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 2763/122012-10-01 → 2012-12-01
    Cable repair operations in progress until 30 nov by cableship cable retriever vicinity 24-10.7N 118-46.7E
    Taiwan Strait
  2. HYDROPAC 2753/122012-09-30 → 2012-11-29
    Seismic survey 02 oct thru 31 dec by M/V western spirit towing ten 7500 meter long cables in area bound by…
    South China Sea · Gulf of Thailand
  3. HYDROPAC 2681/122012-09-20 → 2012-12-16
    Seismic survey 21 sep thru 15 dec by M/V ramform explorer towing ten five mile long cables in area bound by…
    South China Sea
  4. HYDROPAC 2624/122012-09-14 → 2012-11-10
    Seismic survey in progress until further notice by M/V voyager explorer towing four 5000 meter long cables…
    South China Sea
  5. HYDROPAC 2599/122012-09-11 → 2012-10-21
    Seismic survey 13 sep thru 20 oct by M/V cgg amadeus in area bound by 09-50.1N 107-59.8E, 09-50.1N…
    South China Sea · Vietnam
  6. HYDROPAC 2500/122012-08-31 → 2012-12-01
    Seismic survey in progress until 30 nov by vessel towing six 6000 meter long cables in area bound by 17-24N…
    South China Sea · Gulf of Tonkin
  7. HYDROPAC 2176/122012-07-31 → 2012-08-27
    Seismic survey in progress until 20 sep by M/V cgg amadeus in area bound by 20-29-05N 106-57-45E, 20-29-05N…
    Gulf of Tonkin
  8. HYDROPAC 2162/122012-07-29 → 2012-08-21
    Seismic survey in progress until 20 aug by M/V viking II towing eight 7000 meter long cables in area bound…
    South China Sea
  9. HYDROPAC 2159/122012-07-29 → 2012-07-29
    Seismic survey in progress until further notice by M/V viking II in area bound by 21-21.0N 115-03.0E,…
    South China Sea
  10. HYDROPAC 2084/122012-07-22 → 2012-11-16
    Seismic survey 25 jul thru 15 nov by M/V viking vision in area bound by 15-16-02.2N 109-39-20.2E,…
    South China Sea · Vietnam
  11. HYDROPAC 2053/122012-07-19 → 2012-08-21
    Seismic survey 20 jul thru 20 aug by M/V pacific finder towing four 4500 meter long cables in area bound by…
    South China Sea · Gulf of Thailand
  12. HYDROPAC 2029/122012-07-17 → 2012-09-11
    Seismic survey 18 jul thru 19 sep by M/V western spirit towing eight 8000 meter long cables in area bound by…
    South China Sea
  13. HYDROPAC 2002/122012-07-15 → 2012-10-01
    Cable repair operations 20 jul thru 30 sep by cableship durable and cableship lodbrog in area bound by…
    South China Sea · Taiwan-south Coast
  14. HYDROPAC 1972/122012-07-12 → 2012-10-01
    Cable repair operations in progress until 30 sep by cableship lodbrog and cableship durable in areas bound…
    South China Sea · Taiwan-south Coast
  15. HYDROPAC 1893/122012-07-04 → 2012-09-21
    Seismic survey in progress until 20 sep by vessel towing 12 6000 meter long cables in area bound by…
    South China Sea
  16. HYDROPAC 1851/122012-06-29 → 2012-07-26
    Seismic survey in progress until 25 jul by M/V viking II towing eight 7000 meter long cables in area bound…
    South China Sea · Vietnam
  17. HYDROPAC 1792/122012-06-25 → 2012-07-15
    Seismic survey 26 jun thru 14 jul by M/V ramform sterling towing 3.5 mile long cable in area bound by…
    South China Sea
  18. HYDROPAC 1780/122012-06-24 → 2012-08-25
    Cable repair operations in progress until 24 aug by cableships cable retriever and asean restorer in areas…
    Western North Pacific · Taiwan-south Coast
  19. HYDROPAC 1776/122012-06-24 → 2012-06-24
    Cable repair operations in progress until 24 aug by cableships cable retriever and asean restorer in areas…
    Western North Pacific · Taiwan-south Coast
  20. HYDROPAC 1720/122012-06-18 → 2012-06-25
    Seismic survey in progress until 05 jul by M/V ramform sterling towing 3.5 mile long cable in area bound by…
    South China Sea
  21. HYDROPAC 1653/122012-06-12 → 2012-06-29
    Seismic survey in progress until 05 jul by M/V viking II towing eight 7000 meter long cables in area bound…
    South China Sea
  22. HYDROPAC 1643/122012-06-12 → 2012-06-12
    Seismic survey in progress until further notice by M/V viking II towing eight 7000 meter long cables in area…
    South China Sea
  23. HYDROPAC 1578/122012-06-06 → 2012-10-01
    Seismic survey in progress until 30 sep by vessel towing six 6000 meter long cables in area bound by 18-00N…
    South China Sea · Gulf of Tonkin
  24. HYDROPAC 1533/122012-06-01 → 2012-07-02
    Seismic survey in progress until 01 jul by M/V western spirit towing eight 10000 meter long cables in area…
    South China Sea
  25. HYDROPAC 1502/122012-05-30 → 2012-07-04
    Seismic survey in progress until 20 sep by vessel towing 12 6000 meter long cables in area bound by…
