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 1562/152015-05-12 → 2015-06-01
    Cable repair operations in progress until 31 may by cableship asean explorer in area bound by 05-48.8N…
    South China Sea
  2. HYDROPAC 1440/152015-04-29 → 2015-05-31
    Cable operations 02 thru 30 may by cableship cable retriever along trackline joining 09-32.57N 108-35.00E,…
    South China Sea
  3. HYDROPAC 1414/152015-04-28 → 2015-05-16
    Pipeline operations 30 apr thru 15 may in area bound by 10-01-03N 107-58-40E, 09-59-05N 108-01-20E,…
    South China Sea · Vietnam
  4. HYDROPAC 1341/152015-04-22 → 2015-05-26
    Seismic survey 24 apr thru 25 may by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
    South China Sea · Vietnam
  5. HYDROPAC 1265/152015-04-15 → 2015-04-22
    Seismic survey in progress until 21 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound…
    South China Sea · Vietnam
  6. HYDROPAC 906/152015-03-15 → 2015-04-15
    Seismic survey 16 mar thru 16 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
    South China Sea · Vietnam
  7. HYDROPAC 687/152015-02-28 → 2015-03-08
    Cable operations 02 thru 08 mar, alternate 09 thru 13 mar by M/V kddi ocean link in area bound by 22-42.9N…
    South China Sea
  8. HYDROPAC 531/152015-02-14 → 2015-04-09
    Seismic survey in progress until 15 apr by M/V cgg alize towing 12 five mile long cables in area bound by…
    South China Sea
  9. HYDROPAC 527/152015-02-13 → 2015-02-14
    Seismic survey in progress until 15 apr by M/V cgg alize towing 12 five mile long cables in area bound by…
    South China Sea
  10. HYDROPAC 513/152015-02-13 → 2015-02-16
    Cable repair operations in progress until 15 feb by cableship asean restorer in area bound by 01-20.4N…
    Singapore Strait
  11. HYDROPAC 392/152015-02-03 → 2015-03-26
    Seismic survey in progress until 20 may by M/V pgs apollo towing 12 five mile long cables in area bound by…
    South China Sea
  12. HYDROPAC 374/152015-02-01 → 2015-02-13
    Seismic survey 02 thru 20 feb by M/V cgg alize towing 12 five mile long cables in area bound by 07-36.2N…
    South China Sea
  13. HYDROPAC 310/152015-01-28 → 2015-02-11
    Cable repair operations in progress by cableship durable until 21 feb in area bound by: a. 01-30.1N…
    South China Sea
  14. HYDROPAC 116/152015-01-12 → 2015-01-24
    Cable repair operations 13 thru 23 jan by cableship cable retriever in area bound by 09-40.93N 107-35.27E,…
    South China Sea
  15. HYDROPAC 68/152015-01-07 → 2015-01-15
    Seismic survey in progress until 20 jan by M/V wg vespucci towing ten 8100 meter long cables in area bound…
    South China Sea
  16. HYDROPAC 3831/142014-12-23 → 2015-01-11
    Seismic survey in progress until 20 jan 15 by M/V pgs apollo towing ten 8000 meter long cables in area bound…
    South China Sea
  17. HYDROPAC 3753/142014-12-15 → 2015-01-07
    Seismic survey in progress until 10 jan 15 by M/V wg vespucci towing ten 8100 meter long cables in area…
    South China Sea
  18. HYDROPAC 3607/142014-12-02 → 2014-12-22
    Cable repair operations in progress until 21 dec by cableship asean explorer in area bound by 04-01.6N…
    South China Sea
  19. HYDROPAC 3521/142014-11-25 → 2014-12-19
    Seismic survey in progress until 18 dec by M/V pgs apollo towing ten 6000 meter long cables in area bound by…
    South China Sea
  20. HYDROPAC 3439/142014-11-18 → 2015-01-20
    Seismic survey 19 nov thru 19 jan 15 by M/V cgg amadeus in area bound by 09-21-41.4N 109-05-14.4E,…
    South China Sea
  21. HYDROPAC 3330/142014-11-09 → 2014-11-26
    Cable repair operations 13 thru 20 nov, alternate 21 thru 25 nov by M/V kddi ocean link in area bound by…
    Northern South China Sea · Taiwan Strait
  22. HYDROPAC 3217/142014-10-30 → 2014-11-04
    Cable repair operations in progress until 15 dec by cableship lodbrog in area bound by 21-26-30.1N…
    South China Sea
  23. HYDROPAC 3215/142014-10-30 → 2014-11-16
    Cable operations in progress until 15 nov in area bound by 21-13.1N 119-51.7E, 21-02.2N 120-41.0E, 21-07.7N…
    South China Sea · Luzon Strait
  24. HYDROPAC 3178/142014-10-27 → 2014-12-16
    Seismic survey in progress until 15 dec by M/V wg vespucci towing ten 8100 meter long cables in area bound…
    South China Sea
  25. HYDROPAC 3156/142014-10-24 → 2014-11-18
    Seismic survey 25 oct thru 15 dec by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
    South China Sea
  26. HYDROPAC 3125/142014-10-20 → 2014-11-07
