
    Underwater cable operations 02 thru 05 jun by cableship leon thevenin within one mile of 14-38.0N 017-27.1W
  24. NAVAREA IV 172/012001-05-21 → 2001-05-24
    Underwater operations 211900Z may until further notice by cableship teliri within three miles of 39-41.7N…
  25. HYDROLANT 1292/012001-05-01 → 2001-05-13
    Underwater cable operations in progress until further notice by cableship iberus along trackline between…
  26. NAVAREA IV 149/012001-05-01 → 2001-05-13
    Underwater cable operations in progress until further notice by cableship iberus along trackline between…
  27. HYDROLANT 1272/012001-04-28 → 2001-04-29
    Seismic survey in progress until 292200Z apr by M/V new venture in area bound by 47-40N 008-05W, 48-15N…
  28. HYDROLANT 1228/012001-04-23 → 2001-04-25
    Cable operations in progress until 28 apr by cableship oceanic viking towing cables along trackline between…
  29. HYDROLANT 1207/012001-04-20 → 2001-04-25
    Underwater cable operations 22 apr until further notice by cableship leon thevenin along trackline joining…
  30. HYDROLANT 1206/012001-04-20 → 2001-04-24
    Underwater operations in progress until further notice by cableship peter faber vicinity 59-55N 002-58W
  31. HYDROLANT 1189/012001-04-18 → 2001-05-19
    Underwater cable operations in progress until further notice by cableship teleri vicinity of trackline…
  32. NAVAREA IV 132/012001-04-18 → 2001-05-19
    Underwater cable operations in progress until further notice by cableship teleri vicinity of trackline…
  33. HYDROLANT 1147/012001-04-13 → 2001-04-17
    Cable operations in progress until further notice by cableship leon thevenin along trackline joining…
  34. NAVAREA IV 118/012001-04-05 → 2001-04-10
    Submarine cable operations in progress until further notice by cableship heimdal along trackline between…
  35. NAVAREA IV 111/012001-04-03 → 2001-04-05
    Submarine cable operations in progress until further notice by cableship heimdal along trackline joining…
  36. NAVAREA IV 64/012001-02-21 → 2001-06-30
    Seismic survey in progress until further notice by M/V western legend towing seven 5200 meter long cables in…
  37. NAVAREA IV 62/012001-02-16 → 2001-02-21
    Seismic survery 191100Z feb to 191100Z aug by M/V western legend in area bound by 11-27.1N 055-58.3W,…
  38. NAVAREA IV 42/012001-02-06 → 2001-02-16
    Underwater operations in progress until further notice by cableship wave sentinel with submersible along…
  39. HYDROLANT 413/012001-02-04 → 2001-02-15
    Seismic survey in progres until 14 feb by M/V geo prospector towing six 1500 meter long cables in area bound…
  40. HYDROLANT 386/012001-02-01 → 2001-07-06
    Seismic survey in progress until further notice by M/V aker symphony towing eight cables in area bound by…
  41. HYDROLANT 383/012001-02-01 → 2001-02-06
    Underwater operations in progress until further notice by cableship havila reel vicinity 55-14N 010-11W
  42. HYDROLANT 367/012001-01-31 → 2001-02-05
    Underwater operations in progress until further notice by cableship vercors vicinity of trackline between…
  43. HYDROLANT 342/012001-01-29 → 2001-02-06
    Underwater operations in progress until further notice by cableship iberus within seven miles of trackline…
  44. HYDROLANT 132/012001-01-12 → 2001-01-13
    Underwater cable operations in progress until further notice by cableship vercors vicinity of trackline…
  45. HYDROLANT 4258/002000-12-28 → 2000-12-31
    Underwater operations in progress until further notice by cableship atlantida vicinity of trackline between…
  46. HYDROLANT 4244/002000-12-27 → 2000-12-28
    Underwater operations in progress until further notice by cableship atlantida vicinity of trackline between…
  47. HYDROLANT 4229/002000-12-25 → 2000-12-27
    Underwater operations in progress until further notice by cableship atlantida vicinity of trackline between…
  48. HYDROLANT 4222/002000-12-24 → 2000-12-25
    Underwater operations in progress until further notice by cableship atlantida along trackline between 55-25N…
  49. HYDROLANT 4207/002000-12-23 → 2000-12-30
    Seismic survey in progress until 29 dec by M/V western inlet towing 6667 meter long cable with submerged…
  50. HYDROLANT 4186/002000-12-21 → 2000-12-24
    Underwater operations in progress until further notice by cableship atlantida along trackline between 55-32N…

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 26 · seahazards