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 1265/022002-06-07 → 2002-06-12
    Seismic survey in progress until 120259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  2. HYDROLANT 1264/022002-06-07 → 2002-06-10
    Seismic survey in progress until 100259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  3. HYDROLANT 1247/022002-06-05 → 2002-06-05
    Seismic survey in progress until 070259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  4. HYDROLANT 1246/022002-06-05 → 2002-06-07
    Seismic survey in progress until 070259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  5. HYDROLANT 1245/022002-06-05 → 2002-06-05
    Seismic survey in progress until 070259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  6. HYDROLANT 1244/022002-06-05 → 2002-06-07
    Seismic survey in progress until 070259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  7. HYDROLANT 1199/022002-05-30 → 2002-06-05
    Seismic survey in progress until 050259Z jun by M/V ramform explorer towing eight 6852 meter long cables in…
  8. HYDROLANT 1198/022002-05-30 → 2002-06-05
    Seismic survey in progress until 050259Z jun by M/V veritas viking II towing six 6500 meter long cables in…
  9. HYDROLANT 1197/022002-05-30 → 2002-06-05
    Seismic survey in progress until 050259Z jun by M/V veritas viking I towing six 6000 meter long cables in…
  10. HYDROLANT 1196/022002-05-30 → 2002-06-05
    Seismic survey in progress until 050259Z jun by M/V cgg harmattan towing eight 6000 meter long cables in…
  11. HYDROLANT 1185/022002-05-28 → 2002-05-30
    Seismic survey in progress until 300259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  12. HYDROLANT 1169/022002-05-26 → 2002-05-28
    Seismic survey in progress until 300259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  13. HYDROLANT 1168/022002-05-26 → 2002-05-30
    Seismic survey in progress until 300259Z may by M/V ramform explorer towing eight 6852 meter long cables in…
  14. HYDROLANT 1167/022002-05-26 → 2002-05-30
    Seismic survey in progress until 300259Z may by M/V veritas viking II towing six 6500 meter long cables in…
  15. HYDROLANT 1166/022002-05-26 → 2002-05-30
    Seismic survey in progress until 300259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  16. HYDROLANT 1139/022002-05-21 → 2002-05-26
    Seismic survey in progress until 260259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  17. HYDROLANT 1138/022002-05-21 → 2002-05-26
    Seismic survey in progress until 260259Z may by M/V ramform explorer towing eight 6852 meter long cables in…
  18. HYDROLANT 1137/022002-05-21 → 2002-05-26
    Seismic survey in progress until 260259Z may by M/V veritas viking II towing six 6500 meter long cables in…
  19. HYDROLANT 1136/022002-05-21 → 2002-05-26
    Seismic survey in progress until 260259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  20. HYDROLANT 1113/022002-05-16 → 2002-05-21
    Seismic survey in progress until 210259Z may by M/V ramform explorer and M/V aquarius towing eight 6852…
  21. HYDROLANT 1112/022002-05-16 → 2002-05-21
    Seismic survey in progress until 210259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  22. HYDROLANT 1111/022002-05-16 → 2002-05-21
    Seismic survey in progress until 210359Z may by M/V veritas viking II towing six 6500 meter long cables in…
  23. HYDROLANT 1104/022002-05-14 → 2002-05-23
    Seismic survey in progress until further notice by M/V thales venturer towing six mile long cable vicinity…
  24. HYDROLANT 1086/022002-05-12 → 2002-05-16
    Seismic survey in progress until 160359Z may by M/V veritas viking II towing six 6500 meter long cables in…
  25. HYDROLANT 1085/022002-05-12 → 2002-05-16
    Seismic survey in progress until 160259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  26. HYDROLANT 1084/022002-05-12 → 2002-05-16
