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 1473/002000-04-26 → 2000-04-28
    Seismic survey in progress until 27 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  2. HYDROLANT 1469/002000-04-26 → 2000-04-29
    Seismic survey in progress until 28 apr by M/V western kenda towing 8000 meter long cable in area bound by…
  3. HYDROLANT 1455/002000-04-25 → 2000-04-28
    Seismic survey in progress until 27 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  4. HYDROLANT 1454/002000-04-25 → 2000-04-26
    Seismic survey in progress until 25 apr by M/V geco tau towing four 5556 meter long cables in area bound by…
  5. HYDROLANT 1450/002000-04-25 → 2000-04-28
    Seismic survey in progress until 27 apr by M/V polar search towing four 6482 meter long cables in area bound…
  6. HYDROLANT 1449/002000-04-25 → 2000-04-28
    Seismic survey in progress until 27 apr by M/V new venture towing 8500 meter long cable in area bound by…
  7. HYDROLANT 1425/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V western kenda towing 8000 meter long cable in area bound by…
  8. HYDROLANT 1424/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  9. HYDROLANT 1422/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V geco tau towing 8705 meter long cable in area bound by 21-11S…
  10. HYDROLANT 1421/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V geco eagle towing eight 7408 meter long cables in area bound…
  11. HYDROLANT 1419/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  12. HYDROLANT 1417/002000-04-22 → 2000-04-25
    Seismic survey in progress until 24 apr by M/V polar search towing 6482 meter long cable in area bound by…
  13. HYDROLANT 1396/002000-04-19 → 2000-04-22
    Seismic survey in progress until 21 apr by M/V polar search towing four 6482 meter long cables in area bound…
  14. HYDROLANT 1390/002000-04-19 → 2000-04-22
    Seismic survey in progress until 21 apr by M/V new venture towing 8500 meter long cable in area bound by…
  15. HYDROLANT 1389/002000-04-19 → 2000-04-22
    Seismic survey in progress until 21 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  16. HYDROLANT 1386/002000-04-19 → 2000-04-22
    Seismic survey in progress until 21 apr by M/V geco tau towing 8334 meter long cable in area bound by 21-11S…
  17. HYDROLANT 1384/002000-04-19 → 2000-04-22
    Seismic survey in progress until 21 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  18. HYDROLANT 1370/002000-04-18 → 2000-04-21
    Seismic survey in progress until 20 apr by M/V western atlas towing five 5556 meter long cables in area…
  19. HYDROLANT 1368/002000-04-18 → 2000-04-21
    Seismic survey in progress until 20 apr by M/V western kenda towing 8000 meter long cable in area bound by…
  20. HYDROLANT 1365/002000-04-17 → 2000-04-19
    Seismic survey in progress until 18 apr by M/V geco tau towing 8334 meter long cable in area bound by 21-11S…
  21. HYDROLANT 1344/002000-04-16 → 2000-04-19
    Seismic survey in progress until 03 may by M/V new venture towing 8500 meter long cable in area bound by…
  22. HYDROLANT 1341/002000-04-16 → 2000-04-18
    Seismic survey in progress until 18 apr by M/V polar search towing 6482 meter long cable in area bound by…
  23. HYDROLANT 1340/002000-04-16 → 2000-04-19
    Seismic survey in progress until 18 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  24. HYDROLANT 1338/002000-04-16 → 2000-04-17
    Seismic survey in progress until 18 apr by M/V geco tau towing 8334 meter long cable in area bound by 24-32S…
  25. HYDROLANT 1337/002000-04-16 → 2000-04-19
    Seismic survey in progress until 18 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  26. HYDROLANT 1330/002000-04-15 → 2000-04-18
    Seismic survey in progress until 17 apr by M/V western atlas towing five 5556 meter long cables in area…
