Survey operations in the Indian Ocean

Hydrographic and scientific survey vessels, often towing long arrays.

in force
9
last 12 months
26
vs previous 12 (19)
+37%
since 2000
412

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 · 9

  1. AUSCOAST 279/26in force2026-08-19
    Special purpose vessel Fugro Kwilena is conducting underwater operations in area from 19-47.68S 115-12.91E to 19-57.87S 115-25.37E, requesting 1.5 nautical mile clearance.
  2. AUSCOAST 275/26in force2026-08-16
    Drill rig Transocean Endurance is at position 19-31.18S 116-06.65E, requesting 2.5 nautical miles clearance.
  3. HYDROPAC 2288/26in force2026-08-10
    Underwater operations are in progress by vessel VE Constructor in an area off Australia, bounded by 19-12S to 19-21S and 116-30E to 116-50E, requesting one mile berth.
    Indian Ocean · Australia
  4. AUSCOAST 270/26in force2026-08-10
    Special purpose vessel VE Constructor conducting underwater operations in area bounded by 19-12S to 19-21S and 116-30E to 116-50E, 0.5 nautical miles clearance requested.
  5. AUSCOAST 267/26in force2026-08-05
    Drill rig JANSZ is at position 19-52.73S 114-36.50E, requesting a 2.5 nautical mile clearance.
  6. HYDROPAC 2203/26in force2026-08-01
    Underwater operations by the vessel Bhagwan Dryden at 20-06.96S 116-26.11E in the Eastern Indian Ocean, Australia, request a three-mile berth.
    Eastern Indian Ocean · Australia
  7. AUSCOAST 260/26in force2026-08-01
    Special purpose vessel Bhagwan Dryden is conducting underwater operations at position 20-06.96S 116-26.11E, requesting 2.5 nautical miles clearance.
  8. HYDROPAC 957/26in force2026-03-29
    Underwater operations are in progress by vessel Safe Boreas in the eastern Indian Ocean off Australia, within 12-54.90S 124-25.10E to 12-59.90S 124-35.10E.
    Eastern Indian Ocean · Australia
  9. AUSCOAST 120/26in force2026-03-29
    Special purpose vessel Safe Boreas is supporting underwater operations in a bounded area; 2.5 nautical mile clearance requested.

Longest in force

  1. AUSCOAST 120/26in force2026-03-29 · 145 d
    Special purpose vessel Safe Boreas is supporting underwater operations in a bounded area; 2.5 nautical mile clearance requested.
  2. HYDROPAC 957/26in force2026-03-29 · 145 d
    Underwater operations are in progress by vessel Safe Boreas in the eastern Indian Ocean off Australia, within 12-54.90S 124-25.10E to 12-59.90S 124-35.10E.
    Eastern Indian Ocean · Australia
  3. AUSCOAST 260/26in force2026-08-01 · 20 d
    Special purpose vessel Bhagwan Dryden is conducting underwater operations at position 20-06.96S 116-26.11E, requesting 2.5 nautical miles clearance.
  4. HYDROPAC 2203/26in force2026-08-01 · 20 d
    Underwater operations by the vessel Bhagwan Dryden at 20-06.96S 116-26.11E in the Eastern Indian Ocean, Australia, request a three-mile berth.
    Eastern Indian Ocean · Australia
  5. AUSCOAST 267/26in force2026-08-05 · 16 d
    Drill rig JANSZ is at position 19-52.73S 114-36.50E, requesting a 2.5 nautical mile clearance.

By year

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05
06
07
08
09
10
11
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14
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18
19
20
21
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26

By month (all years)

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Other hazards in the Indian Ocean

