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 · 52 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 767/002000-03-01 → 2000-03-08
    Seismic survey in progress until 08 mar by M/V western atlas towing 5000 meter long cable in area bound by…
  2. HYDROLANT 764/002000-02-29 → 2000-03-03
    Seismic survey in progress until 02 mar by M/V geco tau towing 8334 meter long cable in area bound by 21-00S…
  3. HYDROLANT 757/002000-02-29 → 2000-02-29
    Seismic survey in progress until 02 mar by M/V geco tau towing 8350 meter long cable in area bound by 21-07S…
  4. HYDROLANT 756/002000-02-29 → 2000-03-03
    Seismic survey in progress until 02 mar by M/V ramford vanguard and M/V falcon explorer towing ten 4800…
  5. HYDROLANT 751/002000-02-29 → 2000-03-03
    Seismic survey in progress until 02 mar by M/V ramform explorer and M/V okra 1 towing eight 4800 meter long…
  6. HYDROLANT 750/002000-02-29 → 2000-03-03
    Seismic survey in progress until 02 mar by M/V ramform victory towing eight 7050 meter long cables in area…
  7. HYDROLANT 745/002000-02-28 → 2000-03-01
    Seismic survey in progress until 01 mar by M/V western atlas towing 5000 meter long cable in area bound by…
  8. HYDROLANT 744/002000-02-28 → 2000-03-01
    Seismic survey in progress until 01 mar by M/V northern access towing 8710 meter long cable in area bound by…
  9. HYDROLANT 737/002000-02-27 → 2000-03-01
    Seismic survey in progress until 29 feb by M/V akademik nikolaj straknov towing 1500 meter long cable in…
  10. HYDROLANT 736/002000-02-27 → 2000-02-29
    Seismic survey in progress until 28 feb by M/V ramform explorer and M/V kondor explorer towing eight 4800…
  11. HYDROLANT 735/002000-02-27 → 2000-03-01
    Seismic survey in progress until 29 feb by M/V geco diamond towing eight 5556 meter long cables in area…
  12. HYDROLANT 734/002000-02-27 → 2000-03-01
    Seismic survey in progress until 29 feb by M/V geo arctic towing 9100 meter long cable in area bound by…
  13. HYDROLANT 720/002000-02-26 → 2000-02-27
    Seismic survey in progress thru 26 feb by M/V geo arctic towing 9000 meter long cable in area bound by…
  14. HYDROLANT 719/002000-02-26 → 2000-02-29
    Seismic survey in progress until 28 feb by M/V geco tau towing 9260 meter long cable in area bound by 21-07S…
  15. HYDROLANT 716/002000-02-26 → 2000-02-29
    Seismic survey in progress until 28 feb by M/V ramford vanguard and M/V falcon explorer towing ten 4800…
  16. HYDROLANT 703/002000-02-25 → 2000-02-28
    Seismic survey in progress until 27 feb by M/V geco diamond towing eight 5556 meter long cables in area…
  17. HYDROLANT 702/002000-02-25 → 2000-02-28
    Seismic survey in progress until 27 feb by M/V northern access towing 8710 meter long cable in area bound by…
  18. HYDROLANT 697/002000-02-25 → 2000-02-27
    Seismic survey in progress until 26 feb by M/V geo arctic towing 9000 meter long cable in area bound by…
  19. HYDROLANT 696/002000-02-25 → 2000-02-28
    Seismic survey in progress until 27 feb by M/V akademik shatskiy towing 8400 meter long cable in area bound…
  20. HYDROLANT 694/002000-02-25 → 2000-02-28
    Seismic survey in progress until 27 feb by M/V western kenda towing 8000 meter long cable in area bound by…
  21. HYDROLANT 683/002000-02-24 → 2000-02-27
    Seismic survey in progress until 26 feb by M/V ramform explorer and M/V kondor explorer towing eight 4800…
  22. HYDROLANT 682/002000-02-24 → 2000-02-27
    Seismic survey in progress until 26 feb by M/V akademik nikolaj straknov towing 1500 meter long cable in…
  23. HYDROLANT 681/002000-02-24 → 2000-02-28
    Seismic survey in progress until 27 feb by M/V western atlas towing 5000 meter long cable in area bound by…
  24. HYDROLANT 673/002000-02-23 → 2000-02-26
    Seismic survey in progress until 25 feb by M/V ramford vanguard and M/V falcon explorer towing ten 4800…
  25. HYDROLANT 671/002000-02-23 → 2000-02-26
    Seismic survey in progress until 25 feb by M/V geco eagle towing eight 7408 meter long cables in area bound…
