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 1818/052005-10-05 → 2005-10-08
    Seismic survey in progress until 080259Z oct by M/V geo angler towing 3500 meter long cable in area bound by…
  2. HYDROLANT 1795/052005-10-01 → 2005-10-05
    Seismic survey 010300Z to 050259Z oct by M/V geo angler towing 3500 meter long cable in area bound by…
  3. HYDROLANT 1745/052005-09-26 → 2005-10-01
    Seismic survey 250300Z sep to 010259Z oct by M/V geo angler towing 3500 meter long cable in area bound by…
  4. HYDROLANT 1707/052005-09-19 → 2005-09-22
    Seismic survey in progress until 222100Z sep by M/V ramform valiant towing ten 6000 meter long cables in…
  5. HYDROLANT 1688/052005-09-16 → 2005-09-20
    Seismic survey 170300Z to 200259Z sep by M/V geo angler towing 3500 meter long cable in area bound by…
  6. HYDROLANT 1676/052005-09-14 → 2005-09-16
    Seismic survey in progress until 160259Z sep by M/V geo angler towing 3500 meter long cable in area bound by…
  7. HYDROLANT 1668/052005-09-13 → 2005-09-16
    Cable operations in progress until 200259Z sep by cableship ocean surveryor towing 80 meter long cable in…
  8. HYDROLANT 1665/052005-09-13 → 2005-09-14
    Seismic survey in progress until 140259Z sep by M/V geo angler towing 3500 meter long cable in area bound by…
  9. HYDROLANT 1650/052005-09-10 → 2005-09-13
    Cable operations 100300Z to 130259Z sep by cableship ocean surveryor towing 80 meter long cable in area…
  10. HYDROLANT 1617/052005-09-06 → 2005-09-13
    Seismic survey in progress until 130259Z sep by M/V geo angler towing 3500 meter long cable in area bound by…
  11. HYDROLANT 1580/052005-08-30 → 2005-09-06
    Seismic survey in progress until 060259Z sep by M/V geo angler towing 3500 meter long cable in area bound by…
  12. HYDROLANT 1557/052005-08-26 → 2005-08-30
    Seismic survey in progress until 300259Z aug by M/V geo angler towing 3500 meter long cable in area bound by…
  13. HYDROLANT 1400/052005-08-02 → 2005-08-05
    Seismic survey in progress until 050259Z aug by M/V fugro explorer in 21-18.5S 040-03.1W
  14. HYDROLANT 1200/052005-06-26 → 2005-07-04
    Seismic survey in progress until 040259Z jul by M/V ocean surveyor towing cables in area bound by 24-21.9S…
  15. HYDROLANT 1167/052005-06-21 → 2005-06-28
    Seismic survey in progress until 280259Z jun by M/V falcon explorer towing 200 meter long cable in area…
  16. HYDROLANT 1155/052005-06-20 → 2005-06-24
    Seismic survey in progress until 240259Z jun by M/V ocean surveyor towing cables in area bound by 24-21.9S…
  17. HYDROLANT 1132/052005-06-16 → 2005-06-20
    Seismic survey in progress until 210259Z jun by M/V ocean surveyor towing cables in area bound by 23-42.9S…
  18. HYDROLANT 1116/052005-06-14 → 2005-06-16
    Cable operations in progress until 160259Z jun by cableship ocean surveyor towing cable in area bound by…
  19. HYDROLANT 1115/052005-06-14 → 2005-06-21
    Seismic survey in progress until 210259Z jun by M/V falcon explorer towing 200 meter long cable in area…
  20. HYDROLANT 1096/052005-06-11 → 2005-06-14
    Cable operations in progress until 140259Z jun by cableship ocean surveyor in area bound by 23-42.9S…
  21. HYDROLANT 1065/052005-06-07 → 2005-06-14
    Seismic survey in progress until 140259Z jun by M/V falcon explorer towing 6000 meter long cable in area…
  22. HYDROLANT 1043/052005-06-03 → 2005-06-07
    Seismic survey in progress until 070259Z jun by M/V ramform valiant towing 12 6000 meter long cables in area…
  23. HYDROLANT 1042/052005-06-03 → 2005-06-07
    Seismic survey in progress until 070259Z jun by M/V falcon explorer, ocean explorer and bergen surveyor…
  24. HYDROLANT 1007/052005-05-28 → 2005-06-02
    Seismic survey in progress until 020259Z jun by M/V falcon explorer, ocean explorer and bergen surveyor…
  25. HYDROLANT 1006/052005-05-28 → 2005-06-02
    Seismic survey in progress until 020259Z jun by M/V ramform valiant towing 12 6000 meter long cables in area…
