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 1806/002000-05-19 → 2000-05-22
    Seismic survey in progress until 21 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  2. HYDROLANT 1804/002000-05-19 → 2000-05-22
    Seismic survey in progress until 21 may by M/V polar search towing four 6482 meter long cables in area bound…
  3. HYDROLANT 1801/002000-05-19 → 2000-07-25
    Seismic survey in progress thru 29 jul by M/V cgg fohn towing eight two mile long cables in area bound by…
  4. HYDROLANT 1791/002000-05-18 → 2000-05-21
    Seismic survey in progress until 20 may by M/V geco diamond towing eight 5556 meter long cables in area…
  5. HYDROLANT 1788/002000-05-18 → 2000-05-23
    Seismic survey in progress until 23 may by M/V western atlas and M/V western patriot towing seven 3000 meter…
  6. HYDROLANT 1786/002000-05-18 → 2000-05-21
    Seismic survey in progress until 20 may by M/V western kenda towing 8000 meter long cable in area bound by…
  7. HYDROLANT 1780/002000-05-17 → 2000-05-20
    Seismic survey in progress until 19 may by M/V new venture towing 8500 meter long cable in area bound by…
  8. HYDROLANT 1768/002000-05-17 → 2000-05-20
    Seismic survey in progress until 19 may by M/V northern access towing 8704 meter long cable in area bound by…
  9. HYDROLANT 1753/002000-05-16 → 2000-05-19
    Seismic survey in progress until 18 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  10. HYDROLANT 1750/002000-05-16 → 2000-05-17
    Seismic survey in progress until 210300Z may by M/V new venture towing 8500 meter long cable in area bound…
  11. HYDROLANT 1739/002000-05-15 → 2000-05-18
    Seismic survey in progress until 17 may by M/V geco diamond towing eight 5556 meter long cables in area…
  12. HYDROLANT 1735/002000-05-15 → 2000-05-18
    Seismic survey in progress until 17 may by M/V western kenda towing 8000 meter long cable in area bound by…
  13. HYDROLANT 1734/002000-05-15 → 2000-06-16
    Cable laying operations in progress until further notice by M/V tyco provider vicinity of trackline between…
  14. HYDROLANT 1725/002000-05-14 → 2000-05-17
    Seismic survey in progress until 16 may by M/V northern access towing 8704 meter long cable in area bound by…
  15. HYDROLANT 1723/002000-05-14 → 2000-05-16
    Seismic survey in progress until 15 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  16. HYDROLANT 1712/002000-05-13 → 2000-05-19
    Seismic survey in progress until 20 may by M/V polar search towing four 6482 meter long cables in area bound…
  17. HYDROLANT 1693/002000-05-12 → 2000-05-15
    Seismic survey in progress until 170300Z may by M/V new venture towing 8500 meter long cable in area bound…
  18. HYDROLANT 1692/002000-05-12 → 2000-05-15
    Seismic survey in progress until 14 may by M/V geco diamond towing eight 5556 meter long cables in area…
  19. HYDROLANT 1678/002000-05-11 → 2000-05-12
    Seismic survey in progress until 150300Z may by M/V new venture towing 8500 meter long cable in area bound…
  20. HYDROLANT 1677/002000-05-11 → 2000-05-15
    Cable laying operations in progress until further notice by M/V tyco provider vicinity of trackline between…
  21. HYDROLANT 1676/002000-05-11 → 2000-05-15
    Seismic survey 12 thru 14 may by M/V western kenda towing 8000 meter long cable in area bound by 33-17S…
  22. HYDROLANT 1673/002000-05-11 → 2000-05-14
    Seismic survey in progress until 13 may by M/V northern access towing 8704 meter long cable in area bound by…
  23. HYDROLANT 1671/002000-05-11 → 2000-05-13
    Seismic survey in progress until 12 may by M/V polar search towing four 6482 meter long cables in area bound…
  24. HYDROLANT 1662/002000-05-10 → 2000-05-11
    Seismic survey in progress until 11 may by M/V polar search towing four 6482 meter long cables in area bound…
  25. HYDROLANT 1661/002000-05-10 → 2000-05-13
    Seismic survey in progress until 12 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  26. HYDROLANT 1637/002000-05-09 → 2000-05-12
