Cable & pipeline work in the South China Sea

Cable laying, pipeline and seismic operations.

in force
3
last 12 months
3
vs previous 12 (4)
-25%
since 1998
575

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 · 3

  1. NAVAREA XI 356/26in force2026-08-06
    Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
    Gulf of Thailand and South China Sea, Southern Part
  2. HYDROPAC 2099/26in force2026-07-21
    Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
    East China Sea · China
  3. NAVAREA XI 329/26in force2026-07-21
    Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
    Taiwan Strait

Longest in force

  1. NAVAREA XI 329/26in force2026-07-21 · 32 d
    Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
    Taiwan Strait
  2. HYDROPAC 2099/26in force2026-07-21 · 31 d
    Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
    East China Sea · China
  3. NAVAREA XI 356/26in force2026-08-06 · 16 d
    Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
    Gulf of Thailand and South China Sea, Southern Part

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
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the South China Sea

Archive · 572 cancelled

  1. HYDROPAC 443/082008-03-07 → 2008-03-09
    Cable repair operations in progress until 15 mar by M/V cable retriever vicinity of trackline between…
  2. HYDROPAC 410/082008-03-03 → 2008-03-11
    Cable repair operations in progress by M/V kdd ocean link until 10 mar, alternate 11 thru 13 mar in area…
  3. HYDROPAC 306/082008-02-18 → 2008-04-02
    Pipeline operations 23 feb thru 01 apr by M/V lewek touican along trackline between 05-27.5N 105-23.0E and…
  4. HYDROPAC 230/082008-02-06 → 2008-04-01
    Underwater cable operations 11 feb thru 31 mar by M/V capella between trackline joining 02-21.9N 103-54.0E…
  5. HYDROPAC 131/082008-01-23 → 2008-02-06
    Submarine cable operations 24 jan thru 22 feb by cableship asean restorer vicinity of trackline between…
  6. HYDROPAC 2289/072007-12-30 → 2008-01-24
    Seismic survey in progress until 31 jan 08 by M/V pacific titan towing 8500 meter long cable in area bound…
  7. HYDROPAC 1916/072007-11-02 → 2008-08-23
    Seismic survey in progress until further notice by M/V zephyr 1 towing 8500 meter long cable in area bound…
  8. HYDROPAC 1894/072007-11-01 → 2007-12-01
    Cable operations 05 thur 30 nov by cableship asean restorer vicinity of trackline between 05-53.4N 114-14.1E…
  9. HYDROPAC 1800/072007-10-17 → 2007-11-28
    Seismic survey in progress until 27 nov by M/V pacific sword towing eight 1000 meter long cables in area…
  10. HYDROPAC 1770/072007-10-12 → 2007-11-01
    Cable repair operations 17 oct thru 07 nov by cableship asean restorer vicinity 05-47.6N 103-32.0E
  11. HYDROPAC 1730/072007-10-06 → 2007-11-26
    Seismic survey in progress until 25 nov by working vessel towing four 4500 meter long cables in area bound…
  12. HYDROPAC 1729/072007-10-06 → 2007-12-01
    Seismic survey in progress until 30 nov by working vessel towing six 6000 meter long cables in area bound by…
  13. HYDROPAC 1725/072007-10-06 → 2009-01-04
    Seismic survey in progress until further notice by M/V cgg harmattan towing six 6500 meter long cables in…
  14. HYDROPAC 1634/072007-09-25 → 2007-10-01
    Seismic survey in progress until 24 jan 08 by M/V pacific titan towing eight 1000 meter long cables in area…
  15. HYDROPAC 1426/072007-08-14 → 2007-09-15
    Cable operations in progress until 14 sep by cableship asean restorer within one mile of 01-21.3N 104-21.2E
  16. HYDROPAC 1383/072007-08-08 → 2008-01-28
    Seismic survey in progress until further notice by M/V nordic explorer towing 6000 meter long cable in area…
  17. HYDROPAC 1375/072007-08-08 → 2007-08-08
    Seismic survey in progress until further notice by M/V nordic explorer towing 6000 meter long cable in area…
  18. HYDROPAC 1281/072007-07-24 → 2007-11-07
    Seismic survey in progress until 06 nov by M/V veritas viking 2 towing 6000 meter long cable in area bound…
  19. HYDROPAC 1039/072007-06-13 → 2007-06-30
    Seismic survey in progress until further notice by M/V cgg harmattan towing six 650 meter long cables in…
  20. HYDROPAC 686/072007-04-17 → 2007-10-06
    Seismic survey in progress until further notice by M/V cgg harmattan towing six 6500 meter long cables in…
  21. HYDROPAC 658/072007-04-13 → 2007-07-31
    Seismic survey in progress until 30 jul by M/V odam explorer towing 8000 meter long cable in areas bound by:…
  22. HYDROPAC 531/072007-03-23 → 2007-04-09
