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 1370/052005-08-24 → 2005-09-01
    Cable operations in progress until 31 aug by cableship cable retriever vicinity 05-39.1N 103-39.6E
  2. HYDROPAC 1299/052005-08-11 → 2005-08-24
    Cable operations in progress until 23 aug by cableship cable retriever vicinity 05-19.4N 103-48.8E
  3. HYDROPAC 1298/052005-08-11 → 2005-08-21
    Cable operations in progress until 20 aug by cableship lodbrog vicinity 14-26.7N 119-50.8E
  4. HYDROPAC 1295/052005-08-11 → 2005-08-12
    Seismic survey in progress until 10 sep by M/V pacific sword in area bound by 04-59.9N 114-40.0E, 05-08.7N…
  5. HYDROPAC 1196/052005-07-27 → 2005-10-11
    Seismic survey in progress until further notice by M/V geco eagle towing eight three mile long cables in…
  6. HYDROPAC 1051/052005-07-03 → 2005-08-11
    Seismic survey 04 jul thru 17 aug by M/V pacific sword towing 4500 meter long cables vicinity 09-35.0N…
  7. HYDROPAC 908/052005-06-05 → 2005-07-01
    Seismic survey in progress until further notice by M/V western trident towing eight four mile long cables in…
  8. HYDROPAC 725/052005-05-01 → 2005-12-09
    Seismic survey in progress until further notice by M/V western trident towing eight four mile long cables in…
  9. HYDROPAC 592/052005-04-10 → 2005-05-01
    Seismic survey in progress until further notice by M/V western trident towing four mile long cable in area…
  10. HYDROPAC 591/052005-04-10 → 2005-09-09
    Seismic survey in progress until further notice by M/V nordic explorer towing six three mile long cables in…
  11. HYDROPAC 494/052005-03-25 → 2005-04-17
    Seismic survey in progress until further notice by M/V geco eagle towing eight three mile long cables in…
  12. HYDROPAC 452/052005-03-15 → 2005-03-25
    Seismic survey 16 mar until further notice by M/V geco eagle, towing eight 3 mile long cables in area bound…
  13. HYDROPAC 1799/042004-11-15 → 2005-01-21
    Seismic survey 20 nov until further notice by M/V geco eagle towing ten four mile long cables in area bound…
  14. HYDROPAC 1602/042004-10-09 → 2004-11-15
    Seismic survey 11 oct until further notice by M/V geco eagle towing eight four mile long cables in area…
  15. HYDROPAC 1580/042004-10-04 → 2004-10-13
    Seismic survey in progress until further notice by M/V geco emerald towing 2.5 mile long cable in area bound…
  16. HYDROPAC 1575/042004-10-03 → 2004-10-26
    Seismic survey in progress until 25 oct by M/V cgg fohn towing six 5000 meter long cables in area bound by…
  17. HYDROPAC 1574/042004-10-03 → 2004-10-04
    Seismic survey in progress until 13 nov by M/V geco emerald towing six 3.5 mile long cables in area bound by…
  18. HYDROPAC 1512/042004-09-21 → 2004-10-07
    Cable repair operations 25 thru 30 sep, alternate 01 thru 06 oct by cableship kdd ocean link in area bound…
  19. HYDROPAC 1434/042004-09-04 → 2004-10-03
    Seismic survey in progress until 10 oct by M/V geco emerald towing eight 3.5 mile long cables in area bound…
  20. HYDROPAC 1333/042004-08-15 → 2004-09-11
    Seismic survey in progress until 10 sep by M/V nordic explorer towing three mile long cable in area bound by…
  21. HYDROPAC 1268/042004-08-05 → 2004-09-02
    Seismic survey in progress until 01 sep by M/V geco emerald towing eight 3.5 mile long cables in area bound…
  22. HYDROPAC 1227/042004-07-28 → 2004-09-21
    Seismic survey in progress until 20 sep by M/V veritas searcher towing 4600 meter long cable in areas bound…
  23. HYDROPAC 1139/042004-07-10 → 2004-09-01
    Seismic survey in progress until 31 aug by M/V cgg fohn towing six 4500 meter long cables in area bound by…
  24. HYDROPAC 1127/042004-07-07 → 2004-08-20
    Seismic survey in progress until 200001Z aug by M/V orient explorer towing four 4500 meters long cables in…
  25. HYDROPAC 882/042004-05-22 → 2004-06-22
    Seismic survey in progress until 220001Z jun by M/V zephyr 1 towing 7500 meter long cable in area bound by…
