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 1896/082008-11-06 → 2008-11-08
    Seismic survey in progress until 07 nov by M/V discoverer in area bound by 29-18S 046-00W, 29-21S 045-56W,…
  2. HYDROLANT 1887/082008-11-05 → 2008-11-06
    Seismic survey in progress until 05 nov by M/V discoverer in area bound by 29-18S 046-00W, 29-21S 045-56W,…
  3. HYDROLANT 1864/082008-11-02 → 2008-11-05
    Seismic survey 03 and 04 nov by M/V discoverer in area bound by 29-18S 046-00W, 29-21S 045-56W, 27-07S…
  4. HYDROLANT 1848/082008-10-31 → 2008-11-03
    Seismic survey 31 oct thru 02 nov by M/V discoverer in area bound by 26-38S 046-06W, 26-38S 046-00W, 29-02S…
  5. HYDROLANT 1828/082008-10-30 → 2008-10-31
    Seismic survey 300300Z thru 310259Z oct by M/V discoverer in area bound by 28-14S 044-54W, 28-17S 044-58W,…
  6. HYDROLANT 1826/082008-10-29 → 2008-10-30
    Seismic survey in progress until 300259Z oct by M/V discoverer in area bound by 28-14S 044-54W, 28-17S…
  7. HYDROLANT 1823/082008-10-29 → 2008-10-29
    Seismic survey 280300Z to 310259Z oct by M/V discoverer in area bound by 26-38S 046-06W, 26-38S 046-00W,…
  8. HYDROLANT 1793/082008-10-26 → 2008-10-28
    Seismic survey 260300Z to 280259Z oct by M/V discoverer in area bound by 28-14S 044-54W, 28-17S 044-58W,…
  9. HYDROLANT 1792/082008-10-26 → 2008-11-01
    Seismic survey in progress until 010259Z nov by M/V ramform valiant towing 12 6500 meter long cables in area…
  10. HYDROLANT 1779/082008-10-24 → 2008-10-26
    Seismic survey 240300Z to 260259Z oct by M/V discoverer in area bound by 27-41S 047-14W, 27-46S 047-14W,…
  11. HYDROLANT 1768/082008-10-23 → 2008-11-13
    Seismic survey in progress until 130259Z nov by M/V ramform sovereign towing 14 8100 meter long cables in…
  12. HYDROLANT 1755/082008-10-20 → 2008-10-26
    Seismic survey in progress until 260259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  13. HYDROLANT 1754/082008-10-20 → 2008-10-23
    Seismic survey in progress until 230259Z oct by M/V discoverer in area bound by 28-11S 038-56W, 28-16S…
  14. HYDROLANT 1733/082008-10-18 → 2008-11-11
    Seismic survey 20 oct thru 10 nov by miss emma mccall in area bound by 10-07.07S 036-06.22W, 10-19.15S…
  15. HYDROLANT 1713/082008-10-15 → 2008-10-19
    Seismic survey 150300Z to 190259Z oct by M/V discoverer in area bound by 28-11S 038-56W, 28-16S 038-56W,…
  16. HYDROLANT 1712/082008-10-15 → 2008-10-19
    Seismic survey 150300Z to 190259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area bound…
  17. HYDROLANT 1694/082008-10-12 → 2008-10-13
    Seismic survey in progress until 130259Z oct by M/V ramform sovereign towing 14 8100 meter long cables in…
  18. HYDROLANT 1685/082008-10-10 → 2008-10-15
    Seismic survey 130300Z to 150259Z oct by M/V discoverer in area bound by 28-11S 038-56W, 28-16S 038-56W,…
  19. HYDROLANT 1684/082008-10-10 → 2008-10-15
    Seismic survey in progress until 150259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  20. HYDROLANT 1674/082008-10-09 → 2008-10-12
    Seismic survey in progress until 120259Z oct by M/V ramform sovereign towing 14 8100 meter long cables in…
  21. HYDROLANT 1659/082008-10-08 → 2008-10-11
    Seismic survey in progress until 110259Z oct by M/V discoverer in area bound by 28-58S 042-15W, 28-47S…
  22. HYDROLANT 1654/082008-10-07 → 2008-10-08
    Seismic survey in progress until 080259Z oct by M/V discoverer in area bound by 25-55S 044-00W, 25-45S…
  23. HYDROLANT 1652/082008-10-07 → 2008-10-10
    Seismic survey in progress until 100259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  24. HYDROLANT 1651/082008-10-07 → 2008-10-12
    Seismic survey in progress until 120259Z oct by M/V rig supporter in area bound by 24-18.3S 044-27.4W,…
  25. HYDROLANT 1619/082008-10-02 → 2008-10-07
    Seismic survey 020300Z to 070259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area bound…
