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 2482/022002-11-11 → 2002-11-14
    Seismic survey in progress until 13 nov by M/V bulldog towing 15 meter long cable in area bound by 11-04.1S…
  2. HYDROLANT 2466/022002-11-09 → 2002-11-12
    Seismic survey in progress until 11 nov by M/V ramform explorer towing eight 6853 meter long cables in area…
  3. HYDROLANT 2461/022002-11-08 → 2002-11-11
    Seismic survey in progress until 10 nov by M/V bulldog towing 15 meter long cable in area bound by 11-02.2S…
  4. HYDROLANT 2454/022002-11-06 → 2002-11-10
    Seismic survey in progress until 100159Z nov by M/V veritas viking I towing 5400 meter long cables in area…
  5. HYDROLANT 2445/022002-11-05 → 2002-11-08
    Seismic survey in progress until 07 nov by M/V ramform explorer towing eight 6853 meter long cables in area…
  6. HYDROLANT 2444/022002-11-05 → 2002-11-08
    Seismic survey in progress until 07 nov by M/V bulldog towing 15 meter long cable in area bound by 11-03.3S…
  7. HYDROLANT 2432/022002-11-02 → 2002-11-05
    Seismic survey in progress until 04 nov by M/V ramform explorer towing eight 6853 meter long cables in area…
  8. HYDROLANT 2430/022002-11-02 → 2002-11-05
    Seismic survey in progress until 04 nov by M/V bulldog towing 15 meter long cable in area bound by 11-03.5S…
  9. HYDROLANT 2427/022002-11-02 → 2002-11-06
    Seismic survey in progress until 060159Z nov by M/V veritas viking I towing 5400 meter long cables in area…
  10. HYDROLANT 2410/022002-10-30 → 2002-11-09
    Underwater cable operations in progress until further notice by cableship chamarel within three miles of…
  11. HYDROLANT 2402/022002-10-30 → 2002-10-31
    Seismic survey in progress until 020300Z nov by M/V cgg harmattan towing eight 4500 meter long cables in…
  12. HYDROLANT 2401/022002-10-30 → 2002-11-02
    Seismic survey in progress until 020300Z nov by M/V veritas viking I towing eight 6000 meter long cables in…
  13. HYDROLANT 2400/022002-10-30 → 2002-11-02
    Seismic survey in progress until 01 nov by M/V ramform explorer towing eight 6853 meter long cables in area…
  14. HYDROLANT 2399/022002-10-30 → 2002-11-02
    Seismic survey in progress until 01 nov by M/V bulldog towing 15 meter long cable in area bound by 11-01.4S…
  15. HYDROLANT 2379/022002-10-27 → 2002-10-30
    Seismic survey in progress until 300259Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  16. HYDROLANT 2378/022002-10-27 → 2002-10-30
    Seismic survey in progress until 300259Z oct by M/V cgg harmattan towing eight 4500 meter long cables in…
  17. HYDROLANT 2377/022002-10-27 → 2002-10-30
    Seismic survey in progress until 29 oct by M/V bulldog towing 15 meter long cable in area bound by 11-01.4S…
  18. HYDROLANT 2369/022002-10-26 → 2002-10-30
    Seismic survey in progress until 29 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  19. HYDROLANT 2359/022002-10-25 → 2002-10-27
    Seismic survey in progress until 26 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  20. HYDROLANT 2351/022002-10-24 → 2002-10-27
    Seismic survey in progress until 270259Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  21. HYDROLANT 2338/022002-10-22 → 2002-10-25
    Seismic survey in progress until 24 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  22. HYDROLANT 2337/022002-10-22 → 2002-10-27
    Seismic survey in progress until 26 oct by M/V bulldog towing 15 meter long cable in area bound by 11-01.4S…
  23. HYDROLANT 2327/022002-10-21 → 2002-10-24
    Seismic survey in progress until 240259Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  24. HYDROLANT 2320/022002-10-20 → 2002-10-22
    Seismic survey in progress until 21 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  25. HYDROLANT 2312/022002-10-19 → 2002-10-22
    Seismic survey in progress until 21 oct by M/V bulldog towing 15 meter long cable in area bound by 11-01.4S…
  26. HYDROLANT 2304/022002-10-18 → 2002-10-21
    Seismic survey in progress until 210259Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  27. HYDROLANT 2303/022002-10-18 → 2002-10-20
    Seismic survey in progress until 210259Z oct by M/V cgg harmattan towing eight 4500 meter long cables in…
  28. HYDROLANT 2301/022002-10-18 → 2002-10-20
    Seismic survey in progress until 19 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  29. HYDROLANT 2286/022002-10-15 → 2002-10-18
    Seismic survey in progress until 180259Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  30. HYDROLANT 2275/022002-10-15 → 2002-10-15
    Seismic survey in progress until 180300Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  31. HYDROLANT 2271/022002-10-14 → 2002-10-15
    Seismic survey in progress until 150259Z oct by M/V cgg harmattan towing eight 4500 meter long cables in…
  32. HYDROLANT 2269/022002-10-14 → 2002-10-17
    Seismic survey in progress until 16 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  33. HYDROLANT 2261/022002-10-12 → 2002-10-15
    Seismic survey in progress until 150300Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  34. HYDROLANT 2253/022002-10-11 → 2002-10-13
    Seismic survey in progress until 130259Z oct by M/V cgg harmattan towing eight 4500 meter long cables in…
  35. HYDROLANT 2240/022002-10-09 → 2002-10-12
    Seismic survey in progress until 120300Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  36. HYDROLANT 2238/022002-10-09 → 2002-10-11
    Seismic survey in progress until 11 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  37. HYDROLANT 2224/022002-10-06 → 2002-10-09
    Seismic survey in progress until 08 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  38. HYDROLANT 2217/022002-10-05 → 2002-10-09
    Seismic survey in progress until 090300Z oct by M/V veritas viking I towing eight 6000 meter long cables in…
  39. HYDROLANT 2213/022002-10-05 → 2002-10-08
    Seismic survey in progress until 07 oct by M/V bulldog towing two 15 meter long cables in area bound by…
  40. HYDROLANT 2198/022002-10-03 → 2002-10-06
    Seismic survey in progress until 05 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  41. HYDROLANT 2189/022002-10-02 → 2002-10-05
    Seismic survey in progress until 04 oct by M/V bulldog towing two 15 meter long cables in area bound by…
  42. HYDROLANT 2181/022002-10-01 → 2002-10-05
    Seismic survey in progress until 050300Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  43. HYDROLANT 2174/022002-09-30 → 2002-10-03
    Seismic survey in progress until 02 oct by M/V ramform explorer towing eight 6853 meter long cables in area…
  44. HYDROLANT 2170/022002-09-29 → 2002-10-02
    Seismic survey in progress until 01 oct by M/V bulldog towing two 15 meter long cables in area bound by…
  45. HYDROLANT 2160/022002-09-27 → 2002-09-30
    Seismic survey in progress until 29 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  46. HYDROLANT 2157/022002-09-26 → 2002-09-29
    Seismic survey in progress until 28 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  47. HYDROLANT 2154/022002-09-25 → 2002-09-26
    Seismic survey in progress until 290259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  48. HYDROLANT 2135/022002-09-23 → 2002-09-26
    Seismic survey in progress until 25 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  49. HYDROLANT 2134/022002-09-23 → 2002-09-27
    Seismic survey in progress until 26 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  50. HYDROLANT 2111/022002-09-20 → 2002-09-23
    Seismic survey 21 thru 23 sep by M/V ramform explorer towing eight 6853 meter long cables in area bound by…

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 70 · seahazards