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 · 19 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 270/042004-02-14 → 2004-02-17
    Seismic survey in progress until 16 feb by M/V bulldog towing two 15 meter long cables in area bound by…
  2. HYDROLANT 269/042004-02-14 → 2004-02-17
    Seismic survey in progress until 16 feb by M/V tropicaliente towing two 20 meter long cables in area bound…
  3. HYDROLANT 253/042004-02-12 → 2004-02-19
    Seismic survey in progress until 190300Z feb by M/V ramform viking towing eight 6000 meter long cables in…
  4. HYDROLANT 252/042004-02-12 → 2004-02-12
    Seismic survey in progress until 150159Z feb by M/V cgg harmattan towing six 6000 meter long cables in area…
  5. HYDROLANT 247/042004-02-11 → 2004-02-14
    Seismic survey in progress until 13 feb by M/V tropicaliente towing two 20 meter long cables in area bound…
  6. HYDROLANT 246/042004-02-11 → 2004-02-14
    Seismic survey in progress until 13 feb by M/V bulldog towing two 15 meter long cables in area bound by…
  7. HYDROLANT 241/042004-02-10 → 2004-02-12
    Seismic survey in progress until 120159Z feb by M/V cgg harmattan towing six 6000 meter long cables in area…
  8. HYDROLANT 240/042004-02-10 → 2004-02-12
    Seismic survey in progress until 120159Z feb by M/V polar princess towing 6000 meter long cable in area…
  9. HYDROLANT 234/042004-02-08 → 2004-02-12
    Seismic survey in progress until 120300Z feb by M/V ramform viking towing eight 6000 meter long cables in…
  10. HYDROLANT 222/042004-02-07 → 2004-02-11
    Seismic survey in progress until 10 feb by M/V bulldog towing two 15 meter long cables in area bound by…
  11. HYDROLANT 217/042004-02-06 → 2004-02-11
    Seismic survey in progress until 10 feb by M/V tropicaliente towing two 20 meter long cables in area bound…
  12. HYDROLANT 216/042004-02-06 → 2004-02-10
    Seismic survey in progress until 100159Z feb by M/V polar princess towing 6000 meter long cable in area…
  13. HYDROLANT 215/042004-02-06 → 2004-02-10
    Seismic survey in progress until 100159Z feb by M/V cgg harmattan towing six 6000 meter long cables in area…
  14. HYDROLANT 210/042004-02-05 → 2004-02-08
    Seismic survey in progress until 07 feb by M/V bulldog towing two 15 meter long cables in area bound by…
  15. HYDROLANT 198/042004-02-03 → 2004-02-06
    Seismic survey in progress until 060159Z feb by M/V cgg harmattan towing six 6000 meter long cables in area…
  16. HYDROLANT 197/042004-02-03 → 2004-02-06
    Seismic survey in progress until 060159Z feb by M/V polar princess towing 6000 meter long cable in area…
  17. HYDROLANT 193/042004-02-02 → 2004-02-05
    Seismic survey in progress until 04 feb by M/V tropicaliente towing two 20 meter long cables in area bound…
  18. HYDROLANT 185/042004-02-01 → 2004-02-03
    Seismic survey in progress until 030159Z feb by M/V polar princess towing 6000 meter long cable in area…
  19. HYDROLANT 184/042004-02-01 → 2004-02-03
    Seismic survey in progress until 030159Z feb by M/V cgg harmattan towing six 6000 meter long cables in area…
  20. HYDROLANT 168/042004-01-29 → 2004-01-31
    Seismic survey in progress until 310159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  21. HYDROLANT 167/042004-01-29 → 2004-02-01
    Seismic survey in progress until 010300Z feb by M/V tropicaliente towing two 20 meter long cables in area…
  22. HYDROLANT 162/042004-01-28 → 2004-01-31
    Seismic survey in progress until 310159Z jan by M/V polar princess towing 6000 meter long cable in area…
  23. HYDROLANT 161/042004-01-28 → 2004-02-05
    Seismic survey in progress until 050300Z feb by M/V ramform viking towing eight 6000 meter long cables in…
  24. HYDROLANT 149/042004-01-26 → 2004-01-29
    Seismic survey in progress until 29 jan by M/V tropicaliente towing two 20 meter long cables in area bound…
  25. HYDROLANT 138/042004-01-24 → 2004-01-28
    Seismic survey in progress until 280159Z jan by M/V polar princess towing 6000 meter long cable in area…