  26. HYDROPAC 803/042004-05-04 → 2004-05-21
    Seismic survey in progress until 20 may by M/V geco emerald towing 3.8 mile long cable in area bound by…
  27. HYDROPAC 655/042004-04-12 → 2004-05-04
    Seismic survey in progress until 20 may by M/V geco emerald towing 3.3 mile long cable in area bound by…
  28. HYDROPAC 654/042004-04-12 → 2004-04-12
    Seismic survey in progress until 20 may by M/V geco emerald towing 3.3 mile long cable in area bound by…
  29. HYDROPAC 527/042004-03-23 → 2004-05-21
    Seismic survey in progress until 210001Z may by M/V zephyr 1 towing 7500 meter long cable in area bound by…
  30. HYDROPAC 329/042004-02-22 → 2004-09-08
    Cable repair operations in progress until further notice by cableship cable retriever vicinity of trackline…
  31. HYDROPAC 1749/032003-10-09 → 2003-11-14
    Seismic survey 11 oct thru 20 nov by M/V geco emerald towing 2.2 mile long cable in area bound by 04-35N…
  32. HYDROPAC 1577/032003-09-13 → 2003-10-01
    Seismic survey in progress until 30 sep by M/V pacific sword towing 4300 meter long cable in area bound by…
  33. HYDROPAC 1552/032003-09-10 → 2003-10-26
    Cable repair operations in progress until 25 oct by cableship cable retriever vicinity of trackline between…
  34. HYDROPAC 940/032003-05-31 → 2003-08-21
    Seismic survey in progress until further notice by M/V geco eagle towing four mile long cable in area bound…
  35. HYDROPAC 171/032003-01-30 → 2003-04-12
    Seismic survey in progress until further notice by M/V geco eagle towing four mile long cable in area bound…
  36. HYDROPAC 1699/022002-09-17 → 2002-11-04
    Seismic survey in progress until further notice by M/V ramform challenger towing 4500 meter long cable in…
  37. HYDROPAC 1695/022002-09-17 → 2002-11-20
    Seismic survey in progress until further notice by M/V geco eagle towing 2.5 mile long cable in area bound…
  38. HYDROPAC 1607/022002-09-04 → 2002-11-24
    Seismic survey in progress until 03 dec by M/V orient explorer towing three mile long cable: a. along…
  39. HYDROPAC 1339/022002-07-21 → 2002-08-03
    Seismic survey 22 jul thru 07 aug by M/V orient explorer towing three mile long cable in area bound by…
  40. HYDROPAC 1163/022002-06-22 → 2002-07-17
    Seismic survey 23 jun thru 31 jul by M/V orient explorer towing four 3 mile long cables in area bound by…
  41. HYDROPAC 975/022002-05-27 → 2002-07-30
    Seismic survey in progress until further notice by M/V geco eagle towing four mile long cable in area bound…
  42. HYDROPAC 827/022002-05-02 → 2002-05-24
    Seismic survey in progress until 23 may by M/V orient explorer towing four 4500 meter long cables in area…
  43. HYDROPAC 735/022002-04-20 → 2002-09-17
    Seismic survey 25 apr until further notice by M/V ramform challenger towing 5000 meter long cable in area…
  44. HYDROPAC 734/022002-04-20 → 2002-04-20
    Seismic survey 25 apr until further notice by M/V ramform challenger towing five meter long cable in area…
  45. HYDROPAC 573/022002-03-26 → 2002-05-02
    Seismic survey in progress until further notice by M/V orient explorer towing four 4500 meter long cables in…
  46. HYDROPAC 544/022002-03-24 → 2002-04-20
    Seismic survey in progress until further notice by M/V ramform challenger towing 3.5 mile long cable in area…
  47. HYDROPAC 511/022002-03-20 → 2002-03-25
    Submarine cable operations in progress until 27 mar by cableship kdd ocean link in area bound by 20-06.5N…
  48. HYDROPAC 466/022002-03-15 → 2002-03-20
    Submarine cable operations in progress until 22 mar by cableship kdd ocean link in area bound by 20-06.5N…
  49. HYDROPAC 405/022002-03-06 → 2002-03-15
    Submarine cable operations 11 thru 17 mar by cableship kdd ocean link in area bound by 20-06.5N 121-42.5E,…
  50. HYDROPAC 325/022002-02-21 → 2002-03-21
    Cable laying operations in progress until 20 mar vicinity of trackline joining 21-52N 114-06E, 21-46N…

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 10 · seahazards