  26. HYDROLANT 1614/082008-10-01 → 2008-10-04
    Seismic survey 010300Z to 040259Z oct by M/V rig supporter in area bound by 21-11.27S 040-08.43W, 21-11.27S…
  27. HYDROLANT 1609/082008-09-30 → 2008-10-02
    Seismic survey in progress until 020259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  28. HYDROLANT 1601/082008-09-29 → 2008-10-05
    Pipeline operations 291100Z sep to 052100Z oct by M/V polar bjorn in 24-14S 044-32W
  29. HYDROLANT 1592/082008-09-28 → 2008-09-30
    Seismic survey in progress until 020259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  30. HYDROLANT 1590/082008-09-28 → 2008-10-05
    Pipe laying operations 290300Z sep to 050300Z oct by M/V acergy piper vicinity 23-13.7S 044-33.0W
  31. HYDROLANT 1586/082008-09-27 → 2008-10-02
    Seismic survey in progress until 01 oct by M/V ocean surveyor in area bound by 11-01.17S 037-00.05W,…
  32. HYDROLANT 1575/082008-09-26 → 2008-09-28
    Seismic survey 270300Z sep to 020259Z oct by M/V ramform valiant towing 12 6500 meter long cables in area…
  33. HYDROLANT 1574/082008-09-26 → 2008-10-01
    Seismic survey 270300Z sep to 010259Z oct by M/V rig supporter in area bound by 21-13.0S 040-08.0W, 21-13.0S…
  34. HYDROLANT 1573/082008-09-25 → 2008-09-27
    Seismic survey in progress until 28 sep by M/V ocean surveyor in area bound by 11-05.0S 037-00.5W, 11-04.9S…
  35. HYDROLANT 1554/082008-09-24 → 2008-09-26
    Seismic survey 240300Z to 270259Z sep by M/V ramform valiant towing 12 6500 meter long cables in area bound…
  36. HYDROLANT 1553/082008-09-24 → 2008-09-26
    Seismic survey 240300Z to 270259Z sep by M/V rig supporter in area bound by 21-13.0S 040-08.0W, 21-13.0S…
  37. HYDROLANT 1534/082008-09-20 → 2008-09-28
    Pipe laying operations 221100Z to 282100Z sep by M/V polar bjorn vicinity 24-10S 044-37W
  38. HYDROLANT 1526/082008-09-19 → 2008-09-28
    Pipe laying operations 220300Z to 280300Z sep by M/V acergy piper vicinity 24-10.7S 044-36.9W
  39. HYDROLANT 1520/082008-09-19 → 2008-09-24
    Seismic survey in progress until 240259Z sep by M/V rig supporter in area bound by 21-13.00S 040-08.00W,…
  40. HYDROLANT 1519/082008-09-18 → 2008-10-20
    Seismic survey in progress until further notice by M/V geco emerald towing eight 4000 meter long cables in…
  41. HYDROLANT 1507/082008-09-17 → 2008-09-19
    Seismic survey 170300Z to 200259Z sep by M/V rig supporter in area bound by 21-13.00S 040-08.00W, 21-13.00S…
  42. HYDROLANT 1506/082008-09-17 → 2008-09-18
    Seismic survey 170300Z to 181500Z sep by M/V ramform valiant towing 12 6000 meter long cables in area bound…
  43. HYDROLANT 1505/082008-09-17 → 2008-09-24
    Seismic survey 181501Z to 240259Z sep by M/V ramform valiant towing 12 6000 meter long cables in area bound…
  44. HYDROLANT 1488/082008-09-13 → 2008-09-21
    Pipe laying operations 151100Z to 212100Z sep by M/V polar bjorn vicinity 24-02S 044-47W
  45. HYDROLANT 1487/082008-09-13 → 2008-09-21
    Pipe laying operations 150300Z to 210300Z sep by M/V acergy piper vicinity 24-03.2S 044-46.8W
  46. HYDROLANT 1484/082008-09-13 → 2008-09-16
    Seismic survey in progress until 160259Z sep by M/V rig supporter in area bound by 21-46.27S 040-02.00W,…
  47. HYDROLANT 1483/082008-09-13 → 2008-09-18
    Seismic survey 130300Z to 180259Z sep by M/V ramform valiant towing 12 6000 meter long cables in area bound…
  48. HYDROLANT 1462/082008-09-10 → 2008-09-13
    Seismic survey in progress until 130259Z sep by M/V ramform valiant towing 12 6000 meter long cables in area…
  49. HYDROLANT 1435/082008-09-06 → 2008-09-14
    Pipe laying operations 081100Z to 142100Z sep by M/V polar bjorn vicinity 23-56S 045-55W
  50. HYDROLANT 1434/082008-09-06 → 2008-09-14
    Pipe laying operations 080300Z to 140300Z sep by M/V acergy piper vicinity 23-56.20S 045-55.80W

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 45 · seahazards