  26. HYDROLANT 137/042004-01-24 → 2004-01-27
    Seismic survey in progress until 26 jan by M/V bulldog towing two 15 meter long cables in area bound by…
  27. HYDROLANT 123/042004-01-22 → 2004-01-28
    Seismic survey in progress until 280300Z jan by M/V ramform viking towing eight 6000 meter long cables in…
  28. HYDROLANT 122/042004-01-22 → 2004-01-24
    Seismic survey in progress until 250159Z jan by M/V polar princess towing 6000 meter long cable in area…
  29. HYDROLANT 112/042004-01-21 → 2004-01-22
    Seismic survey in progress until 220300Z jan by M/V ramform viking towing ten 4600 meter long cables in area…
  30. HYDROLANT 110/042004-01-21 → 2004-01-24
    Seismic survey in progress until 23 jan by M/V bulldog towing two 15 meter long cables in area bound by…
  31. HYDROLANT 104/042004-01-19 → 2004-01-22
    Seismic survey in progress until 220159Z jan by M/V polar princess towing 6000 meter long cable in area…
  32. HYDROLANT 103/042004-01-19 → 2004-01-20
    Seismic survey in progress until 220159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  33. HYDROLANT 97/042004-01-18 → 2004-01-21
    Seismic survey in progress until jan 20 by M/V bulldog towing two 15 meter long cables in area bound by…
  34. HYDROLANT 85/042004-01-16 → 2004-01-20
    Seismic survey in progress until 200200Z jan by M/V ramform viking towing ten 4600 meter long cables in area…
  35. HYDROLANT 84/042004-01-16 → 2004-01-19
    Seismic survey in progress until 190159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  36. HYDROLANT 83/042004-01-16 → 2004-01-19
    Seismic survey in progress until 190159Z jan by M/V polar princess towing 6000 meter long cable in area…
  37. HYDROLANT 72/042004-01-14 → 2004-01-16
    Seismic survey in progress until 160159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  38. HYDROLANT 70/042004-01-14 → 2004-01-18
    Seismic survey in progress until 180200Z jan by M/V bulldog towing two 15 meter long cables in area bound by…
  39. HYDROLANT 67/042004-01-13 → 2004-01-16
    Seismic survey in progress until 160159Z jan by M/V polar princess towing 6000 meter long cable in area…
  40. HYDROLANT 66/042004-01-13 → 2004-01-16
    Seismic survey in progress until 160200Z jan by M/V ramform viking towing ten 4600 meter long cables in area…
  41. HYDROLANT 53/042004-01-11 → 2004-01-14
    Seismic survey in progress until 140159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  42. HYDROLANT 52/042004-01-11 → 2004-01-13
    Seismic survey in progress until 130159Z jan by M/V polar princess towing 6000 meter long cable in area…
  43. HYDROLANT 51/042004-01-11 → 2004-01-14
    Seismic survey 120300Z to 140300Z jan by M/V bulldog towing two 15 meter long cables in area bound by…
  44. HYDROLANT 38/042004-01-09 → 2004-01-13
    Seismic survey in progress until 130200Z jan by M/V ramform viking towing ten 4600 meter long cables in area…
  45. HYDROLANT 32/042004-01-08 → 2004-01-11
    Seismic survey 080200Z to 110159Z jan by M/V polar princess towing 6000 meter long cable in area bound by…
  46. HYDROLANT 31/042004-01-08 → 2004-01-11
    Seismic survey 080200Z to 110159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area bound…
  47. HYDROLANT 30/042004-01-07 → 2004-01-11
    Seismic survey 090300Z to 110300Z jan by M/V bulldog towing 15 meter long cable in area bound by 13-31.2S…
  48. HYDROLANT 26/042004-01-06 → 2004-01-08
    Seismic survey in progress until 080159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  49. HYDROLANT 24/042004-01-06 → 2004-01-08
    Seismic survey in progress until 080300Z jan by M/V bulldog towing 15 meter long cable in area bound by…
  50. HYDROLANT 13/042004-01-04 → 2004-01-09
    Seismic survey in progress until 090200Z jan by M/V ramform viking towing ten 4600 meter long cables in area…

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 63 · seahazards