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. NAVAREA IV 488/002000-11-29 → 2000-12-03
    Underwater cable operations in progress until further notice by cableship C.S
  2. NAVAREA IV 486/002000-11-27 → 2000-11-29
    Underwater cable operations in progress until further notice by cableship C.S
  3. NAVAREA IV 482/002000-11-25 → 2000-11-27
    Underwater cable operations in progress until further notice by cableship C.S
  4. NAVAREA IV 479/002000-11-22 → 2000-11-25
    Underwater cable operations in progress until further notice by cableship C.S
  5. HYDROLANT 3895/002000-11-20 → 2000-12-22
    Cable laying operations in progress until further notice by cableship vercors vicinity of trackline between…
  6. NAVAREA IV 476/002000-11-20 → 2000-12-22
    Cable laying operations in progress until further notice by cableship vercors vicinity of trackline between…
  7. HYDROLANT 3876/002000-11-18 → 2000-11-26
    Seismic survey in progress until 25 nov by M/V western inlet towing 6667 meter long cable in area bound by…
  8. NAVAREA IV 469/002000-11-14 → 2000-11-17
    Underwater cable operations in progress until further notice by cableship C.S
  9. HYDROLANT 3804/002000-11-11 → 2000-11-18
    Seismic survey in progress until 18 nov by M/V western inlet towing 6667 meter long cable in area bound by…
  10. NAVAREA IV 458/002000-11-06 → 2000-11-20
    Cable laying operations 07 thru 21 nov by cableship vercors along trackline joining 44-30N 063-33W, 40-13N…
  11. HYDROLANT 3707/002000-11-04 → 2000-11-12
    Seismic survey in progress until 11 nov by M/V western inlet towing 6667 meter long cable in area bound by…
  12. HYDROLANT 3635/002000-10-28 → 2000-11-04
    Seismic survey in progress until 04 nov by M/V western inlet towing 6667 meter long cable in area bound by…
  13. HYDROLANT 3568/002000-10-21 → 2000-10-28
    Seismic survey in progress until 27 oct by M/V western inlet towing 6667 meter long cable in area bound by…
  14. HYDROLANT 3498/002000-10-14 → 2000-10-21
    Seismic survey in progress until 20 oct by M/V western inlet towing 6667 meter long cable in area bound by…
  15. HYDROLANT 3428/002000-10-06 → 2000-10-14
    Seismic survey in progress until 13 oct by M/V western inlet towing 6667 meter long cable in area bound by…
  16. HYDROLANT 3371/002000-10-02 → 2000-10-06
    Seismic survey in progress until 07 oct by M/V western inlet towing 6667 meter long cable in area bound by…
  17. HYDROLANT 3358/002000-09-30 → 2000-10-02
    Seismic survey in progress until 07 oct by M/V western inlet towing 6667 meter long cable in area bound by…
  18. HYDROLANT 3316/002000-09-27 → 2000-09-30
    Seismic survey in progress until 29 sep by M/V mezen towing 8000 meter long cable in area bound by 01-45N…
  19. HYDROLANT 3305/002000-09-26 → 2000-09-27
    Seismic survey in progress until 27 sep by M/V mezen towing 8000 meter long cable in area bound by 03-00N…
  20. HYDROLANT 3275/002000-09-23 → 2000-09-30
    Seismic survey in progress until 30 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  21. HYDROLANT 3262/002000-09-22 → 2000-09-25
    Seismic survey in progress until 24 sep by M/V mezen towing 8000 meter long cable in area bound by 02-50N…
  22. HYDROLANT 3246/002000-09-20 → 2000-09-22
    Seismic survey in progress until 23 sep by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  23. NAVAREA IV 393/002000-09-19 → 2000-10-03
    Seismic survey in progress until further notice by M/V polar duke towing 7000 meter long cable in area bound…
  24. HYDROLANT 3229/002000-09-19 → 2000-09-20
    Seismic survey in progress until 19 sep by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  25. NAVAREA IV 391/002000-09-17 → 2000-10-01
    Cable laying operations in progress until 30 sep by cableship subaru vicinity 38-45.3N 055-03.2W
