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 66/052005-01-11 → 2005-01-12
    Seismic survey in progress until 120259Z jan by M/V ocean explorer towing 6000 meter long cable in area…
  2. HYDROLANT 65/052005-01-11 → 2005-01-12
    Seismic survey in progress until 120259Z jan by M/V bergen surveyor towing 6000 meter long cable in area…
  3. HYDROLANT 59/052005-01-09 → 2005-01-12
    Seismic survey 090300Z to 120259Z jan by M/V western pride towing ten 6000 meter long cables in area bound…
  4. HYDROLANT 55/052005-01-08 → 2005-01-12
    Cable operations 100300Z to 120300Z jan by M/V ocean surveyor towing 75 meter long cable in area bound by…
  5. HYDROLANT 44/052005-01-07 → 2005-01-08
    Cable operations in progress until 080300Z jan by M/V ocean surveyor towing 75 meter long cable in area…
  6. HYDROLANT 28/052005-01-05 → 2005-01-10
    Seismic survey in progress until 100259Z jan by M/V ocean explorer towing 6000 meter long cable in area…
  7. HYDROLANT 26/052005-01-05 → 2005-01-09
    Seismic survey in progress until 090259Z jan by M/V western pride towing ten 6000 meter long cables in area…
  8. HYDROLANT 24/052005-01-05 → 2005-01-10
    Seismic survey in progress until 100259Z jan by M/V bergen surveyor towing 6000 meter long cable in area…
  9. HYDROLANT 13/052005-01-04 → 2005-01-05
    Seismic survey in progress until 050259Z jan by M/V western pride towing ten 6000 meter long cables in area…
  10. HYDROLANT 2056/042004-12-26 → 2004-12-31
    Seismic survey 270300Z to 310300Z dec by M/V ocean surveyor in areas bound by: a. 03-04.00S 038-56.10W,…
  11. HYDROLANT 2043/042004-12-23 → 2004-12-26
    Seismic survey by M/V ocean surveyor towing 75 meter long cable: a. 240300Z to 260300Z dec along trackline…
  12. HYDROLANT 2033/042004-12-21 → 2004-12-25
    Seismic survey in progress until 250259Z dec by vessel in area bound by 03-47.13S 038-33.00W, 03-42.10S…
  13. HYDROLANT 2032/042004-12-21 → 2004-12-24
    Seismic survey in progress until 240259Z dec by M/V ocean explorer along trackline between 21-11-00S…
  14. HYDROLANT 1984/042004-12-13 → 2004-12-15
    Cable operations in progress until 150300Z dec by M/V ocean surveyor vicinity of trackline joining 03-04S…
  15. HYDROLANT 1961/042004-12-08 → 2004-12-15
    Seismic survey 080300Z to 150259Z dec by M/V berger surveyor towing one 6000 meter long cable in area bound…
  16. HYDROLANT 1960/042004-12-08 → 2004-12-15
    Seismic survey 080300Z to 150259Z dec by M/V falcon explorer towing one 200 meter long cable in area bound…
  17. HYDROLANT 1927/042004-12-02 → 2004-12-03
    Seismic survey in progress until 070300Z dec by M/V western pride towing ten 6000 meter long cables in area…
  18. HYDROLANT 1892/042004-11-24 → 2004-11-30
    Seismic survey in progress until 300300Z nov by M/V western pride towing ten 6000 meter long cables in area…
  19. HYDROLANT 1886/042004-11-23 → 2004-11-25
    Seismic survey in progress until 250300Z nov by M/V western pride towing ten 6000 meter long cables in area…
  20. HYDROLANT 1864/042004-11-18 → 2005-01-13
    Seismic survey in progress until further notice by M/V akademik alexandr karpinsky towing five mile long…
  21. HYDROLANT 1859/042004-11-18 → 2004-11-23
    Seismic survey in progress until 230259Z nov by M/V western pride towing ten 6000 meter long cables in area…
  22. HYDROLANT 1840/042004-11-14 → 2004-11-18
    Seismic survey in progress until 180259Z nov by M/V western pride towing ten 6000 meter long cables in area…
  23. HYDROLANT 1809/042004-11-10 → 2004-11-14
    Seismic survey in progress until 140259Z nov by M/V western pride towing ten 6000 meter long cables in area…
  24. HYDROLANT 1793/042004-11-07 → 2004-11-10
    Seismic survey in progress until 100159Z nov by M/V western pride towing ten 6000 meter long cables in area…
  25. HYDROLANT 1792/042004-11-07 → 2004-12-29
    Seismic survey in progress until further notice by M/V western patriot towing 7000 meter long cable vicinity…
  26. HYDROLANT 1784/042004-11-04 → 2004-11-07
