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 860/052005-05-07 → 2005-05-10
    Seismic survey in progress until 110259Z may by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  2. HYDROLANT 859/052005-05-07 → 2005-05-10
    Seismic survey in progress until 110259Z may by M/V western pride towing ten 6000 meter long cables in area…
  3. HYDROLANT 857/052005-05-07 → 2005-05-10
    Seismic survey in progress until 110259Z may by M/V bergen surveyor and M/V ocean explorer each towing 6000…
  4. HYDROLANT 856/052005-05-07 → 2005-05-10
    Seismic survey in progress until 110259Z may by M/V ramform valiant towing twelve 6000 meter long cables in…
  5. HYDROLANT 855/052005-05-07 → 2005-05-10
    Seismic survey in progress until 110259Z may by M/V falcon explorer towing 200 meter long cable in area…
  6. HYDROLANT 830/052005-05-03 → 2005-05-07
    Seismic survey in progress until 070259Z may by M/V falcon explorer towing 6000 meter long cable in area…
  7. HYDROLANT 829/052005-05-03 → 2005-05-07
    Seismic survey in progress until 070259Z may by M/V western pride towing ten 6000 meter long cables in area…
  8. HYDROLANT 828/052005-05-03 → 2005-05-07
    Seismic survey in progress until 070259Z may by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  9. HYDROLANT 827/052005-05-03 → 2005-05-07
    Seismic survey in progress until 070259Z may by M/V bergen surveyor and M/V ocean explorer each towing 6000…
  10. HYDROLANT 826/052005-05-03 → 2005-05-07
    Seismic survey in progress until 070259Z may by M/V ramform valiant towing twelve 6000 meter long cables in…
  11. HYDROLANT 814/052005-05-01 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V ramform valiant towing twelve 6000 meter long cables in…
  12. HYDROLANT 795/052005-04-27 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V western patriot towing six 6000 meter long cables in…
  13. HYDROLANT 794/052005-04-27 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V falcon explorer towing 6000 meter long cable in area…
  14. HYDROLANT 793/052005-04-27 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V western pride towing ten 6000 meter long cables in area…
  15. HYDROLANT 792/052005-04-27 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  16. HYDROLANT 791/052005-04-27 → 2005-05-03
    Seismic survey in progress until 030259Z may by M/V bergen surveyor and M/V ocean explorer each towing 6000…
  17. HYDROLANT 778/052005-04-26 → 2005-04-30
    Seismic survey in progress until 300259Z apr by M/V ramform valiant towing twelve 6000 meter long cables in…
  18. HYDROLANT 766/052005-04-23 → 2005-04-27
    Seismic survey in progress until 270259Z apr by M/V falcon explorer, M/V bergen surveyor and M/V ocean…
  19. HYDROLANT 764/052005-04-23 → 2005-04-27
    Seismic survey in progress until 270259Z apr by M/V western pride towing ten 6000 meter long cables and M/V…
  20. HYDROLANT 754/052005-04-22 → 2005-04-26
    Seismic survey in progress until 260259Z apr by M/V western patriot towing six 6000 meter long cables in…
  21. HYDROLANT 739/052005-04-20 → 2005-04-26
    Seismic survey in progress until 260259Z apr by M/V ramform valiant towing twelve 6000 meter long cables in…
  22. HYDROLANT 738/052005-04-20 → 2005-04-23
    Seismic survey in progress until 230259Z apr by M/V western pride towing ten 6000 meter long cables and M/V…
  23. HYDROLANT 706/052005-04-16 → 2005-04-20
    Seismic survey in progress until 200259Z apr by M/V ramform valiant towing twelve 6000 meter long cables in…
  24. HYDROLANT 697/052005-04-15 → 2005-04-20
    Seismic survey in progress until 200259Z apr by M/V western pride towing ten 6000 meter long cables in area…
  25. HYDROLANT 696/052005-04-15 → 2005-04-20
    Seismic survey in progress until 200259Z apr by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  26. HYDROLANT 672/052005-04-12 → 2005-04-15
