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 · 52 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 2902/012001-11-11 → 2001-11-14
    Seismic survey in progress until 132359Z nov by M/V cgg harmattan towing eight 6000 meter long cables along…
  2. HYDROLANT 2868/012001-11-07 → 2001-11-11
    Seismic survey in progress until 102359Z nov by M/V cgg harmattan towing eight 6000 meter long cables along…
  3. HYDROLANT 2866/012001-11-07 → 2001-11-11
    Seismic survey in progress until 102359Z nov by M/V veritas viking II towing six 6500 meter long cables in…
  4. HYDROLANT 2845/012001-11-04 → 2001-11-07
    Seismic survey in progress until 062359Z nov by M/V veritas viking I towing six 6000 meter long cables in…
  5. HYDROLANT 2844/012001-11-04 → 2001-11-07
    Seismic survey in progress until 062359Z nov by M/V cgg harmattan towing eight 6000 meter long cables along…
  6. HYDROLANT 2843/012001-11-04 → 2001-11-07
    Seismic survey in progress until 062359Z nov by M/V veritas viking II towing six 6500 meter long cables in…
  7. HYDROLANT 2818/012001-11-01 → 2001-11-04
    Seismic survey in progress until 032359Z nov by M/V veritas viking II towing six 6500 meter long cables in…
  8. HYDROLANT 2817/012001-11-01 → 2001-11-03
    Seismic survey in progress until 030001Z nov by M/V cgg harmattan towing eight 6000 meter long cables along…
  9. HYDROLANT 2786/012001-10-29 → 2001-11-01
    Seismic survey in progress until 312359Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  10. HYDROLANT 2775/012001-10-27 → 2001-10-29
    Seismic survey in progress until 282359Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  11. HYDROLANT 2774/012001-10-27 → 2001-10-31
    Seismic survey in progress until 302359Z oct by M/V cgg harmattan towing eight 6000 meter long cables along…
  12. HYDROLANT 2772/012001-10-27 → 2001-10-28
    Seismic survey 01 thru 21 nov by vessels in area bound by 52-54S 068-10W, 53-27S 067-52W, coastline
  13. HYDROLANT 2755/012001-10-25 → 2001-10-27
    Seismic survey in progress until 262359Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  14. HYDROLANT 2754/012001-10-25 → 2001-10-29
    Seismic survey in progress until 282359Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  15. HYDROLANT 2745/012001-10-24 → 2001-10-27
    Seismic survey in progress until 262359Z oct by M/V cgg harmattan towing eight 6000 meter long cables along…
  16. HYDROLANT 2733/012001-10-22 → 2001-10-25
    Seismic survey in progress until 242359Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  17. HYDROLANT 2732/012001-10-22 → 2001-10-25
    Seismic survey in progress until 242359Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  18. HYDROLANT 2720/012001-10-20 → 2001-10-24
    Seismic survey in progress until 232359Z oct by M/V cgg harmattan towing eight 6000 meter long cables in…
  19. HYDROLANT 2697/012001-10-18 → 2001-10-22
    Seismic survey in progress until 220100Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  20. HYDROLANT 2696/012001-10-18 → 2001-10-22
    Seismic survey in progress until 220100Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  21. HYDROLANT 2695/012001-10-17 → 2001-10-20
    Seismic survey in progress until 202359Z oct by M/V cgg harmattan towing eight 6000 meter long cables in…
  22. HYDROLANT 2670/012001-10-14 → 2001-10-18
    Seismic survey in progress until 180300Z oct by M/V veritas viking II towing six 6000 meter long cables in…
  23. HYDROLANT 2669/012001-10-14 → 2001-10-18
    Seismic survey in progress until 180300Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  24. HYDROLANT 2640/012001-10-10 → 2001-10-14
    Seismic survey in progress until 140300Z oct by M/V veritas viking I towing six 6000 meter long cables in…
  25. HYDROLANT 2636/012001-10-10 → 2001-10-14
    Seismic survey in progress until 140300Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  26. HYDROLANT 2635/012001-10-10 → 2001-10-14
