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 103/022002-01-16 → 2002-02-11
    Submarine cable operations 17 jan thru 10 feb by cableship bold endurance vicinity of trackline joining…
  2. HYDROPAC 25/022002-01-05 → 2002-01-11
    Underwater pipeline operations in progress until 15 apr in area bound by 19-37.5N 112-07.0E, 19-40.0N…
  3. HYDROPAC 2087/012001-12-24 → 2001-12-27
    Submarine cable laying operations in progress until 26 dec by cableship oceanic princess vicinity 12-10N…
  4. HYDROPAC 2019/012001-12-12 → 2001-12-15
    Submarine cable operations in progress until 14 dec by cableship oceanic princess in 07-28N 109-02E
  5. HYDROPAC 1785/012001-11-05 → 2002-01-14
    Submarine cable laying operations 10 nov thru 13 jan by cableship cable innovator vicinity of tracklines…
  6. HYDROPAC 1761/012001-11-01 → 2002-01-17
    Submarine cable operations 06 nov thru 16 jan by cableship bold endurance vicinity of trackline joining…
  7. HYDROPAC 1757/012001-10-31 → 2001-12-12
    Cable laying operations 05 nov until further notice by cableship fresnel vicinity of trackline joining…
  8. HYDROPAC 1749/012001-10-29 → 2001-11-06
    Submarine cable operations in progress until 05 nov by cableship oceanic princess vicinity of trackline…
  9. HYDROPAC 1721/012001-10-25 → 2001-11-19
    Seismic survey in progress until 18 nov by M/V akademik shatskiy towing 6000 meter long cable in area bound…
  10. HYDROPAC 1665/012001-10-15 → 2002-01-01
    Submarine cable operations in progress until 31 dec by vessel vicinity of trackline joining 22-17N 114-16E,…
  11. HYDROPAC 1644/012001-10-12 → 2001-10-16
    Cable laying operations in progress until 160001Z oct by cableship oceanic princess vicinity of trackline…
  12. HYDROPAC 1612/012001-10-08 → 2001-10-13
    Submarine cable laying operations in progress thru 12 oct by cableship oceanic princess vicinity of…
  13. HYDROPAC 1562/012001-09-28 → 2001-10-12
    Cable laying operations in progress until 11 oct by cableship bold endurance vicinity of trackline joining…
  14. HYDROPAC 1516/012001-09-21 → 2001-09-28
    Underwater cable laying operations 23 sep thru 11 oct by cableship bold endurance vicinity of trackline…
  15. HYDROPAC 1440/012001-09-04 → 2001-09-23
    Seismic survey in progress until further notice by M/V geco beta towing three mile long cable in area bound…
  16. HYDROPAC 1371/012001-08-22 → 2001-10-17
    Submarine cable laying operations 24 aug until further notice by cableship fresnel vicinity of trackline…
  17. HYDROPAC 1352/012001-08-19 → 2001-09-04
    Submarine cable operations 210800Z aug to 040001Z sep by M/V rt rednet vicinity of trackline joining…
  18. HYDROPAC 1340/012001-08-18 → 2001-08-19
    Submarine cable operations in progress until further notice by M/V rt rednet vicinity of trackline joining…
  19. HYDROPAC 1320/012001-08-15 → 2001-10-31
    Submarine cable laying operations 16 aug thru 30 oct by cableship cable innovator vicinity of trackline…
  20. HYDROPAC 1319/012001-08-15 → 2001-09-21
    Submarine cable laying operations 16 aug thru 20 sep by cableship bold endurance vicinity of trackline…
  21. HYDROPAC 1314/012001-08-14 → 2001-09-03
    Submarine cable laying operations in progress until 02 sep by cableship asean restorer and M/V choyo maru…
  22. HYDROPAC 1278/012001-08-09 → 2001-08-18
    Submarine cable operations in progress until further notice by M/V rt rednet vicinity of trackline joining…
  23. HYDROPAC 1254/012001-08-05 → 2001-08-07
    Cable laying operations 051200Z to 071200Z aug by cableship oceanic princess vicinity of trackline joining…
  24. HYDROPAC 1248/012001-08-04 → 2001-08-06
    Cable laying operations in progress until further notice by M/V rt rednet vicinity of trackline joining…
  25. HYDROPAC 1239/012001-08-02 → 2001-08-05
    Underwater cable operations in progress until 051200Z aug by cableship oceanic princess vicinity of…
  26. HYDROPAC 1237/012001-08-01 → 2001-10-01