    Seismic survey in progress until 11 may by M/V geco diamond towing eight 5556 meter long cables in area…
  27. HYDROLANT 1632/002000-05-09 → 2000-05-12
    Seismic survey in progress until 13 may by M/V western atlas and M/V western patriot towing seven 3000 meter…
  28. HYDROLANT 1631/002000-05-08 → 2000-05-11
    Seismic survey in progress until 130300Z may by M/V new venture towing 8500 meter long cable in area bound…
  29. HYDROLANT 1624/002000-05-08 → 2000-05-11
    Seismic survey in progress until 10 may by M/V northern access towing 8704 meter long cable in area bound by…
  30. HYDROLANT 1611/002000-05-07 → 2000-05-09
    Seismic survey in progress until 12 may by M/V western atlas towing equipment 200 meters astern in area…
  31. HYDROLANT 1610/002000-05-07 → 2000-05-08
    Seismic survey in progress until 100300Z may by M/V new venture towing 8500 meter long cable in area bound…
  32. HYDROLANT 1609/002000-05-07 → 2000-05-10
    Seismic survey in progress until 09 may by M/V polar search towing four 6482 meter long cables in area bound…
  33. HYDROLANT 1608/002000-05-07 → 2000-05-10
    Seismic survey in progress until 09 may by M/V ramform victory and M/V sanco capitan towing eight 4800 meter…
  34. HYDROLANT 1597/002000-05-06 → 2000-05-09
    Seismic survey in progress until 08 may by M/V geco diamond towing eight 5556 meter long cables in area…
  35. HYDROLANT 1596/002000-05-06 → 2000-05-09
    Seismic survey in progress until 08 may by M/V western kenda towing 8000 meter long cable in area bound by…
  36. HYDROLANT 1591/002000-05-05 → 2000-05-08
    Seismic survey in progress until 07 may by M/V western atlas towing 200 meter long cable in area bound by…
  37. HYDROLANT 1576/002000-05-04 → 2000-05-07
    Seismic survey in progress until 06 may by M/V polar search towing four 6482 meter long cables in area bound…
  38. HYDROLANT 1575/002000-05-04 → 2000-05-07
    Seismic survey in progress until 06 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  39. HYDROLANT 1562/002000-05-03 → 2000-05-06
    Seismic survey in progress until 06 may by M/V mezen towing 8000 meter long cable in area bound by 00-10N…
  40. HYDROLANT 1558/002000-05-03 → 2000-05-04
    Seismic survey in progress until 06 may by M/V polar search towing four 6482 meter long cables in area bound…
  41. HYDROLANT 1557/002000-05-03 → 2000-05-06
    Seismic survey in progress until 05 may by M/V western kenda towing 8000 meter long cable in area bound by…
  42. HYDROLANT 1552/002000-05-02 → 2000-05-03
    Seismic survey in progress until 04 may by M/V new venture towing 8500 meter long cable in area bound by…
  43. HYDROLANT 1542/002000-05-01 → 2000-05-04
    Seismic survey in progress until 03 may by M/V ramform victory and M/V sanco capitain towing eight 4800…
  44. HYDROLANT 1540/002000-05-01 → 2000-05-04
    Seismic survey in progress until 03 may by M/V geco diamond towing eight 5556 meter long cables in area…
  45. HYDROLANT 1533/002000-04-30 → 2000-05-03
    Seismic survey in progress until 02 may by M/V polar search towing four 6482 meter long cables in area bound…
  46. HYDROLANT 1523/002000-04-29 → 2000-05-02
    Seismic survey in progress until 01 may by M/V western kenda towing 8000 meter long cable in area bound by…
  47. HYDROLANT 1507/002000-04-28 → 2000-05-01
    Seismic survey in progress until 30 apr by M/V ramform victory and M/V sanco capitain towing eight 4800…
  48. HYDROLANT 1506/002000-04-28 → 2000-04-30
    Seismic survey in progress until 29 apr by M/V polar search towing four 6482 meter long cables in area bound…
  49. HYDROLANT 1505/002000-04-28 → 2000-05-01
    Seismic survey in progress until 30 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  50. HYDROLANT 1500/002000-04-28 → 2000-05-01
    Seismic survey in progress until 30 apr by M/V new venture towing 8500 meter long cable 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 95 · seahazards