Cable & pipeline work in the South Atlantic Ocean

Cable laying, pipeline and seismic operations.

in force
2
last 12 months
3
vs previous 12 (2)
+50%
since 1998
5,172

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 · 2

  1. HYDROLANT 1497/26in force2026-08-04
    Survey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.
    South Atlantic · Angola
  2. NAVAREA II 269/26in force2026-07-02
    Seismic survey by vessel Ramform Victory is in progress off Pointe Noire until further notice; wide berth requested.
    Pointe Noire

Longest in force

  1. NAVAREA II 269/26in force2026-07-02 · 51 d
    Seismic survey by vessel Ramform Victory is in progress off Pointe Noire until further notice; wide berth requested.
    Pointe Noire
  2. HYDROLANT 1497/26in force2026-08-04 · 18 d
    Survey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.
    South Atlantic · Angola

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
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the South Atlantic Ocean

Archive · 5,170 cancelled

  1. HYDROLANT 724/082008-04-29 → 2008-05-06
    Seismic survey by M/V akademik shatskiy towing five mile long cable with support vessel el gaucho until…
  2. HYDROLANT 720/082008-04-28 → 2008-04-30
    Seismic survey in progress until 300259Z apr by M/V discoverer in area bound by 21-15S 038-12W, 21-18S…
  3. HYDROLANT 717/082008-04-27 → 2008-04-29
    Seismic survey by M/V akademik shatskiy towing five mile long cable with support vessel el gaucho until…
  4. HYDROLANT 710/082008-04-26 → 2008-04-28
    Seismic survey in progress until 280259Z apr by M/V discoverer in area bound by 20-44S 038-08W, 20-48S…
  5. HYDROLANT 698/082008-04-23 → 2008-04-27
    Seismic survey by M/V akademik shatskiy towing five mile long cable with support vessel el gaucho until…
  6. HYDROLANT 686/082008-04-22 → 2008-04-23
    Seismic survey by M/V akademik shatskiy towing five mile long cable with support vessel el gaucho until…
  7. HYDROLANT 665/082008-04-19 → 2008-04-26
    Seismic survey 210300Z to 260259Z apr by M/V discoverer in area bound by 24-19S 038-50W, 24-22S 038-45W,…
  8. HYDROLANT 662/082008-04-18 → 2008-04-22
    Seismic survey by M/V akademik shatskiy towing five mile long cable with support vessel el gaucho until…
  9. HYDROLANT 637/082008-04-15 → 2008-04-16
    Seismic survey in progress until 160259Z apr by M/V discoverer in area bound by 26-00S 039-13W, 25-51S…
  10. HYDROLANT 623/082008-04-13 → 2008-04-18
    Seismic survey in progress by M/V akademik shatskiy towing five mile long cable in area bound by 37-11S…
  11. HYDROLANT 621/082008-04-13 → 2008-04-15
    Seismic survey 140300Z to 150259Z apr by M/V discoverer in area bound by 23-47S 042-50W, 23-51S 042-41W,…
  12. HYDROLANT 612/082008-04-12 → 2008-04-19
    Seismic survey 150300Z to 190259Z apr by M/V rig supporter with submersible in area bound by 24-20.2S…
  13. HYDROLANT 611/082008-04-11 → 2008-04-13
    Seismic survey in progress until further notice by M/V akademik shatskiy towing five mile long cable in area…
  14. HYDROLANT 604/082008-04-11 → 2008-04-11
    Seismic survey in progress until further notice by M/V akademik shatskiy towing five mile long cable in area…
  15. HYDROLANT 599/082008-04-10 → 2008-04-11
    Seismic survey in progress until further notice by M/V akademik shatskiy towing five mile long cable in area…
  16. HYDROLANT 590/082008-04-09 → 2008-04-13
    Seismic survey 110300Z to 130259Z apr by M/V discoverer in area bound by 26-43.00S 039-42.00W, 26-48.00S…
  17. HYDROLANT 589/082008-04-09 → 2008-04-11
    Seismic survey in progress until 110259Z apr by M/V discoverer in area bound by 26-42S 044-50W, 26-50S…
  18. HYDROLANT 572/082008-04-07 → 2008-04-10
    Seismic survey in progress until further notice by M/V akademik shatskiy towing five mile long cable in area…
  19. HYDROLANT 568/082008-04-06 → 2008-04-07
    Seismic survey in progress until further notice by M/V akademik shatskiy towing five mile long cable in area…
  20. HYDROLANT 565/082008-04-05 → 2008-04-06
    Seismic survey in progress until 060259Z apr by M/V discoverer in area bound by 26-42S 044-50W, 26-50S…
  21. HYDROLANT 554/082008-04-03 → 2008-04-06
    Seismic survey 040300Z to 060259Z apr by M/V rig supporter with submersible in area bound by 24-20.2S…
  22. HYDROLANT 553/082008-04-03 → 2008-04-05
    Seismic survey 040300Z to 050259Z apr by M/V discoverer in area bound by 26-15S 039-50W, 26-19S 039-50W,…