  26. HYDROLANT 3208/002000-09-17 → 2000-09-19
    Seismic survey in progress until 19 sep by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  27. HYDROLANT 3207/002000-09-17 → 2000-09-19
    Seismic survey in progress until 23 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  28. HYDROLANT 3173/002000-09-14 → 2000-09-17
    Seismic survey in progress until 16 sep by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  29. HYDROLANT 3172/002000-09-14 → 2000-09-17
    Seismic survey in progress until 16 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  30. HYDROLANT 3136/002000-09-11 → 2000-09-14
    Seismic survey in progress until 13 sep by M/V mezen towing 8000 meter long cable in area bound by 05-40N…
  31. NAVAREA IV 374/002000-09-10 → 2000-09-21
    Cable operations in progress until 24 sep by cableship vercors along trackline between 40-00N 047-00W and…
  32. HYDROLANT 3125/002000-09-09 → 2000-09-10
    Cable operations 09 thru 24 sep by cableship vercors along trackline between 40-00N 047-00W and 40-00N 046-00W
  33. HYDROLANT 3120/002000-09-09 → 2000-09-14
    Seismic survey in progress until 13 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  34. HYDROLANT 3095/002000-09-07 → 2000-09-09
    Seismic survey 08 thru 09 sep by M/V western inlet towing 6667 meter long cable in area bound by 02-43N…
  35. HYDROLANT 3094/002000-09-07 → 2000-09-11
    Seismic survey in progress until 10 sep by M/V mezen towing 8000 meter long cable in area bound by 04-30N…
  36. NAVAREA IV 364/002000-09-05 → 2000-09-17
    Submarine cable operations in progress until 16 sep by cableship global mariner vicinity of trackline…
  37. HYDROLANT 3072/002000-09-05 → 2000-09-07
    Seismic survey in progress until 07 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  38. HYDROLANT 3045/002000-09-02 → 2000-09-05
    Seismic survey in progress until 04 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  39. HYDROLANT 3022/002000-08-31 → 2000-09-02
    Seismic survey in progress until 02 sep by M/V western inlet towing 6667 meter long cable in area bound by…
  40. HYDROLANT 2968/002000-08-26 → 2000-08-29
    Seismic survey in progress until 28 aug by M/V mezen towing 8000 meter long cable in area bound by 05-20N…
  41. HYDROLANT 2967/002000-08-26 → 2000-08-31
    Seismic survey in progress until 30 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  42. HYDROLANT 2934/002000-08-23 → 2000-08-26
    Seismic survey in progress until 25 aug by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  43. HYDROLANT 2919/002000-08-22 → 2000-08-23
    Seismic survey in progress until 24 aug by M/V mezen towing 8000 meter long cable in area bound by 00-40S…
  44. HYDROLANT 2895/002000-08-19 → 2000-08-27
    Seismic survey in progress until 26 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  45. HYDROLANT 2889/002000-08-19 → 2000-08-23
    Seismic survey in progress until 22 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  46. HYDROLANT 2886/002000-08-18 → 2000-09-05
    Submarine cable operations 20 aug thru 16 sep by cableship global mariner vicinity of trackline joining…
  47. HYDROLANT 2874/002000-08-17 → 2000-08-20
    Seismic survey in progress until 19 aug by M/V mezen towing 8000 meter long cable in area bound by 04-40N…
  48. HYDROLANT 2849/002000-08-15 → 2000-08-17
    Seismic survey in progress until 16 aug by M/V mezen towing 8000 meter long cable in area bound by 04-00N…
  49. HYDROLANT 2839/002000-08-14 → 2000-08-18
    Seismic survey in progress until 17 aug by M/V western inlet towing 6667 meter long cable in area bound by…
  50. HYDROLANT 2803/002000-08-11 → 2000-08-15
    Seismic survey in progress until 14 aug by M/V mezen towing 8000 meter long cable in area bound by 05-00N…

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 27 · seahazards