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 166/082008-01-23 → 2008-01-29
    Seismic survey in progress until 290259Z jan by M/V rig supporter with submersible in area bound by…
  2. HYDROLANT 158/082008-01-22 → 2008-01-26
    Seismic survey in progress until 260259Z jan by M/V fugro explorer in area bound by 24-59.12S 043-41.97W,…
  3. HYDROLANT 148/082008-01-20 → 2008-01-23
    Seismic survey in progress until 230259Z jan by M/V rig supporter with submersible in area bound by…
  4. HYDROLANT 147/082008-01-20 → 2008-01-30
    Seismic survey 231400Z to 300259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  5. HYDROLANT 146/082008-01-20 → 2008-01-23
    Seismic survey in progress until 231400Z jan by M/V hawk explorer towing 10000 meter long cable in area…
  6. HYDROLANT 142/082008-01-19 → 2008-02-04
    Seismic survey 22 jan until further notice by M/V discoverer and M/V luchador towing 11000 meter long cable…
  7. HYDROLANT 135/082008-01-18 → 2008-01-20
    Seismic survey 200300Z to 250259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  8. HYDROLANT 134/082008-01-18 → 2008-01-20
    Seismic survey 190300Z to 200259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  9. HYDROLANT 129/082008-01-17 → 2008-01-19
    Seismic survey in progress until further notice by M/V discoverer towing 10200 meter long cable vicinity…
  10. HYDROLANT 118/082008-01-16 → 2008-01-19
    Seismic survey in progress until 190259Z jan by M/V fugro explorer in area bound by 24-58.87S 043-41.30W,…
  11. HYDROLANT 116/082008-01-15 → 2008-01-25
    Pipeline operations in progress until 31 dec 09 vicinity 05-39.2S 011-26.8E
  12. HYDROLANT 115/082008-01-15 → 2008-01-16
    Seismic survey in progress until 160259Z jan by M/V hawk explorer towing 10000 meter long cable in area…
  13. HYDROLANT 114/082008-01-15 → 2008-01-20
    Seismic survey in progress until 200259Z jan by M/V rig supporter with submersible in area bound by…
  14. HYDROLANT 112/082008-01-15 → 2008-01-17
    Seismic survey in progress until further notice by M/V discoverer towing 10200 meter long cable in area…
  15. HYDROLANT 111/082008-01-15 → 2008-03-29
    Pipe laying operations in progress during daylight hours until further notice by barge yagana, M/V seacor…
  16. HYDROLANT 110/082008-01-14 → 2008-01-15
    Pipeline operations in progress until 31 dec 09 vicinity 05-39.12S 011-26.48E
  17. HYDROLANT 102/082008-01-13 → 2008-01-19
    Seismic survey 160300Z to 190259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  18. HYDROLANT 101/082008-01-13 → 2008-01-14
    Seismic survey in progress until 140259Z jan by M/V hawk explorer towing 10000 meter long cable in area…
  19. HYDROLANT 99/082008-01-12 → 2008-01-15
    Seismic survey in progress until 150259Z jan by M/V fugro explorer in area bound by 24-58.87S 043-41.30W,…
  20. HYDROLANT 97/082008-01-12 → 2008-01-13
    Seismic survey in progres until 150259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound…
  21. HYDROLANT 92/082008-01-11 → 2008-01-12
    Seismic survey in progres until 120259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound…
  22. HYDROLANT 90/082008-01-11 → 2008-01-14
    Seismic survey in progress until 140259Z jan by M/V rig supporter with submersible in area bound by…
  23. HYDROLANT 84/082008-01-10 → 2008-01-13
    Seismic survey in progress until 130259Z jan by M/V coastal surveyor II in area bound by 19-40.00S…
  24. HYDROLANT 80/082008-01-10 → 2008-01-11
    Seismic survey 110300Z to 140259Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  25. HYDROLANT 66/082008-01-09 → 2008-01-10
    Seismic survey in progress until 100259Z jan by M/V rig supporter with submersible in area bound by…
  26. HYDROLANT 50/082008-01-07 → 2008-01-09
    Seismic survey in progress until 090259Z jan by M/V rig supporter with submersible in area bound by…