Archive · 403 cancelled

  1. HYDROPAC 3708/182018-10-11 → 2018-10-16
    Underwater operations in progress until further notice by M/V ile de brehat along trackline between 37-10S…
    Southeastern Indian Ocean
  2. HYDROPAC 3599/182018-10-01 → 2018-10-05
    Underwater operations in progress until further notice by M/V ile de brehat in 31-53.7S 115-41.9E
    Southeastern Indian Ocean · Australia-southwest Coast
  3. HYDROPAC 3356/182018-09-15 → 2018-09-20
    Survey operations in progress until further notice by M/V bgp explorer in 18-03.40S 121-40.04E
    Eastern Indian Ocean · Australia-northwest Coast
  4. HYDROPAC 2808/182018-08-02 → 2018-08-06
    Survey operations 04 and 05 aug by M/V marion dufresne in 024-12S 063-01E
    Western Indian Ocean
  5. HYDROPAC 2716/182018-07-25 → 2018-07-30
    Underwater operations in progress until further notice by M/V siem amethyst in 19-15.6S 114-29.9E
    Eastern Indian Ocean · Australia-northwest Coast
  6. HYDROPAC 1849/182018-05-14 → 2018-05-17
    Survey operations in progress until further notice by M/V sanco atlantic towing five mile long cable in are…
    Southwestern Indian Ocean · South Africa
  7. HYDROPAC 1680/182018-04-30 → 2018-05-08
    Survey operations in progress until 12 may by M/V sanco atlantic and M/V fellowship towing five mile long…
    Southwestern Indian Ocean · South Africa
  8. HYDROPAC 1629/182018-04-26 → 2018-04-30
    Survey operations in progress until 12 may by M/V sanco atlantic towing five mile long cable in area bound…
    Southwestern Indian Ocean · South Africa
  9. HYDROPAC 1527/182018-04-19 → 2018-04-26
    Survey operations in progress until 12 may by M/V sanco atlantic towing five mile long cable in area bound…
    Southwestern Indian Ocean · South Africa
  10. HYDROPAC 952/182018-03-10 → 2018-05-14
    Underwater operations in progress until further notice by M/V fugro voyager in 12-57.9S 124-26.5E
    Eastern Indian Ocean · Australia-northwest Coast
  11. HYDROPAC 926/182018-03-09 → 2018-04-17
    Survey operations in progress until 16 apr by M/V sanco atlantic towing five mile long cable in area bound…
    Southwestern Indian Ocean · South Africa
  12. HYDROPAC 777/182018-02-27 → 2018-05-24
    Underwater operations in progress until further notice by M/V maersk mariner in area within two miles of…
    Eastern Indian Ocean · Australia-northwest Coast
  13. HYDROPAC 693/182018-02-20 → 2018-03-09
    Survey operations in progress until 16 apr by M/V sanco atlantic towing five mile long cable in area bound…
    Southwestern Indian Ocean · South Africa
  14. HYDROPAC 226/182018-01-17 → 2018-02-20
    Survey operations in progress until 16 apr by M/V sanco atlantic towing five mile long cable in area bound…
    Southwestern Indian Ocean · South Africa
  15. HYDROPAC 4475/172017-12-19 → 2018-02-02
    Survey operations in progress until 01 feb 18 by M/V egina in area bound by 20-46S 055-20E, 20-41S 055-13E,…
    Western Indian Ocean · Reunion
  16. HYDROPAC 4143/172017-11-28 → 2017-11-29
    Underwater operations in progress until further notice with submersible along trackline between 14-11S…
    Eastern Indian Ocean · Australia-northwest Coast
  17. HYDROPAC 4029/172017-11-19 → 2017-11-24
    Underwater operations in progress until further notice by M/V joides resolution in 33-47.61S 112-29.13E
    Southeastern Indian Ocean · Australia-southwest Coast
  18. HYDROPAC 3933/172017-11-13 → 2017-11-19
    Underwater operations in progress until further notice by M/V joides resolution in 34-20.92S 112-47.96E
    Southeastern Indian Ocean · Australia-southwest Coast
  19. HYDROPAC 3876/172017-11-09 → 2017-11-13
    Underwater operations in progress until further notice by vessel jodies resolution in 33-16.19S 114-19.37E
    Southeastern Indian Ocean · Australia-southwest Coast
  20. HYDROPAC 3754/172017-11-02 → 2017-11-15
    Underwater operations in progress until further notice by M/V geo resolution along trackline between…
    Southeastern Indian Ocean · Australia-southwest Coast
  21. HYDROPAC 3717/172017-10-30 → 2017-11-07
    Underwater operations in progress until further notice by M/V fugro etive in area within two miles of…
    Eastern Indian Ocean · Australia-northwest Coast
  22. HYDROPAC 3562/172017-10-18 → 2017-11-13
    Underwater operations in progress until further notice by M/V joides resolution in 33-47.60S 112-29.13E
