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 · 18 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 2360/092009-12-04 → 2009-12-06
    Seismic survey in progress until 09 dec by M/V veritas vantage towing 5.4 mile long cable in area bound by…
  2. HYDROLANT 2359/092009-12-04 → 2009-12-12
    Seismic survey in progress until 120259Z dec by M/V ocean europe and M/V sanco star in area bound by…
  3. HYDROLANT 2358/092009-12-04 → 2009-12-12
    Seismic survey in progress until 120259Z dec by M/V western neptune towing 12 3.5 mile long cables and M/V…
  4. HYDROLANT 2357/092009-12-04 → 2009-12-12
    Seismic survey in progress until 120259Z dec by M/V ramform sovereing towing 14 8100 meter long cables in…
  5. HYDROLANT 2351/092009-12-03 → 2009-12-04
    Seismic survey in progress until 070259Z dec by M/V discoverer towing 10000 meter long cables in areas bound…
  6. HYDROLANT 2344/092009-12-02 → 2009-12-03
    Seismic survey in progress until 070259Z dec by M/V discoverer towing 10000 meter long cables in areas bound…
  7. HYDROLANT 2340/092009-12-02 → 2009-12-04
    Seismic survey in progress until 07 dec by M/V veritas vantage towing 12000 meter long cable in area bound…
  8. HYDROLANT 2326/092009-11-30 → 2009-12-02
    Seismic survey in progress until 04 dec by M/V veritas vantage towing 10000 meter long cable in area bound…
  9. HYDROLANT 2325/092009-11-30 → 2009-12-01
    Seismic survey in progress until 010359Z dec by M/V discoverer towing 10000 meter long cables in area bound…
  10. HYDROLANT 2315/092009-11-28 → 2010-01-05
    Seismic survey in progress until further notice by M/V ramform challenger towing ten 6000 meter long cables…
  11. HYDROLANT 2314/092009-11-28 → 2009-12-04
    Seismic survey in progress until 040259Z dec by M/V western neptune towing 12 3.5 mile long cables and M/V…
  12. HYDROLANT 2313/092009-11-28 → 2009-12-04
    Seismic survey in progress until 040259Z dec by M/V ocean europe and M/V sanco star in area bound by…
  13. HYDROLANT 2312/092009-11-28 → 2009-12-04
    Seismic survey in progress until 040259Z dec by M/V ramform sovereing towing four 8100 meter long cables in…
  14. HYDROLANT 2309/092009-11-27 → 2009-11-30
    Seismic survey 29 nov by M/V discoverer towing 10000 meter long cables in area bound by 11-30S 036-50W,…
  15. HYDROLANT 2308/092009-11-27 → 2009-11-30
    Seismic survey in progress until 01 dec by M/V veritas vantage towing 10000 meter long cable in area bound…
  16. HYDROLANT 2284/092009-11-24 → 2009-11-27
    Seismic survey in progress until 28 nov by M/V veritas vantage towing 10000 meter long cable in area bound…
  17. HYDROLANT 2279/092009-11-23 → 2009-11-24
    Seismic survey in progress until 25 nov by M/V veritas vantage towing 10000 meter long cable in area bound…
  18. HYDROLANT 2270/092009-11-21 → 2009-11-24
    Seismic survey by M/V discoverer towing five mile long cable: a. 21 nov in area bound by 12-10S 035-50W,…
  19. HYDROLANT 2256/092009-11-20 → 2009-11-28
    Seismic survey in progress until 280259Z nov by M/V western neptune towing 12 3.5 mile long cables and M/V…
  20. HYDROLANT 2254/092009-11-20 → 2009-11-28
    Seismic survey in progress until 280259Z nov by M/V ocean europe and M/V sanco star in area bound by…
  21. HYDROLANT 2253/092009-11-20 → 2009-11-28
    Seismic survey in progress until 280259Z nov by M/V ramform sovereing towing four 8100 meter long cables in…
  22. HYDROLANT 2243/092009-11-19 → 2009-11-22
    Seismic survey in progress until 21 nov by M/V discoverer towing 5.4 mile long cable along trackline joining…
  23. HYDROLANT 2241/092009-11-18 → 2009-11-23
    Seismic survey in progress until 22 nov by M/V veritas vantage towing 10000 meter long cable in area bound…
  24. HYDROLANT 2235/092009-11-18 → 2009-11-19
    Seismic survey in progress until 190259Z nov by M/V discoverer towing 5.4 mile long cable in area bound by…
  25. HYDROLANT 2210/092009-11-14 → 2009-11-18
    Seismic survey in progress until 19 nov by M/V veritas vantage towing 10000 meter long cable in area bound…