  26. HYDROLANT 990/052005-05-26 → 2005-05-28
    Seismic survey 240300Z to 280259Z may by M/V falcon explorer and ramform valiant towing energy fount and one…
  27. HYDROLANT 980/052005-05-24 → 2005-05-28
    Seismic survey 240300Z to 280259Z may by M/V geco tau in area bound by 22-11S 040-10W, 22-26S 040-20W,…
  28. HYDROLANT 979/052005-05-24 → 2005-05-26
    Seismic survey 240300Z to 280259Z may by M/V falcon explorer and ramform valiant towing 12 6000 meter cables…
  29. HYDROLANT 978/052005-05-24 → 2005-05-28
    Seismic survey 240300Z to 280259Z may by M/V bergen surveyor towing 6000 meter cables in area bound by…
  30. HYDROLANT 976/052005-05-24 → 2005-05-28
    Seismic survey 240300Z to 280259Z may by M/V ocean explorer towing 6000 meter long cables in area bound by…
  31. HYDROLANT 959/052005-05-20 → 2005-05-24
    Seismic survey 200300Z to 240259Z may by M/V falcon explorer and ramform valiant towing 12 6000 meter long…
  32. HYDROLANT 958/052005-05-20 → 2005-05-24
    Seismic survey 200300Z to 240259Z may by M/V bergen surveyor towing 6000 meter long cable in area bound by…
  33. HYDROLANT 957/052005-05-20 → 2005-05-24
    Seismic survey 200300Z to 240259Z may by M/V gecotua in area bound by 22-11S 040-10W, 22-26S 040-20W, 22-45S…
  34. HYDROLANT 956/052005-05-20 → 2005-05-24
    Seismic survey 200300Z to 240259Z may by M/V ocean explorer towing 6000 meter long cable in area bound by…
  35. HYDROLANT 954/052005-05-20 → 2005-05-24
    Seismic survey 200300Z to 240259Z may by M/V western pride towing ten 6000 meter long cable in area bound by…
  36. HYDROLANT 934/052005-05-17 → 2005-05-20
    Seismic survey 170300Z to 200259Z may by M/V western pride towing ten 6000 meters cable along trackline…
  37. HYDROLANT 932/052005-05-17 → 2005-05-20
    Seismic survey 170300Z to 200259Z may by M/V ocean explorer towing 6000 meter cables in area bound by 22-38S…
  38. HYDROLANT 931/052005-05-17 → 2005-05-20
    Seismic survey 170300Z to 200259Z may by M/V geco yau in area bound by 22-11S 040-10W, 22-28S 040-22W,…
  39. HYDROLANT 930/052005-05-17 → 2005-05-20
    Seismic survey 170300Z to 200259Z may by M/V bergen surveyor towing 6000 meter cables along trackline…
  40. HYDROLANT 929/052005-05-17 → 2005-05-20
    Seismic survey 170300Z to 200259Z may by M/V fugro explorer in vicinity 22-08.70S 040-10.05W
  41. HYDROLANT 928/052005-05-17 → 2005-05-21
    Seismic survey 17 thru 20 may by M/V ramform valiant and M/V falcon explorer towing 12 6000 meter cables in…
  42. HYDROLANT 911/052005-05-14 → 2005-05-17
    Seismic survey in progress until 170259Z may by vessel bergen surveyor towing 6000 meter long cable in area…
  43. HYDROLANT 909/052005-05-14 → 2005-05-17
    Seismic survey in progress until 170259Z may by vessel western pride towing ten 6000 meter long cables in…
  44. HYDROLANT 908/052005-05-14 → 2005-05-17
    Seismic survey in progress until 170259Z may by vessel ramform valiant towing 12 6000 meter long cables and…
  45. HYDROLANT 907/052005-05-14 → 2005-05-17
    Seismic survey in progress until 170259Z may by vessel gecotau in area bound by 22-11S 040-10W, 22-30S…
  46. HYDROLANT 878/052005-05-10 → 2005-05-13
    Seismic survey in progress until 130259Z may by M/V ramform valiant towing twelve 6000 meter long cables in…
  47. HYDROLANT 877/052005-05-10 → 2005-05-13
    Seismic survey in progress until 130259Z may by M/V bergen surveyor and M/V ocean explorer each towing 6000…
  48. HYDROLANT 875/052005-05-10 → 2005-05-13
    Seismic survey in progress until 130259Z may by M/V western pride towing ten 6000 meter long cables in area…
  49. HYDROLANT 874/052005-05-10 → 2005-05-13
    Seismic survey in progress until 130259Z may by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  50. HYDROLANT 873/052005-05-10 → 2005-05-26
    Seismic survey in progress until 130259Z may by M/V falcon explorer towing 200 meter long cable 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 58 · seahazards