    South China Sea
  26. HYDROPAC 1501/122012-05-30 → 2012-06-16
    Seismic survey in progress until 15 jun by vessel towing three 5000 meter long cables in area bound by…
    South China Sea
  27. HYDROPAC 1495/122012-05-29 → 2012-07-16
    Seismic survey 30 may thru 15 jul by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
    South China Sea
  28. HYDROPAC 1419/122012-05-20 → 2012-06-12
    Seismic survey 21 may thru 20 jun by M/V viking II towing five mile long cable in area bound by 13-45.4N…
    South China Sea
  29. HYDROPAC 1272/122012-05-05 → 2012-05-20
    Seismic survey in progress until 25 may by M/V viking II towing six mile long cable in area bound by…
    South China Sea
  30. HYDROPAC 914/122012-03-30 → 2012-06-16
    Seismic survey in progress until 15 jun by M/V western patriot towing eight 7000 meter long cables in area…
    South China Sea
  31. HYDROPAC 788/122012-03-18 → 2012-04-05
    Seismic survey in progress until 20 apr by M/V viking II towing six mile long cable in area bound by…
    South China Sea
  32. HYDROPAC 399/122012-02-13 → 2012-02-29
    Seismic survey in progress until 28 feb by M/V western spirit towing six four mile long cables in area bound…
    South China Sea
  33. HYDROPAC 3433/112011-12-09 → 2012-01-08
    Seismic survey 10 dec thru 07 jan 12 by M/V western spirit towing six 4000 meter long cables in area bound…
    South China Sea
  34. HYDROPAC 3335/112011-11-29 → 2011-12-11
    Seismic survey 30 nov thru 10 dec by M/V nordic energy towing 7000 meter long cable in area bound by 11-20N…
    South China Sea
  35. HYDROPAC 3145/112011-11-08 → 2012-01-29
    Seismic survey in progress until 28 jan 12 by M/V pacific finder, M/V trb elnusa finder and M/V china…
    South China Sea
  36. HYDROPAC 2933/112011-10-18 → 2011-12-19
    Seismic survey in progress until 18 dec by M/V binhai 512 in area bound by 12-05-29N 119-17-17E, 12-02-59N…
    South China Sea
  37. HYDROPAC 2851/112011-10-11 → 2011-11-08
    Seismic survey in progress until 15 jan 12 by M/V pacific finder, trb elnusa finder and M/V seismic…
    South China Sea
  38. HYDROPAC 2750/112011-09-30 → 2011-10-16
    Seismic survey in progress until 15 oct by vessel towing 12 6000 meter long cables in area bound by 18-00N…
    South China Sea
  39. HYDROPAC 2727/112011-09-28 → 2011-10-09
    Seismic survey in progress until O8 oct by M/V cgg amadeus towing six 7000 meter long cables in area bound…
    South China Sea · Vietnam-south Coast
  40. HYDROPAC 2573/112011-09-13 → 2011-10-03
    Seismic survey in progress until 02 oct by M/V voyager explorer towing two three mile long cables in area…
    South China Sea
  41. HYDROPAC 2556/112011-09-11 → 2011-09-28
    Seismic survey 12 thru 30 sep by M/V cgg amadeus towing eight 7000 meter long cables in area bound by…
    South China Sea · Vietnam-south Coast
  42. HYDROPAC 2445/112011-08-30 → 2011-10-11
    South china sea 1. seismic survey 31 aug thru 15 oct by M/V pacific finder towing 8100 meter long cable in…
  43. HYDROPAC 2422/112011-08-27 → 2011-10-31
    Seismic survey 28 aug thru 30 oct by M/V geowave voyager towing 3.5 mile long cables in area bound by…
    South China Sea
  44. HYDROPAC 2410/112011-08-26 → 2011-09-11
    Seismic survey 28 aug thru 20 sep by M/V cgg amadeus towing eight 7000 meter long cables in area bound by…
    South China Sea
  45. HYDROPAC 2393/112011-08-25 → 2011-08-26
    Seismic survey 28 aug thru 20 sep by M/V cgg amadeus towing eight 7000 meter long cables in area bound by…
    South China Sea
  46. HYDROPAC 2389/112011-08-25 → 2011-10-26
    Seismic survey in progress until 25 oct by vessel in area bound by 21-45N 117-20E, 22-15N 118-20E, 21-30N…
    South China Sea · Taiwan Strait
  47. HYDROPAC 2312/112011-08-17 → 2011-09-11
    Seismic survey in progress until 10 sep by vessel towing six 6000 meter long cables in area bound by 20-07N…
    Western North Pacific · South China Sea
  48. HYDROPAC 2151/112011-08-01 → 2011-12-16
    Seismic survey in progress until 20 dec by M/V geo atlantic towing ten 7000 meter long cables in area bound…
    South China Sea
  49. HYDROPAC 1956/112011-07-07 → 2011-08-25
    Seismic survey in progress until 30 aug by M/V cgg amadeus towing eight 6000 meter long cables in area bound…
    South China Sea
  50. HYDROPAC 1873/112011-06-28 → 2011-07-14
    Seismic survey in progress until 02 sep by M/V pacific explorer towing 6000 meter long cable in area bound…
    South China Sea

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 6 · seahazards