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 2083/072007-12-13 → 2007-12-15
    Seismic survey 150300Z to 190259Z dec by M/V hawk explorer towing 10000 meter long cable in area bound by…
  2. HYDROLANT 2073/072007-12-12 → 2007-12-15
    Seismic survey in progress until 150259Z dec by M/V hawk explorer towing 10000 meter long cable in area…
  3. HYDROLANT 2072/072007-12-12 → 2007-12-19
    Seismic survey in progress until 190259Z dec by M/V toisa valiant towing 2000 meter long cable in area bound…
  4. HYDROLANT 2071/072007-12-12 → 2007-12-19
    Seismic survey in progress until 190259Z dec by M/V rig supporter in area bound by 22-30.22S 040-37.13W,…
  5. HYDROLANT 2070/072007-12-12 → 2007-12-19
    Seismic survey in progress until 190259Z dec by M/V fugro explorer in area bound by 22-30.22S 040-37.13W,…
  6. HYDROLANT 2031/072007-12-07 → 2007-12-11
    Seismic survey 100300Z to 110259Z dec by M/V rig supporter with submersible in area bound by 23-26.90S…
  7. HYDROLANT 2030/072007-12-07 → 2007-12-10
    Seismic survey 080300Z to 100259Z dec by M/V rig supporter in area bound by 24-18.2S 043-59.5W, 24-25.0S…
  8. HYDROLANT 2015/072007-12-05 → 2007-12-08
    Seismic survey in progress until 080259Z dec by M/V rig supporter with submersible in area bound by 24-18.2S…
  9. HYDROLANT 2014/072007-12-05 → 2007-12-11
    Seismic survey in progress until 110259Z dec by M/V hawk explorer towing 10000 meter long cable in area…
  10. HYDROLANT 1991/072007-12-01 → 2007-12-05
    Seismic survey 020300Z to 050259Z dec by M/V hawk explorer towing 10000 meter long cable in area bound by…
  11. HYDROLANT 1975/072007-11-28 → 2007-12-01
    Seismic survey in progress until 010259Z dec by M/V rig supporter with submersible in area bound by 24-18.2S…
  12. HYDROLANT 1969/072007-11-27 → 2007-11-30
    Seismic survey in progress until 300259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  13. HYDROLANT 1955/072007-11-25 → 2007-11-28
    Seismic survey in progress until 280259Z nov by M/V rig supporter with submersible in area bound by 24-18.2S…
  14. HYDROLANT 1954/072007-11-25 → 2007-11-29
    Seismic survey 260300Z to 290259Z nov by M/V hawk explorer towing 10000 meter long cable in area bound by…
  15. HYDROLANT 1953/072007-11-25 → 2007-11-27
    Seismic survey in progress until 270259Z nov by M/V fugro explorer in area bound by 22-25.80S 039-58.62W,…
  16. HYDROLANT 1941/072007-11-23 → 2007-11-25
    Seismic survey in progress until 280259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  17. HYDROLANT 1940/072007-11-23 → 2007-11-30
    Cable operations 230800Z to 300200Z nov by cableship teneo in area bound by 20-31.7S 038-23.2W, 20-34.5S…
  18. HYDROLANT 1921/072007-11-20 → 2007-11-25
    Seismic survey in progress until 250259Z nov by M/V rig supporter with submersible in area bound by 24-18.2S…
  19. HYDROLANT 1912/072007-11-19 → 2007-11-23
    Seismic survey in progress until 260259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  20. HYDROLANT 1893/072007-11-15 → 2007-11-19
    Seismic survey in progress until 190259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  21. HYDROLANT 1869/072007-11-11 → 2007-11-15
    Seismic survey in progress until 150259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  22. HYDROLANT 1853/072007-11-08 → 2007-11-11
    Seismic survey in progress until 110259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  23. HYDROLANT 1831/072007-11-05 → 2007-11-08
    Seismic survey in progress until 080259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  24. HYDROLANT 1825/072007-11-03 → 2007-11-09
    Seismic survey in progress until 08 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  25. HYDROLANT 1817/072007-11-02 → 2007-11-05
    Seismic survey in progress until 050259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  26. HYDROLANT 1808/072007-10-31 → 2007-11-03
    Seismic survey in progress until 02 nov by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  27. HYDROLANT 1803/072007-10-30 → 2007-11-02
    Seismic survey in progress until 020259Z nov by M/V hawk explorer towing 10000 meter long cable in area…
  28. HYDROLANT 1796/072007-10-29 → 2007-10-31
    Seismic survey in progress until 311000Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  29. HYDROLANT 1775/072007-10-24 → 2007-10-29
    Seismic survey in progress until 290259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  30. HYDROLANT 1773/072007-10-24 → 2007-10-24
    Seismic survey in progress until 240759Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  31. HYDROLANT 1772/072007-10-24 → 2007-10-30
    Seismic survey in progress until 29 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  32. HYDROLANT 1752/072007-10-20 → 2007-10-24
    Seismic survey in progress until 240259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  33. HYDROLANT 1745/072007-10-18 → 2007-10-24
    Seismic survey in progress until 23 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  34. HYDROLANT 1730/072007-10-14 → 2007-10-20
    Seismic survey in progress until 200259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  35. HYDROLANT 1728/072007-10-13 → 2007-10-14
    Seismic survey in progress until 170259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  36. HYDROLANT 1723/072007-10-12 → 2007-10-18
    Seismic survey in progress until 17 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  37. HYDROLANT 1715/072007-10-10 → 2007-10-13
    Seismic survey in progress until 130259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  38. HYDROLANT 1695/072007-10-06 → 2007-10-12
    Seismic survey in progress until 11 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  39. HYDROLANT 1694/072007-10-06 → 2007-10-10
    Seismic survey in progress until 100259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  40. HYDROLANT 1677/072007-10-03 → 2007-10-06
    Seismic survey in progress until 05 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  41. HYDROLANT 1669/072007-10-02 → 2007-10-06
    Seismic survey in progress until 060259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  42. HYDROLANT 1657/072007-09-29 → 2007-10-02
    Seismic survey in progress until 020259Z oct by M/V hawk explorer towing 10000 meter long cable in area…
  43. HYDROLANT 1654/072007-09-28 → 2007-09-29
    Seismic survey 280300Z sep to 020259Z oct by M/V hawk explorer towing one 10000 meter long cable in area…
  44. HYDROLANT 1640/072007-09-27 → 2007-10-03
    Seismic survey in progress until 02 oct by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  45. HYDROLANT 1630/072007-09-25 → 2007-09-29
    Underwater pipe laying operations in progress during daylight hours until further notice by barge yagana,…
  46. HYDROLANT 1622/072007-09-23 → 2007-09-27
    Seismic survey in progress until 26 sep by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  47. HYDROLANT 1618/072007-09-22 → 2007-09-28
    Seismic survey 221301Z until 280259Z sep by M/V hawk explorer towing one 10000 meter long cable in area…
  48. HYDROLANT 1617/072007-09-22 → 2007-09-28
    Seismic survey in progress until 280300Z sep by M/V cgg alize towing ten 6500 meter long cables in area…
  49. HYDROLANT 1609/072007-09-20 → 2007-09-22
    Seismic survey in progress until 221300Z sep by M/V hawk explorer towing one 10000 meter long cable in area…
  50. HYDROLANT 1599/072007-09-17 → 2007-09-22
    Seismic survey in progress until 220300Z sep by M/V cgg alize towing ten 6500 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 49 · seahazards