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 2/042004-01-01 → 2004-01-07
    Seismic survey in progress until 070200Z jan by M/V ramform viking towing eight 6000 meter long cables in…
  2. HYDROLANT 2405/032003-12-30 → 2004-01-05
    Seismic survey in progress until 050159Z jan by M/V cgg harmattan towing six 6000 meter long cables in area…
  3. HYDROLANT 2391/032003-12-26 → 2003-12-30
    Seismic survey in progress until 300159Z dec by M/V cgg harmattan towing six 6000 meter long cables in area…
  4. HYDROLANT 2378/032003-12-23 → 2003-12-24
    Seismic survey in progress until 270300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  5. HYDROLANT 2359/032003-12-20 → 2003-12-26
    Seismic survey in progress until 260159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  6. HYDROLANT 2358/032003-12-20 → 2003-12-23
    Seismic survey in progress until 230300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  7. HYDROLANT 2349/032003-12-18 → 2003-12-21
    Seismic survey in progress until 210300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  8. HYDROLANT 2335/032003-12-16 → 2003-12-20
    Seismic survey in progress until 200159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  9. HYDROLANT 2311/032003-12-12 → 2003-12-18
    Seismic survey in progress until 180300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  10. HYDROLANT 2296/032003-12-10 → 2003-12-16
    Seismic survey in progress until 160159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  11. HYDROLANT 2289/032003-12-09 → 2003-12-13
    Seismic survey in progress until 150300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  12. HYDROLANT 2274/032003-12-06 → 2003-12-10
    Seismic survey in progress until 100159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  13. HYDROLANT 2254/032003-12-03 → 2003-12-09
    Seismic survey in progress until 090300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  14. HYDROLANT 2253/032003-12-03 → 2003-12-09
    Seismic survey in progress until 090159Z dec by M/V veritas viking I towing six 6000 meter long cables in…
  15. HYDROLANT 2248/032003-12-02 → 2003-12-06
    Seismic survey in progress until 060159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  16. HYDROLANT 2238/032003-11-30 → 2003-12-02
    Seismic survey in progress until 020159Z dec by M/V cgg harmattan towing six 6000 meter long cables along…
  17. HYDROLANT 2232/032003-11-29 → 2003-12-03
    Seismic survey in progress until 030159Z dec by M/V veritas viking I towing six 6000 meter long cables in…
  18. HYDROLANT 2231/032003-11-29 → 2003-12-03
    Seismic survey in progress until 040300Z dec by M/V ramform viking towing eight 6000 meter long cables in…
  19. HYDROLANT 2224/032003-11-28 → 2003-11-30
    Seismic survey in progress until 300159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  20. HYDROLANT 2196/032003-11-24 → 2003-11-26
    Cable repair operations in progress until 252359Z nov by cableship tyco resolute vicinity 20-07.8S 037-56.3W
  21. HYDROLANT 2195/032003-11-24 → 2003-11-28
    Seismic survey in progress until 280159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  22. HYDROLANT 2194/032003-11-24 → 2003-11-28
    Seismic survey in progress until 280159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  23. HYDROLANT 2187/032003-11-22 → 2003-11-24
    Cable repair operations in progress until 232359Z nov by cableship tyco resolute vicinity 20-07.8S 037-56.3W
  24. HYDROLANT 2180/032003-11-21 → 2003-11-29
    Seismic survey in progress until 290300Z nov by M/V ramform viking towing eight 6000 meter long cables in…
  25. HYDROLANT 2179/032003-11-21 → 2003-11-23
    Seismic survey in progress until 230159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  26. HYDROLANT 2174/032003-11-20 → 2003-11-24
    Seismic survey in progress until 240159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  27. HYDROLANT 2171/032003-11-19 → 2003-11-24
    Cable repair operations in progress until 240937Z nov by cableship tyco resolute vicinity 20-07.8S 037-56.3W
  28. HYDROLANT 2165/032003-11-18 → 2003-11-19
    Cable repair operations in progress until 190937Z nov by cableship tyco resolute vicinity 20-07.8S 037-56.3W
  29. HYDROLANT 2158/032003-11-17 → 2003-11-21
    Seismic survey in progress until 220300Z nov by M/V ramform viking towing eight 6000 meter long cables in…
  30. HYDROLANT 2157/032003-11-17 → 2003-11-19
    Seismic survey in progress until 190159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  31. HYDROLANT 2152/032003-11-16 → 2003-11-20
    Seismic survey in progress until 200159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  32. HYDROLANT 2147/032003-11-15 → 2003-11-17
    Seismic survey in progress until 170159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  33. HYDROLANT 2141/032003-11-14 → 2003-11-16
    Seismic survey in progress until 160159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  34. HYDROLANT 2131/032003-11-13 → 2003-11-15
    Seismic survey in progress until 150159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  35. HYDROLANT 2125/032003-11-12 → 2003-11-14
    Seismic survey in progress until 140159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  36. HYDROLANT 2118/032003-11-11 → 2003-12-20
    Seismic survey in progress until further notice by M/V ramform valiant towing fourteen 4000 meter long…
  37. HYDROLANT 2114/032003-11-11 → 2003-11-13
    Seismic survey in progress until 130159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  38. HYDROLANT 2091/032003-11-08 → 2003-11-12
    Seismic survey in progress until 120159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  39. HYDROLANT 2088/032003-11-07 → 2003-11-11
    Seismic survey in progress until 110159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  40. HYDROLANT 2082/032003-11-06 → 2003-11-08
    Seismic survey in progress until 080159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  41. HYDROLANT 2075/032003-11-05 → 2003-11-07
    Seismic survey in progress until 070159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  42. HYDROLANT 2072/032003-11-04 → 2003-11-06
    Seismic survey in progress until 060159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  43. HYDROLANT 2071/032003-11-04 → 2003-11-05
    Seismic survey in progress until 060159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  44. HYDROLANT 2066/032003-11-03 → 2003-11-12
    Seismic survey in progress until further notice by M/V veritas viking II towing six 3500 meter long cables…
  45. HYDROLANT 2064/032003-11-02 → 2003-11-04
    Seismic survey in progress until 040159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  46. HYDROLANT 2063/032003-11-02 → 2003-11-04
    Seismic survey in progress until 040159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  47. HYDROLANT 2045/032003-10-31 → 2003-11-02
    Seismic survey in progress until 020159Z nov by M/V cgg harmattan towing six 6000 meter long cables along…
  48. HYDROLANT 2044/032003-10-31 → 2003-11-02
    Seismic survey in progress until 020159Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  49. HYDROLANT 2029/032003-10-29 → 2003-10-31
    Seismic survey in progress until 310159Z oct by M/V cgg harmattan towing six 6000 meter long cables along…
  50. HYDROLANT 2028/032003-10-29 → 2003-10-31
    Seismic survey in progress until 310159Z oct by M/V veritas viking I towing six 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 64 · seahazards