    Seismic survey in progress until 140300Z oct by M/V cgg harmattan towing eight 6000 meter long cables in…
  27. HYDROLANT 2612/012001-10-06 → 2001-10-09
    Seismic survey in progress until 090300Z oct by M/V cgg harmattan towing eight 6000 meter long cables in…
  28. HYDROLANT 2611/012001-10-06 → 2001-10-09
    Seismic survey in progress until 090300Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  29. HYDROLANT 2585/012001-10-02 → 2001-10-05
    Seismic survey in progress until 050300Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  30. HYDROLANT 2579/012001-10-02 → 2001-10-02
    Seismic survey 030300Z to 060300Z oct by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  31. HYDROLANT 2578/012001-10-02 → 2001-10-02
    Seismic survey 030300Z to 060300Z oct by M/V veritas viking II towing six 6500 meter long cables in area…
  32. HYDROLANT 2551/012001-09-28 → 2001-10-02
    Seismic survey in progress until 020300Z oct by M/V cgg harmattan towing eight 6000 meter long cables in…
  33. HYDROLANT 2550/012001-09-28 → 2001-10-02
    Seismic survey in progress until 020300Z oct by M/V veritas viking II towing six 6500 meter long cables in…
  34. HYDROLANT 2536/012001-09-24 → 2001-09-28
    Seismic survey in progress until 27 sep by M/V veritas viking II towing six 6500 meter long cables in area…
  35. HYDROLANT 2535/012001-09-24 → 2001-09-28
    Seismic survey in progress until 27 sep by M/V cgg harmattan towing eight 6000 meter long cables in area…
  36. HYDROLANT 2511/012001-09-21 → 2001-11-09
    Seismic survey in progress until further notice by M/V ramform viking in area bound by 28-10.0S 014-28.2E,…
  37. HYDROLANT 2500/012001-09-20 → 2001-09-24
    Seismic survey 210300Z to 240300Z sep by M/V veritas viking II towing six 6500 meter long cables in area…
  38. HYDROLANT 2499/012001-09-20 → 2001-09-24
    Seismic survey 210300Z to 240300Z sep by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  39. HYDROLANT 2479/012001-09-17 → 2001-09-20
    Seismic survey in progress until 200300Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  40. HYDROLANT 2461/012001-09-14 → 2001-09-16
    Seismic survey in progress until 160300Z sep by M/V cgg harmattan towing eight 6000 meter long cables in…
  41. HYDROLANT 2452/012001-09-12 → 2001-09-16
    Seismic survey 130300Z to 160300Z sep by M/V veritas viking II towing six 6500 meter long cables in area…
  42. HYDROLANT 2433/012001-09-08 → 2001-09-12
    Seismic survey 090300Z to 120300Z sep by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  43. HYDROLANT 2432/012001-09-08 → 2001-09-12
    Seismic survey 090300Z to 120300Z sep by M/V veritas viking II towing six 6500 meter long cables in area…
  44. HYDROLANT 2404/012001-09-04 → 2001-09-08
    Seismic survey 050300Z to 080300Z sep by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  45. HYDROLANT 2403/012001-09-04 → 2001-09-08
    Seismic survey 050300Z to 080300Z sep by M/V veritas viking II towing six 6500 meter long cables in area…
  46. HYDROLANT 2376/012001-08-31 → 2001-09-04
    Seismic survey 030300Z to 040300Z sep by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  47. HYDROLANT 2375/012001-08-31 → 2001-09-04
    Seismic survey in progress until 040300Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  48. HYDROLANT 2347/012001-08-27 → 2001-08-30
    Seismic survey 280300Z to 300300Z aug by M/V veritas viking II towing six 6500 meter long cables in area…
  49. HYDROLANT 2346/012001-08-27 → 2001-08-30
    Seismic survey 280300Z to 300300Z aug by M/V cgg harmattan towing eight 6000 meter long cables in area bound…
  50. HYDROLANT 2315/012001-08-23 → 2001-08-27
    Seismic survey in progress until 270300Z aug by M/V veritas viking II towing six 6500 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 77 · seahazards