    Underwater cable operations in progress until 30 sep by vessel vicinity of tracklines joining: a. 21-45.6N…
  27. HYDROPAC 1228/012001-07-31 → 2001-08-22
    Underwater cable operations 04 aug until further notice by cableship fresnel vicinity of tracklines joining:…
  28. HYDROPAC 1170/012001-07-24 → 2001-07-29
    Seismic survey in progress until further notice by M/V geco eagle towing four mile long cable in area bound…
  29. HYDROPAC 1144/012001-07-19 → 2001-08-13
    Seismic survey 20 jul thru 25 aug by M/V orient explorer towing three mile long cable in area bound by…
  30. HYDROPAC 1140/012001-07-19 → 2001-07-19
    Seismic survey 20 jul thru 30 aug by M/V orient explorer towing three mile long cable in area bound by…
  31. HYDROPAC 1120/012001-07-15 → 2001-07-27
    Submarine cable operations in progress until further notice by cableship fresnel along trackline joining…
  32. HYDROPAC 1052/012001-07-06 → 2001-08-04
    Underwater cable operations in progress until further notice by M/V rt rednet vicinity of trackline joining…
  33. HYDROPAC 1030/012001-07-03 → 2001-07-08
    Cable laying operations 08 jul until further notice by cableship fresnel vicinity of tracklines joining: a.…
  34. HYDROPAC 1008/012001-06-29 → 2001-06-30
    Seismic survey in progress until 292359Z jun by M/V sagar sandhani towing 3.2 mile long cable vicinity…
  35. HYDROPAC 990/012001-06-27 → 2001-06-30
    Submarine cable operations in progress until 292300Z jun by cableship oceanic princess vicinity of trackline…
  36. HYDROPAC 969/012001-06-25 → 2001-08-28
    Seismic survey in progress until further notice by M/V geco beta towing three mile long cable in area bound…
  37. HYDROPAC 964/012001-06-24 → 2001-06-25
    Seismic survey in progress until further notice by M/V geco beta towing three mile long cable in area bound…
  38. HYDROPAC 956/012001-06-23 → 2001-07-24
    Seismic survey in progress until further notice by M/V geco eagle towing four mile long cable in area bound…
  39. HYDROPAC 944/012001-06-21 → 2001-10-01
    Cable laying operation in progress until 30 sep vicinity of tracklines joining: a. 21-45.6N 113-53.4E,…
  40. HYDROPAC 843/012001-06-01 → 2001-06-23
    Seismic survey in progress until 30 jun by M/V geco eagle towing four mile long cable in area bound by…
  41. HYDROPAC 792/012001-05-24 → 2001-05-27
    Cable laying operations in progress until 271200Z may by cableship maersk reliance along trackline joining…
  42. HYDROPAC 573/012001-04-17 → 2001-07-05
    Seismic survey 19 apr until further notice by M/V ramform challenger towing three mile long cable in area…
  43. HYDROPAC 517/012001-04-06 → 2001-10-01
    Cable laying operations in progress until 30 sep by vessel vicinity of tracklines: a. joining 23-13.3N…
  44. HYDROPAC 507/012001-04-04 → 2001-05-01
    Seismic survey in progress until 30 apr by M/V geco beta towing two mile long cable in area bound by 20-50N…
  45. HYDROPAC 291/012001-02-21 → 2001-07-13
    Cable laying operations in progress until further notice by cableship asean restorer in 01-22N 104-24E
  46. HYDROPAC 154/012001-01-30 → 2001-04-17
    Seismic survey in progress until further notice by M/V ramform challenger towing four mile long cable in…
  47. HYDROPAC 151/012001-01-30 → 2001-11-09
    Seismic survey in progress until further notice by M/V ramform viking towing four mile long cable in area…
  48. HYDROPAC 1808/002000-12-21 → 2001-02-05
    Cable laying operations in progress until 04 feb by cableship vicinity of tracklines joining: a. 22-17N…
  49. HYDROPAC 1612/002000-11-03 → 2000-11-17
    Underwater cable repair operations 08 thru 16 nov by cableship kdd ocean link in area bound by 22-48N…
  50. HYDROPAC 1154/002000-08-05 → 2001-01-30
    Seismic survey in progress until further notice by M/V ramform challenger towing four mile long cable 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 11 · seahazards