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 1704/022002-08-01 → 2002-08-04
    Seismic survey in progress until 03 aug by M/V bulldog towing two 10 meter long cables in area bound by…
  2. HYDROLANT 1688/022002-07-30 → 2002-08-04
    Seismic survey in progress until 03 aug by M/V ramform explorer towing eight 6852 meter long cables in area…
  3. HYDROLANT 1687/022002-07-30 → 2002-08-04
    Seismic survey in progress until 040259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  4. HYDROLANT 1686/022002-07-30 → 2002-08-04
    Seismic survey in progress until 040259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  5. HYDROLANT 1670/022002-07-28 → 2002-07-30
    Seismic survey in progress until 29 jul by M/V ramform explorer towing eight 6852 meter long cables in area…
  6. HYDROLANT 1633/022002-07-24 → 2002-07-30
    Seismic survey in progress until 300259Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  7. HYDROLANT 1630/022002-07-24 → 2002-07-28
    Seismic survey in progress until 27 jul by M/V ramform explorer towing eight 6852 meter long cables in area…
  8. HYDROLANT 1629/022002-07-24 → 2002-07-30
    Seismic survey in progress until 300259Z jul by M/V veritas viking II towing six 6500 meter long cables in…
  9. HYDROLANT 1610/022002-07-21 → 2002-07-24
    Seismic survey in progress until 23 jul by M/V ramform explorer towing eight 6852 meter long cables in area…
  10. HYDROLANT 1609/022002-07-21 → 2002-08-01
    Seismic survey in progress until 31 jul by M/V bulldog towing two 10 meter long cables in area bound by…
  11. HYDROLANT 1582/022002-07-18 → 2002-07-24
    Seismic survey in progress until 240259Z jul by M/V veritas viking II towing six 6500 meter long cables in…
  12. HYDROLANT 1580/022002-07-18 → 2002-07-24
    Seismic survey in progress until 240259Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  13. HYDROLANT 1576/022002-07-17 → 2002-07-21
    Seismic survey in progress until 20 jul by M/V bulldog towing two 10 meter long cables in area bound by…
  14. HYDROLANT 1551/022002-07-13 → 2002-07-18
    Seismic survey in progress until 180300Z jul by M/V veritas viking II towing six 6500 meter long cables in…
  15. HYDROLANT 1550/022002-07-13 → 2002-07-18
    Seismic survey in progress until 180259Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  16. HYDROLANT 1549/022002-07-13 → 2002-07-17
    Seismic survey in progress until 16 jul by M/V bulldog towing two 10 meter long cables in area bound by…
  17. HYDROLANT 1527/022002-07-10 → 2002-07-13
    Seismic survey in progress until 130300Z jul by M/V veritas viking II towing six 6500 meter long cables in…
  18. HYDROLANT 1511/022002-07-09 → 2002-07-13
    Seismic survey in progress until 130259Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  19. HYDROLANT 1510/022002-07-09 → 2002-07-12
    Seismic survey in progress until 120259Z jul by M/V cgg harmattan towing eight 6000 meter long cables in…
  20. HYDROLANT 1501/022002-07-08 → 2002-07-13
    Seismic survey 09 thru 12 jul by M/V bulldog towing two 10 meter long cables in area bound by 10-59.0S…
  21. HYDROLANT 1484/022002-07-05 → 2002-07-09
    Seismic survey in progress until 08 jul by M/V bulldog towing two 10 meter long cables in area bound by…
  22. HYDROLANT 1474/022002-07-03 → 2002-07-09
    Seismic survey in progress until 090400Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  23. HYDROLANT 1473/022002-07-03 → 2002-07-09
    Seismic survey in progress until 090259Z jul by M/V cgg harmattan towing eight 6000 meter long cables in…
  24. HYDROLANT 1447/022002-07-01 → 2002-07-05
    Seismic survey in progress until 04 jul by M/V bulldog towing two 10 meter long cables in area bound by…
  25. HYDROLANT 1436/022002-06-29 → 2002-07-03
    Seismic survey in progress until 030300Z jul by M/V ramform explorer towing eight 6600 meter long cables in…
  26. HYDROLANT 1428/022002-06-28 → 2002-07-03
    Seismic survey in progress until 030259Z jul by M/V veritas viking II towing six 6500 meter long cables in…
  27. HYDROLANT 1427/022002-06-28 → 2002-06-30
    Seismic survey in progress until 030259Z jul by M/V veritas viking I towing six 6000 meter long cables in…
  28. HYDROLANT 1426/022002-06-28 → 2002-07-03
    Seismic survey in progress until 030259Z jul by M/V cgg harmattan towing eight 6000 meter long cables in…
  29. HYDROLANT 1420/022002-06-27 → 2002-06-29
    Seismic survey 280300Z jun to 020300Z jul by M/V ramform explorer towing eight 6600 meter long cables in…
  30. HYDROLANT 1410/022002-06-25 → 2002-06-28
    Seismic survey in progress until 280259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  31. HYDROLANT 1409/022002-06-25 → 2002-06-28
    Seismic survey in progress until 280259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  32. HYDROLANT 1408/022002-06-25 → 2002-06-28
    Seismic survey in progress until 280259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  33. HYDROLANT 1387/022002-06-22 → 2002-07-01
    Seismic survey in progress until 30 jun by M/V bulldog towing two 10 meter long cables in area bound by…
  34. HYDROLANT 1379/022002-06-21 → 2002-06-25
    Seismic survey in progress until 250259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  35. HYDROLANT 1378/022002-06-21 → 2002-06-25
    Seismic survey in progress until 250259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  36. HYDROLANT 1375/022002-06-20 → 2002-06-25
    Seismic survey in progress until 250259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  37. HYDROLANT 1374/022002-06-20 → 2002-06-25
    Seismic survey in progress until 250259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  38. HYDROLANT 1357/022002-06-18 → 2002-06-21
    Seismic survey in progress until 210259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  39. HYDROLANT 1356/022002-06-18 → 2002-06-21
    Seismic survey in progress until 210259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  40. HYDROLANT 1332/022002-06-15 → 2002-06-18
    Seismic survey in progress until 180259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  41. HYDROLANT 1331/022002-06-15 → 2002-06-18
    Seismic survey in progress until 180259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  42. HYDROLANT 1330/022002-06-15 → 2002-06-20
    Seismic survey in progress until 200259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  43. HYDROLANT 1329/022002-06-15 → 2002-06-20
    Seismic survey in progress until 200259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  44. HYDROLANT 1316/022002-06-14 → 2002-06-22
    Seismic survey in progress until 21 jun by M/V bulldog towing two 10 meter long cables in area bound by…
  45. HYDROLANT 1303/022002-06-12 → 2002-06-15
    Seismic survey in progress until 150259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  46. HYDROLANT 1302/022002-06-12 → 2002-06-15
    Seismic survey in progress until 150259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  47. HYDROLANT 1291/022002-06-11 → 2002-06-15
    Seismic survey in progress until 150259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  48. HYDROLANT 1283/022002-06-10 → 2002-06-15
    Seismic survey in progress until 150259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  49. HYDROLANT 1267/022002-06-07 → 2002-06-11
    Seismic survey in progress until 110259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  50. HYDROLANT 1266/022002-06-07 → 2002-06-12
    Seismic survey in progress until 120259Z jun by M/V veritas viking II towing six 6500 meter long cables in…

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 72 · seahazards