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 · 31 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 1654/112011-06-05 → 2011-07-05
    Seismic survey 06 jun thru 04 jul by M/V viking 2 towing eight 6000 meter long cables in area bound by…
    South China Sea
  2. HYDROPAC 1537/112011-05-23 → 2011-08-02
    Seismic survey 24 may thru 01 aug by M/V western patriot towing eight 7000 meter long cables in area bound…
    South China Sea
  3. HYDROPAC 1446/112011-05-13 → 2011-06-05
    Seismic survey 14 may thru 18 jun by M/V viking II towing eight 7000 meter long cables in area bound by…
    South China Sea
  4. HYDROPAC 1337/112011-05-01 → 2011-05-23
    Seismic survey in progress until 22 may by pacific finder towing four 6000 meter long cables in area bound…
    South China Sea
  5. HYDROPAC 1135/112011-04-12 → 2011-11-01
    Seismic survey in progress until 31 oct by vessel towing six 6000 meter long cables in area bound by 18-20N…
    South China Sea
  6. HYDROPAC 1032/112011-04-02 → 2011-07-01
    Seismic survey 07 apr thru 30 jun by M/V trias towing two mile long cable in area bound by 10-05N 109-02E,…
    South China Sea
  7. HYDROPAC 965/112011-03-27 → 2011-04-02
    Seismic survey 010001Z apr to 311200Z may by M/V trias towing two mile long cable in area bound by 10-30N…
    South China Sea
  8. HYDROPAC 943/112011-03-25 → 2011-05-01
    Seismic survey in progress until 30 apr M/V western spirit towing three seven mile long cables in area bound…
    South China Sea
  9. HYDROPAC 910/112011-03-23 → 2011-04-20
    Seismic survey in progress until 200001Z apr by M/V binh minh II towing 8000 meter long cable in area bound…
    South China Sea
  10. HYDROPAC 2477/102010-11-17 → 2010-11-30
    Seismic survey in progress until 29 nov by M/V veritas towing 6000 meter long cable in area bound by…
    South China Sea
  11. HYDROPAC 2469/102010-11-16 → 2010-12-01
    Seismic survey in progress until 30 nov by vessel towing six 6000 meter long cables in area bound by…
    South China Sea
  12. HYDROPAC 2227/102010-10-25 → 2010-12-01
    Seismic survey in progress until 30 nov by M/V ramform sterling in area bound by 07-19-02N 103-19-32E,…
    Gulf of Thailand
  13. HYDROPAC 2096/102010-10-10 → 2010-10-27
    Cable operations 14 thru 26 oct, alternate 27 oct thru 08 nov by cableship segero in area bound by 16-36.0N…
    South China Sea
  14. HYDROPAC 2027/102010-10-01 → 2010-11-01
    Seismic survey in progress until 31 oct by M/V geowave commander towing eight 6000 meter long cables in area…
    South China Sea · Gulf of Thailand
  15. HYDROPAC 1967/102010-09-26 → 2010-11-06
    Seismic survey in progress until 05 nov by M/V veritas voyager towing four 6000 meter long cables in area…
    Gulf of Thailand
  16. HYDROPAC 1965/102010-09-26 → 2010-11-16
    Seismic survey in progress until 15 nov by M/V wg cook towing 9000 meter long cables in area bound by 06-15N…
    South China Sea
  17. HYDROPAC 1954/102010-09-24 → 2010-11-02
    Seismic survey 29 sep thru 01 nov by M/V viking II in area bound by 14-37.8N 109-28.3E, 14-39.3N 109-49.9E,…
    South China Sea
  18. HYDROPAC 1931/102010-09-22 → 2010-09-28
    Seismic survey in progress until 27 sep by M/V viking II in area bounded by 09-22.2N 108-55.3E, 09-22.1N…
    South China Sea
  19. HYDROPAC 1853/102010-09-12 → 2010-10-13
    Seismic survey in progress until 12 oct by M/V ramform sterling towing 6000 meter long cable in areas bound…
    South China Sea · Gulf of Thailand
  20. HYDROPAC 1805/102010-09-06 → 2010-12-01
    Seismic survey in progress until 30 nov by M/V geowave voyager towing ten 8000 meter long cables in area…
    South China Sea
  21. HYDROPAC 1800/102010-09-06 → 2010-09-26
    Seismic survey in progress until 25 sep by M/V nordic energy towing 10000 meter long cable in area bound by…
    South China Sea
  22. HYDROPAC 1663/102010-08-17 → 2010-08-31
    Cable laying operations in progress until 30 aug in area bound by 21-20-57N 115-25-22E, 21-10-33N…
    South China Sea
  23. HYDROPAC 1525/102010-07-27 → 2010-09-06
    Seismic survey 01 aug thru 30 nov by M/V geowave voyager towing ten 8000 meter long cables in area bound by…
    South China Sea
  24. HYDROPAC 1431/102010-07-11 → 2010-09-01
    Seismic survey in progress until 31 aug by M/V veritas voyager towing four 6000 meter long cables in area…
    South China Sea
  25. HYDROPAC 1418/102010-07-09 → 2010-07-31