  27. HYDROLANT 1329/002000-04-15 → 2000-04-17
    Seismic survey in progress until 16 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  28. HYDROLANT 1314/002000-04-14 → 2000-04-16
    Seismic survey in progress until 15 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  29. HYDROLANT 1313/002000-04-14 → 2000-04-16
    Seismic survey in progress until 15 apr by M/V geco tau towing 8334 meter long cable in area bound by 22-47S…
  30. HYDROLANT 1312/002000-04-14 → 2000-04-16
    Seismic survey in progress until 16 apr by M/V northern access towing 8704 meter long cable in area bound by…
  31. HYDROLANT 1298/002000-04-13 → 2000-04-16
    Seismic survey in progress until 15 apr by M/V polar search towing 6482 meter long cable in area bound by…
  32. HYDROLANT 1287/002000-04-12 → 2000-04-15
    Seismic survey in progress until 14 apr by M/V western atlas towing five 5556 meter long cables in area…
  33. HYDROLANT 1285/002000-04-12 → 2000-04-15
    Seismic survey in progress until 14 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  34. HYDROLANT 1267/002000-04-10 → 2000-04-14
    Seismic survey in progress until 13 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  35. HYDROLANT 1266/002000-04-10 → 2000-04-13
    Seismic survey in progress until 12 apr by M/V polar search towing four 6482 meter long cables in area bound…
  36. HYDROLANT 1265/002000-04-10 → 2000-04-13
    Seismic survey in progress until 12 apr by M/V ramform vanguard and M/V falcon explorer towing ten 4800…
  37. HYDROLANT 1264/002000-04-10 → 2000-04-14
    Seismic survey in progress until 13 apr by M/V geco tau towing 8334 meter long cable in area bound by 24-50S…
  38. HYDROLANT 1257/002000-04-09 → 2000-04-12
    Seismic survey in progress until 11 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  39. HYDROLANT 1255/002000-04-09 → 2000-04-12
    Seismic survey in progress until 11 apr by M/V western atlas towing 5000 meter long cable in area bound by…
  40. HYDROLANT 1251/002000-04-08 → 2000-04-11
    Seismic survey in progress until 10 apr by M/V northern access towing 8704 meter long cable in area bound by…
  41. HYDROLANT 1243/002000-04-08 → 2000-04-10
    Seismic survey in progress until 09 apr by M/V ramform victory towing eight 7038 meter long cables in area…
  42. HYDROLANT 1240/002000-04-08 → 2000-04-10
    Seismic survey in progress until 10 apr by M/V geco tau towing 8334 meter long cable in area bound by 24-20S…
  43. HYDROLANT 1221/002000-04-07 → 2000-04-10
    Seismic survey in progress until 09 apr by M/V polar search towing four 6300 meter long cables in area bound…
  44. HYDROLANT 1220/002000-04-07 → 2000-04-08
    Seismic survey in progress until 09 apr by M/V geco tau towing 8334 meter long cable in area bound by 25-55S…
  45. HYDROLANT 1209/002000-04-06 → 2000-04-08
    Seismic survey in progress until 08 apr by M/V northern access towing 8704 meter long cable in area bound by…
  46. HYDROLANT 1206/002000-04-06 → 2000-04-10
    Seismic survey in progress until 09 apr by M/V ramform vanguard and M/V falcon explorer towing ten 4800…
  47. HYDROLANT 1204/002000-04-06 → 2000-04-09
    Seismic survey in progress until 08 apr by M/V geco diamond towing eight 5556 meter long cables in area…
  48. HYDROLANT 1203/002000-04-06 → 2000-04-09
    Seismic survey in progress until 08 apr by M/V western atlas towing 5000 meter long cable in area bound by…
  49. HYDROLANT 1191/002000-04-05 → 2000-04-07
    Seismic survey in progress until 06 apr by M/V polar search towing 8520 meter long cable in area bound by…
  50. HYDROLANT 1190/002000-04-05 → 2000-04-08
    Seismic survey in progress until 07 apr by M/V ramform victory towing eight 7038 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 96 · seahazards