  26. HYDROLANT 2203/092009-11-13 → 2009-11-15
    Seismic survey in progress until 14 nov by M/V discoverer towing 5.4 mile long cable along trackline joining…
  27. HYDROLANT 2202/092009-11-13 → 2009-11-20
    Seismic survey in progress until 200259Z nov by M/V western neptune towing 12 3.5 mile long cables and M/V…
  28. HYDROLANT 2201/092009-11-13 → 2009-11-20
    Seismic survey in progress until 200259Z nov by M/V ocean europe and M/V sanco star in area bound by…
  29. HYDROLANT 2200/092009-11-13 → 2009-11-20
    Seismic survey in progress until 200259Z nov by M/V ramform sovereing towing four 8100 meter long cables in…
  30. HYDROLANT 2198/092009-11-13 → 2009-11-14
    Seismic survey in progress until 16 nov by M/V veritas vantage towing 10000 meter long cable in area bound…
  31. HYDROLANT 2167/092009-11-07 → 2009-11-13
    Seismic survey in progress until 130259Z nov by M/V ramform sovereing towing four 8100 meter long cables in…
  32. HYDROLANT 2166/092009-11-07 → 2009-11-13
    Seismic survey in progress until 130259Z nov by M/V ocean europe and M/V sanco star in area bound by…
  33. HYDROLANT 2165/092009-11-07 → 2009-11-13
    Seismic survey in progress until 130259Z nov by M/V western neptune towing 12 3.5 mile long cables and M/V…
  34. HYDROLANT 2164/092009-11-07 → 2009-11-13
    Seismic survey in progress until 130259Z nov by M/V ocean surveyor towing 400 meter long cables in area…
  35. HYDROLANT 2150/092009-11-05 → 2009-11-08
    Seismic survey in progress until 07 nov by M/V discoverer towing 5.4 mile long cable in area bound by 01-10N…
  36. HYDROLANT 2122/092009-11-01 → 2009-11-07
    Seismic survey in progress until 070259Z nov by M/V western neptune towing 12 3.5 mile long cables and M/V…
  37. HYDROLANT 2119/092009-10-31 → 2010-05-30
    Seismic survey in progress until further notice by M/V ramform sterling towing 8500 meter long cables in…
  38. HYDROLANT 2117/092009-10-31 → 2009-11-07
    Seismic survey in progress until 070259Z nov by M/V ocean surveyor towing 400 meter long cables in area…
  39. HYDROLANT 2116/092009-10-31 → 2009-11-07
    Seismic survey in progress until 070259Z nov by M/V ramform sovereing towing four 8100 meter long cables in…
  40. HYDROLANT 2115/092009-10-31 → 2009-11-01
    Seismic survey in progress until 070259Z nov by M/V western neptune towing 12 3.5 mile long cables and M/V…
  41. HYDROLANT 2114/092009-10-31 → 2009-11-07
    Seismic survey in progress until 070259Z nov by M/V ocean europe and M/V sanco star in area bound by…
  42. HYDROLANT 2067/092009-10-25 → 2009-12-05
    Cable operations in progress until further notice by cableship chamarel along trackline joining 08-43.8S…
  43. HYDROLANT 2066/092009-10-25 → 2009-10-30
    Seismic survey in progress until 300259Z oct by M/V western neptune towing 12 3.5 mile long cables in area…
  44. HYDROLANT 2063/092009-10-24 → 2009-10-30
    Seismic survey in progress until 300259Z oct by M/V ocean europe and M/V sanco star in area bound by…
  45. HYDROLANT 2062/092009-10-24 → 2009-10-30
    Seismic survey in progress until 300259Z oct by M/V geco diamond towing 250 meter long cable in area bound…
  46. HYDROLANT 2055/092009-10-24 → 2009-10-30
    Seismic survey in progress until 300259Z oct by M/V ramform sovereing towing four 8100 meter long cables in…
  47. HYDROLANT 2011/092009-10-17 → 2009-10-24
    Seismic survey in progress until 240259Z oct by M/V ramform sovereing towing four 8100 meter long cables in…
  48. HYDROLANT 2010/092009-10-17 → 2009-10-24
    Seismic survey in progress until 240259Z oct by M/V ocean europe and M/V sanco star in area bound by…
  49. HYDROLANT 2009/092009-10-17 → 2009-10-24
    Seismic survey in progress until 240259Z oct by M/V western neptune towing 12 3.5 mile long cables in area…
  50. HYDROLANT 1988/092009-10-14 → 2009-10-17
    Seismic survey in progress until 170259Z oct by M/V western neptune towing 12 3.5 mile long cables in area…

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 37 · seahazards