  23. HYDROLANT 544/082008-04-01 → 2008-04-03
    Seismic survey in progress until 030259Z apr by M/V rig supporter with submersible in area bound by 24-20.2S…
  24. HYDROLANT 536/082008-03-31 → 2008-04-03
    Seismic survey 020300Z to 030259Z apr by M/V discoverer in area bound by 26-15S 039-50W, 26-19S 039-50W,…
  25. HYDROLANT 529/082008-03-29 → 2008-04-02
    Seismic survey 010300Z to 020259Z apr by M/V discoverer in area bound by 25-26.99S 042-35.97W, 25-30.00S…
  26. HYDROLANT 506/082008-03-26 → 2008-04-01
    Seismic survey in progress until 010259Z apr by M/V rig supporter with submersible in area bound by…
  27. HYDROLANT 505/082008-03-26 → 2008-03-29
    Seismic survey in progress until 010259Z apr by M/V hawk explorer towing 10000 meter long cable in area…
  28. HYDROLANT 487/082008-03-22 → 2008-03-26
    Seismic survey in progress until 270259Z mar by M/V hawk explorer towing 10000 meter long cable in area…
  29. HYDROLANT 483/082008-03-21 → 2008-03-26
    Seismic survey 220300Z to 260259Z mar by M/V rig supporter with submersible in area bound by 24-20.20S…
  30. HYDROLANT 478/082008-03-20 → 2008-03-26
    Seismic survey 220300Z to 260259Z mar by M/V discoverer in area bound by 25-40.00S 045-13.00W, 25-45.00S…
  31. HYDROLANT 472/082008-03-18 → 2008-04-29
    Seismic survey in progress until further notice by M/V geco emerald towing six 8000 meter long cables in…
  32. HYDROLANT 454/082008-03-15 → 2008-03-21
    Seismic survey 180300Z to 210259Z mar by M/V discoverer in area bound by 26-38S 040-10W, 26-40S 040-00W,…
  33. HYDROLANT 453/082008-03-15 → 2008-03-21
    Seismic survey 170300Z to 210259Z mar by M/V rig supporter with submersible in area bound by 24-20.20S…
  34. HYDROLANT 451/082008-03-15 → 2008-03-16
    Seismic survey in progress until 160259Z mar by M/V hawk explorer towing 10000 meter long cable in area…
  35. HYDROLANT 450/082008-03-15 → 2008-03-22
    Seismic survey 160300Z to 220259Z mar by M/V hawk explorer towing 10000 meter long cable in area bound by…
  36. HYDROLANT 446/082008-03-14 → 2008-03-18
    Seismic survey in progress until 180259Z mar by M/V discoverer in area bound by 24-12S 042-54W, 24-22S…
  37. HYDROLANT 445/082008-03-14 → 2008-03-15
    Seismic survey in progress until 180259Z mar by M/V hawk explorer towing 10000 meter long cable in area…
  38. HYDROLANT 410/082008-03-09 → 2008-03-13
    Seismic survey in progress until 130259Z mar by M/V discoverer in area bound by 24-47S 042-43W, 26-18S…
  39. HYDROLANT 390/082008-03-04 → 2008-03-13
    Seismic survey in progress until 130259Z mar by M/V hawk explorer towing 10000 meter long cable in area…
  40. HYDROLANT 376/082008-02-29 → 2008-03-04
    Seismic survey in progress until 040259Z mar by M/V discoverer in area bound by 24-00S 040-46W, 24-10S…
  41. HYDROLANT 368/082008-02-27 → 2008-03-04
    Seismic survey 290300Z feb to 040259Z mar by M/V fugro explorer in area bound by 23-25.50S 041-14.00W,…
  42. HYDROLANT 361/082008-02-26 → 2008-03-04
    Seismic survey in progress until 040259Z mar by M/V hawk explorer towing 10000 meter long cable in area…
  43. HYDROLANT 347/082008-02-23 → 2008-02-29
    Seismic survey 250300Z to 290359Z feb by M/V discoverer towing 10500 meter long cable in area bound by…
  44. HYDROLANT 328/082008-02-20 → 2008-02-26
    Seismic survey in progress until 260259Z feb by M/V fugro explorer and M/V rig supporter with submersible in…
  45. HYDROLANT 303/082008-02-13 → 2008-02-19
    Seismic survey in progress until 190259Z feb by M/V rig supporter with submersible in area bound by…
  46. HYDROLANT 301/082008-02-13 → 2008-02-26
    Seismic survey in progress until 260259Z feb by M/V hawk explorer towing 10000 meter long cable in area…
  47. HYDROLANT 262/082008-02-07 → 2008-02-13
    Seismic survey in progress until 130259Z feb by M/V hawk explorer towing 10000 meter long cable in area…
  48. HYDROLANT 230/082008-02-02 → 2008-02-12
    Seismic survey in progress until 120259Z feb by M/V rig supporter with submersible in area bound by…
  49. HYDROLANT 213/082008-01-30 → 2008-02-07
    Seismic survey in progress until 070259Z feb by M/V hawk explorer towing 10000 meter long cable in area…
  50. HYDROLANT 212/082008-01-30 → 2008-02-02
    Seismic survey in progress until 020259Z feb by M/V rig supporter with submersible in area bound by…

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 South Atlantic Ocean — page 47 · seahazards