    Seismic survey in progress until 070159Z nov by M/V western pride towing ten 6000 meter long cables in area…
  27. HYDROLANT 1758/042004-11-01 → 2004-11-04
    Seismic survey in progress until 040259Z nov by M/V western pride towing ten 6000 meter long cables in area…
  28. HYDROLANT 1744/042004-10-29 → 2004-11-01
    Seismic survey 290300Z oct to 010259Z nov by M/V western pride towing ten 6000 meter long cables in area…
  29. HYDROLANT 1721/042004-10-24 → 2004-10-29
    Seismic survey in progress until 290259Z oct by M/V cgg symphony towing eight 6000 meter long cables in area…
  30. HYDROLANT 1715/042004-10-22 → 2004-10-29
    Seismic survey 230300Z to 290259Z oct by M/V western pride towing ten 6000 meter long cables in area bound…
  31. HYDROLANT 1706/042004-10-22 → 2004-10-24
    Seismic survey in progress until 240259Z oct by M/V cgg symphony towing eight 6000 meter long cables in area…
  32. HYDROLANT 1611/042004-10-02 → 2004-10-07
    Cable laying operations by M/V ocean surveyor towing 84 meter long equipment: a. 01 thru 03 oct along…
  33. HYDROLANT 1592/042004-09-30 → 2004-10-02
    Cable laying operations by M/V ocean surveyor: a. 30 sep along trackline joining 11-01.3S 036-57.6W,…
  34. HYDROLANT 1570/042004-09-26 → 2004-09-27
    Cable laying operations until 270300Z sep by M/V ocean surveyor along trackline joining 11-07.8S 037-05.0W,…
  35. HYDROLANT 1564/042004-09-25 → 2004-09-26
    Cable laying operations 240300Z to 270300Z sep by M/V ocean surveyor along trackline joining 10-59.4S…
  36. HYDROLANT 1560/042004-09-24 → 2004-09-27
    Submarine cable operations in progress until 270300Z sep vicinity of trackline joining: 10-59.4S 037-02.3W,…
  37. HYDROLANT 1545/042004-09-22 → 2004-09-24
    Cable laying operations 210300Z to 240300Z sep by M/V ocean surveyor along trackline joining 11-07.8S…
  38. HYDROLANT 1529/042004-09-19 → 2004-09-21
    Cable laying operations 210300Z to 240300Z sep by M/V ocean surveyor along trackline joining 11-07.8S…
  39. HYDROLANT 1296/042004-08-05 → 2004-08-08
    Seismic survey in progress until 080259Z aug by vessel cgg symphony towing eight 6000 meter long cables in…
  40. HYDROLANT 1196/042004-07-16 → 2004-07-21
    Seismic survey in progress until 210259Z jul by M/V cgg symphony towing eight 6000 meter long cables in area…
  41. HYDROLANT 1185/042004-07-14 → 2004-07-16
    Seismic survey in progress until 190259Z jul by M/V cgg symphony towing eight 6000 meter long cables in area…
  42. HYDROLANT 1138/042004-07-06 → 2004-07-09
    Seismic survey in progress until further notice by M/V sea surveyor: a. vicinity 31-42S 009-59E
  43. HYDROLANT 825/042004-05-14 → 2004-05-17
    Seismic survey in progress until 16 may by M/V tropicaliente towing two 20 meter long cables: a. 14 and 15…
  44. HYDROLANT 819/042004-05-13 → 2004-05-15
    Seismic survey in progress until 180259Z may by M/V cgg harmattan towing six 6000 meter long cables in area…
  45. HYDROLANT 803/042004-05-11 → 2004-05-14
    Seismic survey in progress until 13 may by M/V tropicaliente towing two 20 meter long cables: a. 11 and 12…
  46. HYDROLANT 784/042004-05-08 → 2004-05-11
    Seismic survey in progress until 10 may by M/V tropicaliente towing two 20 meter long cables and M/V bulldog…
  47. HYDROLANT 783/042004-05-08 → 2004-05-13
    Seismic survey in progress until 130259Z may by M/V cgg harmattan towing six 6000 meter long cables in area…
  48. HYDROLANT 759/042004-05-04 → 2004-05-08
    Seismic survey in progress until 07 may by M/V tropicaliente towing two 20 meter long cables and M/V bulldog…
  49. HYDROLANT 745/042004-05-02 → 2004-05-08
    Seismic survey in progress until 080259Z may by M/V cgg harmattan towing six 6000 meter long cables in area…
  50. HYDROLANT 744/042004-05-02 → 2004-05-04
    Seismic survey in progress until 03 may by M/V tropicaliente towing two 20 meter long cables and M/V bulldog…

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 61 · seahazards