    Seismic survey in progress until 160259Z may by M/V ramform explorer and M/V aquarius towing eight 6852…
  27. HYDROLANT 1060/022002-05-08 → 2002-05-12
    Seismic survey in progress until 120259Z may by M/V ramform explorer and M/V aquarius towing eight 6852…
  28. HYDROLANT 1059/022002-05-08 → 2002-05-12
    Seismic survey in progress until 120259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  29. HYDROLANT 1031/022002-05-03 → 2002-05-12
    Seismic survey in progress until 120359Z may by M/V veritas viking II towing six 6500 meter long cables in…
  30. HYDROLANT 1030/022002-05-03 → 2002-05-08
    Seismic survey in progress until 120259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  31. HYDROLANT 1029/022002-05-03 → 2002-05-12
    Seismic survey in progress until 120259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  32. HYDROLANT 1028/022002-05-03 → 2002-05-08
    Seismic survey in progress until 120259Z may by M/V ramform explorer and M/V aquarius towing eight 6852…
  33. HYDROLANT 1011/022002-05-02 → 2002-05-06
    Seismic survey in progress until 05 may by M/V ramform victory towing eight 6600 meter long cables in area…
  34. HYDROLANT 997/022002-04-30 → 2002-05-02
    Seismic survey in progress until 01 may by M/V ramform victory towing eight 6600 meter long cables in area…
  35. HYDROLANT 991/022002-04-29 → 2002-05-03
    Seismic survey in progress until 040259Z may by M/V veritas viking I towing six 6000 meter long cables in…
  36. HYDROLANT 976/022002-04-28 → 2002-05-03
    Seismic survey in progress until 040359Z may by M/V veritas viking II towing six 6500 meter long cables in…
  37. HYDROLANT 975/022002-04-28 → 2002-05-03
    Seismic survey in progress until 040259Z may by M/V ramform explorer and M/V aquarius towing eight 6852…
  38. HYDROLANT 974/022002-04-28 → 2002-05-03
    Seismic survey in progress until 040259Z may by M/V cgg harmattan towing eight 6000 meter long cables in…
  39. HYDROLANT 960/022002-04-26 → 2002-04-30
    Seismic survey in progress until 29 apr by M/V ramform victory towing eight 6600 meter long cables in area…
  40. HYDROLANT 942/022002-04-23 → 2002-04-26
    Seismic survey in progress until 25 apr by M/V ramform victory towing eight 6600 meter long cables in area…
  41. HYDROLANT 941/022002-04-23 → 2002-04-28
    Seismic survey in progress until 280259Z apr by M/V cgg harmattan towing eight 6000 meter long cables in…
  42. HYDROLANT 939/022002-04-23 → 2002-04-28
    Seismic survey in progress until 280259Z apr by M/V ramform explorer and M/V aquarius towing eight 6852…
  43. HYDROLANT 937/022002-04-23 → 2002-04-28
    Seismic survey in progress until 280359Z apr by M/V veritas viking II towing six 6500 meter long cables in…
  44. HYDROLANT 924/022002-04-20 → 2002-04-20
    Seismic survey in progress until 230300Z apr by M/V ramform explorer and M/V aquarius towing eight 6852…
  45. HYDROLANT 922/022002-04-19 → 2002-04-23
    Seismic survey in progress until 230259Z apr by M/V veritas viking II towing six 6500 meter long cables in…
  46. HYDROLANT 920/022002-04-19 → 2002-04-23
    Seismic survey in progress until 230300Z apr by M/V cgg harmattan towing eight 6000 meter long cables in…
  47. HYDROLANT 919/022002-04-19 → 2002-04-23
    Seismic survey in progress until 22 apr by M/V ramform victory towing eight 6600 meter long cables in area…
  48. HYDROLANT 893/022002-04-17 → 2002-04-19
    Seismic survey in progress until 190259Z apr by M/V veritas viking II towing six 6500 meter long cables in…
  49. HYDROLANT 880/022002-04-16 → 2002-04-20
    Seismic survey in progress until 200259Z apr by M/V ramform explorer towing eight 6852 meter long cables in…
  50. HYDROLANT 879/022002-04-16 → 2002-04-19
    Seismic survey in progress until 190259Z apr by M/V cgg harmattan towing eight 6000 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 73 · seahazards