  27. HYDROLANT 47/082008-01-06 → 2008-01-10
    Seismic survey 070300Z to 101300Z jan by M/V hawk explorer towing 10000 meter long cable in area bound by…
  28. HYDROLANT 38/082008-01-05 → 2008-01-06
    Seismic survey in progress until 060259Z jan by M/V hawk explorer towing 10000 meter long cable in area…
  29. HYDROLANT 24/082008-01-04 → 2008-01-07
    Seismic survey in progress until 070259Z jan by M/V rig supporter with submersible in area bound by…
  30. HYDROLANT 17/082008-01-03 → 2008-01-04
    Seismic survey in progress until 080259Z jan by M/V rig supporter with submersible in area bound by…
  31. HYDROLANT 2/082008-01-01 → 2008-01-03
    Seismic survey in progress until 030259Z jan by M/V rig supporter with submersible in area bound by…
  32. HYDROLANT 1/082008-01-01 → 2008-01-04
    Seismic survey in progress until 040259Z jan by M/V fugro explorer, M/V toisa valiant towing 2000 meter long…
  33. HYDROLANT 2162/072007-12-27 → 2008-05-01
    Seismic survey in progress until 30 apr 08 by M/V western pride towing eight 4.5 mile long cables in area…
  34. HYDROLANT 2159/072007-12-27 → 2008-01-01
    Seismic survey in progress until 010259Z jan 08 by M/V fugro explorer, M/V rig supporter with submersible,…
  35. HYDROLANT 2155/072007-12-26 → 2007-12-27
    Seismic survey in progress until 010259Z jan 08 by M/V fugro explorer, M/V rig supporter with submersible…
  36. HYDROLANT 2154/072007-12-25 → 2007-12-26
    Seismic survey 260300Z dec to 010259Z jan 08 by M/V fugro explorer in area bound by 22-30.22S 040-37.13W,…
  37. HYDROLANT 2143/072007-12-23 → 2007-12-27
    Seismic survey in progress until 270259Z dec by M/V hawk explorer towing 10000 meter long cable in area…
  38. HYDROLANT 2142/072007-12-23 → 2007-12-25
    Seismic survey in progress until 250259Z dec by M/V toisa valiant towing 2000 meter long cable in area bound…
  39. HYDROLANT 2141/072007-12-23 → 2007-12-25
    Seismic survey in progress until 250259Z dec by M/V fugro explorer in area bound by 22-30.22S 040-37.13W,…
  40. HYDROLANT 2140/072007-12-23 → 2007-12-25
    Seismic survey in progress until 250259Z dec by M/V rig supporter with submersible in area bound by…
  41. HYDROLANT 2134/072007-12-21 → 2008-01-15
    Seismic survey in progress until further notice by M/V discoverer towing 10200 metter long cable in area…
  42. HYDROLANT 2130/072007-12-20 → 2007-12-23
    Seismic survey in progress until 230259Z dec by M/V hawk explorer towing 10000 meter long cable in area…
  43. HYDROLANT 2129/072007-12-20 → 2007-12-21
    Seismic survey in progress until further notice by M/V discoverer towing 10000 meter long cable vicinity…
  44. HYDROLANT 2125/072007-12-19 → 2007-12-23
    Seismic survey in progress until 230259Z dec by M/V fugro explorer in area bound by 22-30.22S 040-37.13W,…
  45. HYDROLANT 2124/072007-12-19 → 2007-12-23
    Seismic survey in progress until 230259Z dec by M/V rig supporter in area bound by 22-30.22S 040-37.13W,…
  46. HYDROLANT 2123/072007-12-19 → 2007-12-23
    Seismic survey in progress until 230259Z dec by M/V toisa valiant towing 2000 meter long cable in area bound…
  47. HYDROLANT 2106/072007-12-16 → 2008-01-15
    Pipe laying operations in progress during daylight hours until further notice by barge yagana, M/V seacor…
  48. HYDROLANT 2100/072007-12-15 → 2008-03-10
    Pipe laying operations 17 dec thru 08 dec 10 by M/V seven oceans in area bound by 22-10.08S 037-45.52W,…
  49. HYDROLANT 2099/072007-12-15 → 2007-12-20
    Seismic survey 170300Z to 200259Z dec by M/V hawk explorer towing 10000 meter long cable in area bound by…
  50. HYDROLANT 2098/072007-12-15 → 2007-12-17
    Seismic survey in progress until 170259Z dec by M/V hawk explorer towing 10000 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 48 · seahazards