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 2016/032003-10-27 → 2003-10-29
    Seismic survey in progress until 290159Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  2. HYDROLANT 2015/032003-10-27 → 2003-10-29
    Seismic survey in progress until 290159Z oct by M/V cgg harmattan towing six 6000 meter long cables along…
  3. HYDROLANT 2003/032003-10-24 → 2003-10-27
    Seismic survey in progress until 270159Z oct by M/V cgg harmattan towing six 6000 meter long cables along…
  4. HYDROLANT 1990/032003-10-23 → 2003-10-27
    Seismic survey in progress until 270159Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  5. HYDROLANT 1981/032003-10-22 → 2003-10-24
    Seismic survey in progress until 250159Z oct by M/V cgg harmattan towing six 6000 meter long cables along…
  6. HYDROLANT 1976/032003-10-21 → 2003-10-22
    Seismic survey in progress until 250259Z oct by M/V cgg harmattan towing six 6000 meter long cables along…
  7. HYDROLANT 1949/032003-10-17 → 2003-10-23
    Seismic survey in progress until 230159Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  8. HYDROLANT 1934/032003-10-15 → 2003-10-17
    Seismic survey in progress until 170259Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  9. HYDROLANT 1923/032003-10-13 → 2003-10-15
    Seismic survey in progress until 150259Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  10. HYDROLANT 1918/032003-10-12 → 2003-10-14
    Seismic survey in progress until 140259Z oct by M/V cgg harmattan towing six 6000 meter long cables in area…
  11. HYDROLANT 1903/032003-10-09 → 2003-10-13
    Seismic survey in progress until 130259Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  12. HYDROLANT 1897/032003-10-08 → 2003-10-12
    Seismic survey in progress until 120259Z oct by M/V cgg harmattan towing six 6000 meter long cables in area…
  13. HYDROLANT 1890/032003-10-06 → 2003-10-17
    Underwater operations in progress until 222359Z oct by cableship leon thevenin in 07-37.7S 032-28.9W
  14. HYDROLANT 1868/032003-10-02 → 2003-10-08
    Seismic survey in progress until 080259Z oct by M/V cgg harmattan towing six 6000 meter long cables in area…
  15. HYDROLANT 1860/032003-10-01 → 2003-10-09
    Seismic survey in progress until 090259Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  16. HYDROLANT 1839/032003-09-28 → 2003-10-02
    Seismic survey 280300Z sep to 020359Z oct by M/V cgg harmattan towing six 6000 meter long cables in area…
  17. HYDROLANT 1836/032003-09-27 → 2003-10-01
    Seismic survey in progress until 010259Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  18. HYDROLANT 1822/032003-09-24 → 2003-09-28
    Seismic survey in progress until 280259Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  19. HYDROLANT 1815/032003-09-23 → 2003-09-27
    Seismic survey in progress until 270259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  20. HYDROLANT 1797/032003-09-20 → 2003-09-24
    Seismic survey in progress until 240259Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  21. HYDROLANT 1789/032003-09-19 → 2003-09-23
    Seismic survey in progress until 230259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  22. HYDROLANT 1776/032003-09-17 → 2003-09-19
    Seismic survey in progress until 190259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  23. HYDROLANT 1769/032003-09-16 → 2003-09-18
    Seismic survey in progress until 180259Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  24. HYDROLANT 1764/032003-09-15 → 2003-09-17
    Seismic survey in progress until 170259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  25. HYDROLANT 1760/032003-09-14 → 2003-09-16
    Seismic survey in progress until 160259Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  26. HYDROLANT 1753/032003-09-13 → 2003-09-15
    Seismic survey in progress until 150259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  27. HYDROLANT 1752/032003-09-13 → 2003-09-14
    Seismic survey in progress until 151500Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  28. HYDROLANT 1745/032003-09-12 → 2003-09-14
    Seismic survey in progress until 140400Z sep by M/V cgg harmattan towing six 6000 meter long cables in area…
  29. HYDROLANT 1733/032003-09-11 → 2003-09-13
    Seismic survey in progress until 130259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  30. HYDROLANT 1720/032003-09-09 → 2003-09-11
    Seismic survey in progress until 110259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  31. HYDROLANT 1704/032003-09-07 → 2003-09-09
    Seismic survey in progress until 090259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  32. HYDROLANT 1690/032003-09-05 → 2003-09-07
    Seismic survey in progress until 070259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  33. HYDROLANT 1678/032003-09-03 → 2003-09-05
    Seismic survey in progress until 050259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  34. HYDROLANT 1663/032003-09-01 → 2003-09-03
    Seismic survey in progress until 030259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  35. HYDROLANT 1654/032003-08-30 → 2003-09-01
    Seismic survey in progress until 010259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  36. HYDROLANT 1631/032003-08-26 → 2003-08-30
    Seismic survey in progress until 300259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  37. HYDROLANT 1604/032003-08-22 → 2003-08-26
    Seismic survey in progress until 260259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  38. HYDROLANT 1595/032003-08-21 → 2003-08-22
    Seismic survey 211500Z to 231500Z aug by M/V thales venturer towing 5500 meter long cable in area bound by…
  39. HYDROLANT 1588/032003-08-20 → 2003-08-22
    Seismic survey in progress until 220259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  40. HYDROLANT 1579/032003-08-19 → 2003-08-21
    Seismic survey 191500Z to 211500Z aug by M/V thales venturer towing 5500 meter long cable in area bound by…
  41. HYDROLANT 1565/032003-08-18 → 2003-08-20
    Seismic survey in progress until 200300Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  42. HYDROLANT 1560/032003-08-17 → 2003-08-17
    Seismic survey in progress until 170300Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  43. HYDROLANT 1556/032003-08-16 → 2003-08-17
    Seismic survey in progress until 170300Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  44. HYDROLANT 1552/032003-08-15 → 2003-10-07
    Cable operations in progress until 13 nov by cableship tyco responder vicinity 36-30S 056-30W
  45. HYDROLANT 1534/032003-08-13 → 2003-08-19
    Seismic survey in progress until 191500Z aug by M/V thales venturer towing 5500 meter long cable in area…
  46. HYDROLANT 1530/032003-08-12 → 2003-08-13
    Seismic survey in progress until 191500Z aug by M/V thales venturer towing 5500 meter long cable in area…
  47. HYDROLANT 1501/032003-08-09 → 2003-08-12
    Seismic survey 091500Z to 141500Z aug by M/V thales venturer towing 5500 meter long cable in area bound by…
  48. HYDROLANT 1496/032003-08-08 → 2003-08-17
    Seismic survey 100300Z to 170300Z aug by M/V veritas viking I towing six 5400 meter long cables in area…
  49. HYDROLANT 1481/032003-08-06 → 2003-08-09
    Seismic survey in progress until 091500Z aug by M/V thales venturer towing 5500 meter long cable in area…
  50. HYDROLANT 1461/032003-08-01 → 2003-08-06
    Seismic survey in progress until 061500Z aug by M/V thales venturer towing 15 meter long cable in area bound…

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 65 · seahazards