    Seismic survey 26 mar thru 08 apr by M/V geo eastern in area bound by 11-20.1N 119-08.0E, 11-27.7N…
  23. HYDROPAC 446/072007-03-11 → 2008-02-10
    Cable operations in progress until further notice by cableship cable retriever vicinity 04-38.1N 106-28.8E
  24. HYDROPAC 80/072007-01-14 → 2007-01-26
    Underwater operations 160001Z to 310001Z jan by cableship ile de re in area bound by 21-20.0N 120-03.1E,…
  25. HYDROPAC 52/072007-01-09 → 2007-01-26
    Seismic survey in progress until 30 apr by M/V odin explorer towing 8000 meter long cable in areas bound by:…
  26. HYDROPAC 36/072007-01-07 → 2007-01-26
    Submarine cable operations 12 thru 25 jan by cableship kdd ocean link in area bound by 21-21.9N 119-50.8E,…
  27. HYDROPAC 2093/062006-11-02 → 2006-11-14
    Seismic survey in progress until 18 nov by M/V veritas voyager and M/V china venture towing 6000 meter long…
  28. HYDROPAC 2092/062006-11-02 → 2006-11-27
    Seismic survey in progress until 26 nov by M/V veritas viking II, M/V renegade, M/V northern light and M/V…
  29. HYDROPAC 2076/062006-10-31 → 2006-12-01
    Seismic survey in progress until 30 nov by M/V geco searcher towing six 7400 meter long cables in area bound…
  30. HYDROPAC 1935/062006-10-07 → 2006-10-29
    Seismic survey in progress until 15 nov by M/V cgg fohn towing eight 5000 meter long cables in area bound by…
  31. HYDROPAC 1907/062006-09-30 → 2006-10-25
    Seismic survey in progress 01 thru 24 oct by M/V veritas voyager towing five mile long cable in area bound…
  32. HYDROPAC 1891/062006-09-28 → 2006-10-15
    Underwater operations in progress until 14 oct by cableship teknik samudra vicinity: a. 07-08.35N 103-16.14E
  33. HYDROPAC 1888/062006-09-27 → 2006-10-27
    Pipeline operations in progress by cableship asean restorer until 26 oct along trackline between 01-28.3N…
  34. HYDROPAC 1738/062006-09-05 → 2006-10-11
    Seismic survey in progress until 10 oct by M/V geco emerald towing eight 3.5 mile long cables in area bound…
  35. HYDROPAC 1710/062006-09-01 → 2006-09-25
    Seismic survey in progress until 24 sep by M/V veritas voyager towing 1200 meter long cable in area bound by…
  36. HYDROPAC 1597/062006-08-21 → 2006-10-10
    Seismic survey in progress until further notice by M/V cgg fohn towing eight 5000 meter long cables in area…
  37. HYDROPAC 1558/062006-08-16 → 2006-11-16
    Pipeline operations 18 aug thru 15 nov along trackline joining 05-40.6N 104-55.8E, 05-40.0N 104-55.9E,…
  38. HYDROPAC 1557/062006-08-16 → 2006-10-10
    Seismic survey in progress until 10 oct by M/V fohn towing eight 4500 meter long cables in area bound by…
  39. HYDROPAC 1483/062006-08-05 → 2007-02-28
    Seismic survey in progress until further notice by M/V geco searcher towing six 5000 meter long cables in…
  40. HYDROPAC 1442/062006-07-31 → 2006-08-05
    Seismic survey in progress until further notice by M/V geco searcher towing four three mile long cables in…
  41. HYDROPAC 981/062006-05-27 → 2006-06-13
    Cable operations 01 thru 15 jun, alternate 16 thru 21 jun by cableship fu hai in vicinity of trackline…
  42. HYDROPAC 336/062006-03-01 → 2006-03-15
    Cable operations in progress until 14 mar by cableship asean restorer vicinity 04-05N 104-05E
  43. HYDROPAC 269/062006-02-20 → 2006-03-02
    Cable repair operations 22 feb thru 03 mar, alternate 04 thru 06 mar by M/V kdd ocean link in area bound by…
  44. HYDROPAC 1876/052005-11-08 → 2005-11-16
    Seismic survey in progress until 15 nov by M/V teknik perdana towing 1500 meter long cable in areas bound…
  45. HYDROPAC 1791/052005-10-25 → 2006-07-01
    Seismic survey in progress until 30 jun 06 by M/V nan hai 502 in area bound by 08-55N 117-00E, 08-55N…
  46. HYDROPAC 1711/052005-10-11 → 2005-11-15
    Seismic survey 12 oct until further notice by M/V geco eagle towing eight three mile long cables in area…
  47. HYDROPAC 1656/052005-10-04 → 2005-11-01
    Seismic survey in progress until 31 oct by M/V nordic explorer in areas bound by: a. 05-56.5N 105-47.0E,…
  48. HYDROPAC 1567/052005-09-23 → 2005-10-05
    Seismic survey in progress until 23 oct by M/V nordic explorer towing six four mile long cables in area…
  49. HYDROPAC 1476/052005-09-11 → 2005-10-05
    Seismic survey in progress until 23 sep by M/V nordic explorer towing six four mile long cables in area…
  50. HYDROPAC 1470/052005-09-09 → 2005-09-11
    Seismic survey in progress until further notice by M/V nordic explorer towing six four mile long cables in…

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 China Sea — page 9 · seahazards