  26. HYDROLANT 670/002000-02-23 → 2000-02-26
    Seismic survey in progress until 25 feb by M/V geco tau towing 9260 meter long cable in area bound by 21-10S…
  27. HYDROLANT 669/002000-02-23 → 2000-02-26
    Seismic survey in progress until 25 feb by M/V ramford victory towing eight 7038 meter long cables in area…
  28. HYDROLANT 662/002000-02-22 → 2000-02-25
    Seismic survey in progress until 24 feb by M/V geco diamond towing 8350 meter long cable in area bound by…
  29. HYDROLANT 661/002000-02-22 → 2000-02-25
    Seismic survey in progress until 24 feb by M/V akademik shatskiy towing 8400 meter long cable in area bound…
  30. HYDROLANT 660/002000-02-22 → 2000-02-25
    Seismic survey in progress until 24 feb by M/V western kenda towing 8000 meter long cable in area bound by…
  31. HYDROLANT 659/002000-02-22 → 2000-02-24
    Seismic survey in progress until 24 feb by M/V western atlas towing 5000 meter long cable in area bound by…
  32. HYDROLANT 647/002000-02-21 → 2000-02-24
    Seismic survey in progress until 23 feb by M/V geo arctic towing 9075 meter long cable in area bound by…
  33. HYDROLANT 646/002000-02-21 → 2000-02-24
    Seismic survey in progress until 23 feb by M/V akademik nikolaj straknov towing 1500 meter long cable in…
  34. HYDROLANT 645/002000-02-21 → 2000-02-24
    Seismic survey in progress until 23 feb by M/V ramform explorer and M/V kondor explorer towing eight 4800…
  35. HYDROLANT 642/002000-02-20 → 2000-02-24
    Seismic survey in progress until 23 feb by M/V polar search towing 9075 meter long cable vicinity 22-59.7S…
  36. HYDROLANT 638/002000-02-20 → 2000-02-23
    Seismic survey in progress until 22 feb by M/V ramford vanguard and M/V falcon explorer towing ten 4800…
  37. HYDROLANT 634/002000-02-20 → 2000-02-23
    Seismic survey in progress until 22 feb by M/V ramford victory and M/V orcal towing eight 7000 meter long…
  38. HYDROLANT 633/002000-02-20 → 2000-02-22
    Seismic survey in progress until 22 feb by M/V akademik shatskiy towing 8400 meter long cable in area bound…
  39. HYDROLANT 630/002000-02-20 → 2000-02-22
    Seismic survey in progress until 21 feb by M/V northern access towing eight 7408 meter long cables in area…
  40. HYDROLANT 629/002000-02-20 → 2000-02-21
    Seismic survey in progress until 20 feb by M/V ramform explorer and M/V kondor explorer towing eight 4800…
  41. HYDROLANT 627/002000-02-20 → 2000-02-23
    Seismic survey in progress until 22 feb by M/V geco tau towing 9260 meter long cable in area bound by 21-19S…
  42. HYDROLANT 620/002000-02-19 → 2000-02-22
    Seismic survey in progress until 21 feb by M/V western kenda towing 8000 meter long cable in area bound by…
  43. HYDROLANT 614/002000-02-18 → 2000-02-21
    Seismic survey in progress until 20 feb by M/V akademik nikolaj straknov towing 1500 meter long cable in…
  44. HYDROLANT 613/002000-02-18 → 2000-02-22
    Seismic survey in progress until 21 feb by M/V geco diamond towing 8350 meter long cable in area bound by…
  45. HYDROLANT 612/002000-02-18 → 2000-02-22
    Seismic survey in progress until 21 feb by M/V western kenda towing 8000 meter long cable in area bound by…
  46. HYDROLANT 611/002000-02-18 → 2000-02-21
    Seismic survey in progress until 20 feb by M/V geo arctic towing 9075 meter long cable in area bound by…
  47. HYDROLANT 610/002000-02-18 → 2000-02-20
    Seismic survey in progress until 19 feb by M/V ramform explorer and M/V kondor explorer towing eight 4800…
  48. HYDROLANT 597/002000-02-17 → 2000-02-20
    Seismic survey in progress until 19 feb by M/V akademik shatskiy towing 8400 meter long cable in area bound…
  49. HYDROLANT 596/002000-02-17 → 2000-02-20
    Seismic survey in progress until 19 feb by M/V ramform victory towing eight 7000 meter long cables in area…
  50. HYDROLANT 595/002000-02-17 → 2000-02-20
    Seismic survey in progress until 19 feb by M/V geco tau towing 9260 meter long cable in area bound by 24-04S…

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 99 · seahazards