    Seismic survey in progress until 150259Z apr by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  27. HYDROLANT 671/052005-04-12 → 2005-04-15
    Seismic survey in progress until 150259Z apr by M/V western pride towing ten 6000 meter long cables in area…
  28. HYDROLANT 639/052005-04-07 → 2005-04-16
    Seismic survey in progress until further notice by M/V ramform valiant vicinity 15-52S 038-17W
  29. HYDROPAC 566/052005-04-06 → 2005-04-13
    Cable operations in progress until further notice by cableship chamareal within six miles of 38-00S 019-44E
  30. HYDROLANT 630/052005-04-06 → 2005-10-05
    Cable operations in progress until further notice by cableship chamareal within six miles of 38-00S 019-44E
  31. HYDROLANT 627/052005-04-06 → 2005-04-12
    Seismic survey in progress until 120259Z apr by M/V western pride towing ten 6000 meter long cables in area…
  32. HYDROLANT 626/052005-04-06 → 2005-04-12
    Seismic survey in progress until 120259Z apr by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  33. HYDROLANT 606/052005-04-02 → 2005-04-06
    Seismic survey in progress until 060259Z apr by M/V western pride towing ten 6000 meter long cables in area…
  34. HYDROLANT 605/052005-04-02 → 2005-04-06
    Seismic survey in progress until 060259Z apr by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  35. HYDROLANT 573/052005-03-30 → 2005-04-03
    Seismic survey in progress until 030259Z apr by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  36. HYDROLANT 572/052005-03-30 → 2005-04-03
    Seismic survey in progress until 030259Z apr by M/V western pride towing ten 6000 meter long cables in area…
  37. HYDROLANT 546/052005-03-25 → 2005-03-30
    Seismic survey in progress until 300259Z mar by M/V western pride towing ten 6000 meter long cables in area…
  38. HYDROLANT 545/052005-03-25 → 2005-03-29
    Cable operations in progress until 290259Z mar by M/V ocean surveyor in area bound by 19-29.4S 039-43.8W,…
  39. HYDROLANT 544/052005-03-25 → 2005-03-30
    Seismic survey in progress until 300259Z mar by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  40. HYDROLANT 523/052005-03-22 → 2005-03-25
    Seismic survey in progress until 260259Z mar by M/V geco tau in area bound by 22-11S 040-10W, 22-30S…
  41. HYDROLANT 522/052005-03-22 → 2005-03-25
    Seismic survey in progress until 260259Z mar by M/V western pride towing ten 6000 meter long cables in area…
  42. HYDROLANT 517/052005-03-19 → 2005-03-25
    Cable operations in progress until 250259Z mar by M/V ocean surveyor in area bound by 19-29.4S 039-43.8W,…
  43. HYDROLANT 514/052005-03-19 → 2005-03-22
    Seismic survey in progress until 220259Z mar by M/V western pride towing ten 6000 meter long cables in area…
  44. HYDROLANT 513/052005-03-19 → 2005-03-22
    Seismic survey in progress until 220259Z mar by M/V geco tau in area bound by 22-08S 040-12W, 22-17S…
  45. HYDROLANT 474/052005-03-12 → 2005-03-17
    Seismic survey in progress until 170259Z mar by M/V geco tau in area bound by 22-08S 040-12W, 22-17S…
  46. HYDROLANT 473/052005-03-12 → 2005-03-17
    Seismic survey in progress until 170259Z mar by M/V western pride towing ten 6000 meter long cables in area…
  47. HYDROLANT 466/052005-03-11 → 2005-04-06
    Seismic survey in progress until further notice by M/V ramform valiant towing equipment within 30 miles of…
  48. HYDROLANT 450/052005-03-08 → 2005-03-12
    Seismic survey in progress until 120259Z mar by M/V geco tau in area bound by 22-08S 040-12W, 22-17S…
  49. HYDROLANT 449/052005-03-08 → 2005-03-15
    Cable operations in progress until 150259Z mar by M/V ocean surveyor in area bound by 19-29.4S 039-43.8W,…
  50. HYDROLANT 447/052005-03-08 → 2005-03-12
    Seismic survey in progress until 120259Z mar by M/V western pride towing ten 6000 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 59 · seahazards