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 2109/022002-09-20 → 2002-09-25
    Seismic survey in progress until 250259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  2. HYDROLANT 2108/022002-09-20 → 2002-09-25
    Seismic survey in progress until 250259Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  3. HYDROLANT 2107/022002-09-20 → 2002-09-23
    Seismic survey in progress until 22 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  4. HYDROLANT 2087/022002-09-18 → 2002-09-21
    Seismic survey in progress until 20 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  5. HYDROLANT 2081/022002-09-17 → 2002-09-20
    Seismic survey in progress until 200259Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  6. HYDROLANT 2076/022002-09-16 → 2002-09-20
    Seismic survey in progress until 200259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  7. HYDROLANT 2064/022002-09-15 → 2002-09-18
    Seismic survey in progress until 17 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  8. HYDROLANT 2052/022002-09-14 → 2002-09-17
    Seismic survey in progress until 170259Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  9. HYDROLANT 2049/022002-09-14 → 2002-09-16
    Seismic survey in progress until 170259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  10. HYDROLANT 2048/022002-09-14 → 2002-09-17
    Seismic survey in progress until 16 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  11. HYDROLANT 2030/022002-09-12 → 2002-09-15
    Seismic survey in progress until 14 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  12. HYDROLANT 2024/022002-09-11 → 2002-09-14
    Seismic survey in progress until 140300Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  13. HYDROLANT 2022/022002-09-11 → 2002-09-14
    Seismic survey in progress until 140300Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  14. HYDROLANT 2020/022002-09-11 → 2002-09-14
    Seismic survey in progress until 13 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  15. HYDROLANT 2000/022002-09-08 → 2002-09-11
    Seismic survey in progress until 10 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  16. HYDROLANT 1999/022002-09-08 → 2002-09-12
    Seismic survey 09 thru 11 sep by M/V ramform explorer towing eight 6853 meter long cables in area bound by…
  17. HYDROLANT 1994/022002-09-07 → 2002-09-11
    Seismic survey in progress until 110300Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  18. HYDROLANT 1992/022002-09-07 → 2002-09-11
    Seismic survey in progress until 110300Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  19. HYDROLANT 1980/022002-09-06 → 2002-09-09
    Seismic survey in progress until 08 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  20. HYDROLANT 1979/022002-09-06 → 2002-09-08
    Seismic survey in progress until 07 sep by M/V bulldog towing two 15 meter long cables in area bound by…
  21. HYDROLANT 1974/022002-09-05 → 2002-09-06
    Seismic survey in progress until 07 sep by M/V bulldog in area bound by 04-42S 036-57W, 04-42S 036-56W,…
  22. HYDROLANT 1959/022002-09-03 → 2002-09-07
    Seismic survey in progress until 070300Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  23. HYDROLANT 1957/022002-09-03 → 2002-09-07
    Seismic survey in progress until 070300Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  24. HYDROLANT 1955/022002-09-03 → 2002-09-06
    Seismic survey in progress until 05 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  25. HYDROLANT 1947/022002-09-02 → 2002-09-05
    Seismic survey in progress until 04 sep by M/V bulldog in area bound by 04-42S 036-57W, 04-42S 036-56W,…
  26. HYDROLANT 1936/022002-08-31 → 2002-09-02
    Seismic survey in progress until 02 sep by M/V bulldog in area bound by 04-42S 036-57W, 04-42S 036-56W,…
  27. HYDROLANT 1923/022002-08-30 → 2002-08-31
    Seismic survey in progress until 21 sep by M/V bulldog in area bound by 04-40S 036-55W, 04-42S 036-50W,…
  28. HYDROLANT 1914/022002-08-29 → 2002-09-03
    Seismic survey in progress until 030259Z sep by M/V veritas viking I towing six 6000 meter long cables in…
  29. HYDROLANT 1913/022002-08-29 → 2002-09-03
    Seismic survey in progress until 030259Z sep by M/V veritas viking II towing six 6500 meter long cables in…
  30. HYDROLANT 1903/022002-08-28 → 2002-08-30
    Seismic survey in progress until 21 sep by M/V bulldog in area bound by 04-40S 036-55W, 04-42S 036-50W,…
  31. HYDROLANT 1891/022002-08-26 → 2002-09-03
    Seismic survey in progress until 02 sep by M/V ramform explorer towing eight 6853 meter long cables in area…
  32. HYDROLANT 1890/022002-08-26 → 2002-08-28
    Seismic survey in progress until 21 sep in area bound by 04-40S 036-55W, 04-42S 036-50W, 04-39S 036-46W,…
  33. HYDROLANT 1880/022002-08-24 → 2002-08-29
    Seismic survey in progress until 290259Z aug by M/V veritas viking I towing six 6500 meter long cables in…
  34. HYDROLANT 1878/022002-08-24 → 2002-08-29
    Seismic survey in progress until 290259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  35. HYDROLANT 1820/022002-08-17 → 2002-08-24
    Seismic survey in progress until 240259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  36. HYDROLANT 1819/022002-08-17 → 2002-08-24
    Seismic survey in progress until 240259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  37. HYDROLANT 1796/022002-08-14 → 2002-08-17
    Seismic survey in progress until 170259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  38. HYDROLANT 1794/022002-08-14 → 2002-08-17
    Seismic survey in progress until 170259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  39. HYDROLANT 1773/022002-08-10 → 2002-08-12
    Seismic survey in progress until 11 aug by M/V bulldog towing 15 meter long cable in area bound by 11-02.1S…
  40. HYDROLANT 1772/022002-08-10 → 2002-08-14
    Seismic survey in progress until 140259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  41. HYDROLANT 1771/022002-08-10 → 2002-08-15
    Seismic survey in progress until 14 aug by M/V ramform explorer towing eight 6852 meter long cables in area…
  42. HYDROLANT 1769/022002-08-10 → 2002-08-14
    Seismic survey in progress until 140259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  43. HYDROLANT 1754/022002-08-07 → 2002-08-10
    Seismic survey in progress until 09 aug by M/V ramform explorer towing eight 6852 meter long cables in area…
  44. HYDROLANT 1753/022002-08-07 → 2002-08-10
    Seismic survey in progress until 100259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  45. HYDROLANT 1751/022002-08-07 → 2002-08-10
    Seismic survey in progress until 100259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  46. HYDROLANT 1749/022002-08-07 → 2002-08-10
    Seismic survey in progress until 09 aug by M/V bulldog towing two 10 meter long cables in area bound by…
  47. HYDROLANT 1730/022002-08-04 → 2002-08-07
    Seismic survey in progress until 070259Z aug by M/V veritas viking II towing six 6500 meter long cables in…
  48. HYDROLANT 1729/022002-08-04 → 2002-08-07
    Seismic survey in progress until 06 aug by M/V bulldog towing two 10 meter long cables in area bound by…
  49. HYDROLANT 1727/022002-08-04 → 2002-08-07
    Seismic survey in progress until 070259Z aug by M/V veritas viking I towing six 6000 meter long cables in…
  50. HYDROLANT 1726/022002-08-04 → 2002-08-07
    Seismic survey in progress until 06 aug by M/V ramform explorer towing eight 6852 meter 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 71 · seahazards