    Cable repair operations in progress until 30 jul by cableship asean restorer in area bound by 01-27.2N…
    Singapore Strait
  26. HYDROPAC 1383/102010-07-05 → 2010-08-07
    Seismic survey in progress until 22 sep by M/V ramform sterling towing 14 6000 meter long cables in area…
    South China Sea
  27. HYDROPAC 1289/102010-06-21 → 2010-07-09
    Seismic survey 220001Z jun to 011200Z aug by M/V zephyr I towing four mile long cable in area bound by…
    South China Sea
  28. HYDROPAC 1173/102010-06-04 → 2010-07-31
    Seismic survey in progress until 30 jul in area bound by 18-36N 107-34E, 18-20N 107-34E, 18-10N 107-42E,…
    Gulf of Tonkin
  29. HYDROPAC 1172/102010-06-04 → 2010-07-01
    Seismic survey in progress until 30 jun in area bound by 17-57.0N 109-45.0E, 17-55.0N 109-45.0E 17-55.0N…
    South China Sea
  30. HYDROPAC 1170/102010-06-04 → 2010-07-31
    Cable laying operations in progress until 30 jul vicinity of trackline joining 21-21.1N 114-43.0E, 21-22.7N…
    South China Sea
  31. HYDROPAC 1141/102010-06-02 → 2010-08-20
    Seismic survey in progress until 301600Z aug by M/V western spirit towing eight 6000 meter long cables in…
    South China Sea
  32. HYDROPAC 1134/102010-06-01 → 2010-06-02
    Seismic survey in progress until 301600Z aug by M/V western spirit towing eight 6000 meter long cables in…
    South China Sea
  33. HYDROPAC 1116/102010-05-29 → 2010-06-01
    Seismic survey 310100Z may to 011400Z jul by M/V western spirit towing eight 6000 meter long cables in area…
    South China Sea
  34. HYDROPAC 1091/102010-05-26 → 2010-05-31
    Seismic survey 271000Z to 302359Z may by M/V western spirit towing eight 6000 meter long cables in area…
    South China Sea
  35. HYDROPAC 756/102010-04-13 → 2010-04-26
    Cable repair operations 17 thru 28 apr by M/V kdd ocean link in area bound by 21-21.6N 119-51.7E, 21-11.7N…
    South China Sea
  36. HYDROPAC 626/102010-03-28 → 2010-06-28
    Seismic survey in progress until further notice by M/V pacific explorer towing eight four mile long cables…
    South China Sea
  37. HYDROPAC 562/102010-03-20 → 2010-03-26
    Cable repair operations in progress until 25 mar by cableship lodbrog vicinity 20-20N 120-15E
    South China Sea
  38. HYDROPAC 461/102010-03-10 → 2010-05-11
    Seismic survey in progress until 10 may by M/V laut timur in area bound by 12-12-13N 118-29-59E, 11-05-57N…
    South China Sea
  39. HYDROPAC 248/102010-02-08 → 2010-02-16
    Cable repair operations in progress until 15 feb by cableship lodbrog vicinity 17-18.3N 119-19.9E
    South China Sea
  40. HYDROPAC 238/102010-02-05 → 2010-03-01
    Seismic survey 08 thru 28 feb by M/V northern prince in area bound by 08-52.7N 117-06.0E, 08-58.0N…
    South China Sea
  41. HYDROPAC 230/102010-02-03 → 2010-05-01
    Seismic survey in progress until 30 apr by M/V ramform explorer in area bound by 08-45-31N 116-43-58E,…
    South China Sea
  42. HYDROPAC 227/102010-02-03 → 2010-02-08
    Cable repair operations in progress until 13 feb by cableship lodbrog vicinity 19-45.3N 121-40.3E
    Luzon Strait
  43. HYDROPAC 2379/092009-12-18 → 2010-01-15
    Seismic survey in progress until 14 jan 10 by M/V pacific explorer in area bound by 08-31.29N 116-33.58E,…
  44. HYDROPAC 2350/092009-12-15 → 2009-12-28
    Cable repair operations in progress until 11 jan 10 by cableship tycom reliance in area bound by 01-20.7N…
  45. HYDROPAC 2218/092009-11-27 → 2009-12-06
    Seismic survey in progress until 15 dec by M/V orient explorer towing four mile long cable in area bound by…
  46. HYDROPAC 2115/092009-11-16 → 2009-12-01
    Cable laying operations in progress until 30 nov vicinity of tracklines joining: a. 22-09.5N 114-31.4E,…
  47. HYDROPAC 1904/092009-10-21 → 2009-11-27
    Seismic survey in progress until 20 dec by M/V orient explorer towing four three mile long cables in area…
  48. HYDROPAC 1898/092009-10-19 → 2009-12-01
    Seismic survey in progress until 30 nov by M/V ramform explorer towing 6000 meter long cable in area bound…
  49. HYDROPAC 1832/092009-10-08 → 2009-10-19
    Seismic survey 09 oct thru 04 nov by M/V ramform explorer towing 6000 meter long cable in area bound by…
  50. HYDROPAC 1787/092009-10-03 → 2009-10-19
    Seismic survey in progress until 18 oct by M/V orient explorer towing four three mile long cables 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 China Sea — page 7 · seahazards