    Cable operations 21 oct thru 04 nov, alternate 05 thru 09 nov by cableship kddi ocean link in area bound by…
    South China Sea · Luzon Strait
  27. HYDROPAC 3123/142014-10-20 → 2014-11-25
    Seismic survey in progress until 20 dec by M/V pgs apollo towing ten 8000 meter long cables in area bound by…
    South China Sea
  28. HYDROPAC 3092/142014-10-17 → 2014-11-26
    Seismic survey in progress until 25 nov by vessel towing 12 6000 meter long cables in area bound by 17-51.9N…
    South China Sea
  29. HYDROPAC 2993/142014-10-08 → 2015-07-01
    Cable laying operations in progress until 30 jun 15 vicinity of tracklines between: a. 23-35.2N 119-30.3E…
    East China Sea · Taiwan Strait
  30. HYDROPAC 2767/142014-09-18 → 2014-09-24
    Seismic survey in progress until 23 sep by vessel towing twelve 6000 meter long cables in area bound by…
    South China Sea
  31. HYDROPAC 2610/142014-09-05 → 2015-01-16
    South china sea 1. seismic survey in progress until 15 jan 15 by M/V cgg alize towing 12 five mile long…
  32. HYDROPAC 2548/142014-08-30 → 2014-09-06
    Cable operations 01 thru 08 sep by cableship lodbrog within ten miles of 21-06.3N 114-21.4E
    Northern South China Sea
  33. HYDROPAC 2114/142014-07-18 → 2014-08-16
    Cable operations 22 jul thru 15 aug by cableship asean explorer in 10-17.75N 107-13.82E
    South China Sea · Vietnam
  34. HYDROPAC 2015/142014-07-09 → 2014-10-10
    Seismic survey in progress until 09 oct by M/V voyager explorer in area bound by 16-29-19.1N 119-44-57.0E,…
    South China Sea · Philippines
  35. HYDROPAC 1966/142014-07-04 → 2014-09-01
    Seismic survey in progress until 31 aug by vessel towing six 5100 meter long cables in area bound by…
    Northern South China Sea
  36. HYDROPAC 1965/142014-07-04 → 2014-09-03
    Seismic survey in progress until 02 sep by vessel towing 7050 meter long cable in area bound by 21-00.5N…
    Northern South China Sea
  37. HYDROPAC 1964/142014-07-04 → 2014-09-01
    Seismic survey in progress until 31 aug by vessel towing 12 5400 meter long cables in area bound by 21-27.9N…
    Northern South China Sea
  38. HYDROPAC 1963/142014-07-04 → 2014-10-01
    Seismic survey in progress until 30 sep by vessel towing six 6000 meter long cables in area bound by 19-36N…
    Gulf of Tonkin
  39. HYDROPAC 1962/142014-07-04 → 2014-10-31
    Seismic survey in progress until 30 oct by vessel towing 5200 meter long cables in area bound by 21-48.0N…
    Northern South China Sea
  40. HYDROPAC 1781/142014-06-20 → 2014-09-15
    Cable laying operations in progress until 14 sep by M/V miraero vicinity of trackline joining 07-10.9N…
    Gulf of Thailand · South China Sea
  41. HYDROPAC 1706/142014-06-13 → 2014-08-01
    Seismic survey in progress until 31 jul by M/V veritas viking II towing eight 8000 meter long cables in…
    Gulf of Tonkin
  42. HYDROPAC 1662/142014-06-10 → 2014-07-01
    Seismic survey in progress until 30 jun by M/V towing ten 6000 meter long cables in area bound by 19-55.4N…
    Northern South China Sea
  43. HYDROPAC 1475/142014-05-24 → 2014-09-01
    Seismic survey in progress until 31 aug by M/V binh minh 2 towing 8000 meter long cable in area bound by…
    Northern South China Sea · Taiwan-southwest Coast
  44. HYDROPAC 1463/142014-05-22 → 2014-10-11
    Seismic survey in progress until 10 oct by vessel towing 5000 meter long cable in area bound by 21-44-24N…
    Northern South China Sea
  45. HYDROPAC 1462/142014-05-22 → 2014-05-25
    Cable operations in progress until 30 jun by cableship lodbrog in area bound by 21-26-48N 116-12-03E,…
    Northern South China Sea
  46. HYDROPAC 1342/142014-05-09 → 2014-07-11
    Seismic survey 10 may thru 10 jul by M/V amadeus in area bound by 10-39.13N 108-54-21E, 10-06.12N…
    South China Sea · Vietnam
  47. HYDROPAC 1217/142014-04-28 → 2014-06-16
    Seismic survey in progress until 15 jun by vessel towing twelve 6000 meter long cables in area bound by…
    South China Sea
  48. HYDROPAC 1207/142014-04-27 → 2014-06-16
    Seismic survey 01 may thru 15 jun by M/V veritas viking II in area bound by 12-56.0N 110-04.0E, 13-12.7N…
    South China Sea · Vietnam
  49. HYDROPAC 1198/142014-04-26 → 2014-04-27
    Seismic survey 01 may thru 15 jun by M/V veritas viking II in area bound by 12-55.97N 110-03.96E, 13-12.71N…
    South China Sea · Vietnam
  50. HYDROPAC 997/142014-04-08 → 2014-05-01
    Seismic survey in progress until 30 apr by vessel towing 6000 meter long cable in area bound by 18-55.0N…
    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 4 · seahazards