    Southeastern Indian Ocean · Australia-southwest Coast
  23. HYDROPAC 3376/172017-10-03 → 2017-10-10
    Underwater operations in progress until further notice by M/V far sirius in 19-45.5S 115-47.1E
    Eastern Indian Ocean · Australia-northwest Coast
  24. HYDROPAC 2495/172017-07-21 → 2017-11-24
    Underwater operations in progress until further notice by M/V deep orient in 13-47.20S 123-19.05E
    Eastern Indian Ocean
  25. HYDROPAC 2405/172017-07-12 → 2017-08-18
    Survey operations in progress until 181830Z aug by M/V sonne towing 3300 meter long cable in area bound by…
    Indian Ocean · Sri Lanka
  26. HYDROPAC 1734/172017-05-18 → 2017-05-23
    Underwater operations in progress until further notice by M/V skandi singapore in 19-49.45S 115-30.30E
    Eastern Indian Ocean · Australia-northwest Coast
  27. HYDROPAC 1706/172017-05-15 → 2017-06-04
    Underwater operations in progress until further notice by M/V southern ocean in 21-26.95S 113-49.48E
    Eastern Indian Ocean · Australia-northwest Coast
  28. HYDROPAC 1257/172017-04-09 → 2017-07-04
    Survey operations in progress until further notice by M/V fugro equator towing 900 meter long cable: a.…
    Eastern Indian Ocean · Australia-northwest Coast
  29. HYDROPAC 1032/172017-03-24 → 2017-04-24
    Survey operations in progress until 241000Z apr 17 by M/V fugro discovery in areas: a. bound by 04-20.0S…
    Western Indian Ocean · Kenya
  30. HYDROPAC 3810/162016-12-08 → 2017-01-06
    Underwater operations in progress until further notice by M/V bhagwan dryden in vicinity 19-55.46S 115-23.02E
    Eastern Indian Ocean · Australia-northwest Coast
  31. HYDROPAC 3705/162016-11-30 → 2017-01-06
    Underwater operations in progress until further notice by M/V deep orient in 19-54.18S 115-16.67E
    Eastern Indian Ocean · Australia-northwest Coast
  32. HYDROPAC 3692/162016-11-30 → 2016-11-30
    Australia-northwest coast DNC 04
    Eastern Indian Ocean
  33. HYDROPAC 3624/162016-11-24 → 2018-05-15
    Oceanographic buoy established in 03-55.63N 080-28.23E
    Northern Indian Ocean
  34. HYDROPAC 3272/162016-10-26 → 2016-10-30
    Underwater operations in progress until further notice by M/V joides resolution in 13-05.23S 121-48.24E
    Eastern Indian Ocean
  35. HYDROPAC 3160/162016-10-16 → 2016-10-25
    Underwater operations in progress until further notice by M/V joides resolution in 15-03.32S 120-26.10E
    Eastern Indian Ocean
  36. HYDROPAC 2876/162016-09-21 → 2016-11-28
    Underwater operations in progress until further notice by M/V vessel deep orient in 13-47.18S 123-19.05E
    Eastern Indian Ocean · Australia-northwest Coast
  37. HYDROPAC 1874/162016-06-23 → 2016-06-29
    Australia-northwest coast DNC 04
    Eastern Indian Ocean
  38. HYDROPAC 1695/162016-06-07 → 2016-06-21
    Australia-northwest coast DNC 04
    Eastern Indian Ocean
  39. HYDROPAC 884/162016-03-27 → 2016-08-21
    Underwater operations in progress until further notice by M/V southern ocean in 21-32.5S 114-07.0E
    Eastern Indian Ocean · Australia-northwest Coast
  40. HYDROPAC 253/162016-01-29 → 2016-05-09
    Survey operations in progress until further notice by M/V hakuho maru along tracklines between: a. 43-42S…
    Southwestern Indian Ocean
  41. HYDROPAC 26/162016-01-05 → 2017-01-28
    Scientific mooring, at depth 20 meters, established in 19-55.49S 115-23.81E
    Eastern Indian Ocean · Australia-northwest Coast
  42. HYDROPAC 3901/152015-11-27 → 2015-11-28
    Underwater operations in progress until further notice by M/V far sirius in 19-40.78S 117-21.08E
    Eastern Indian Ocean · Australia-northwest Coast
  43. HYDROPAC 3340/152015-10-10 → 2015-10-18
    Underwater operations in progress until further notice by M/V nor australis in 19-59.3S 115-18.5E
    Eastern Indian Ocean · Australia-northwest Coast
  44. HYDROPAC 3245/152015-10-01 → 2015-10-06
    Underwater operations in progress until further notice by M/V southern ocean in 19-54.8S 115-08.0E
    Eastern Indian Ocean · Australia-northwest Coast
  45. HYDROPAC 3120/152015-09-18 → 2016-02-28
    Underwater operations in progress until further notice by M/V joides resolution in 18-03.9S 118-37.8E
    Eastern Indian Ocean · Australia-northwest Coast
  46. HYDROPAC 3009/152015-09-12 → 2015-09-18
    Underwater operations in progress until further notice by M/V joides resolution in 18-57.9S 117-37.4E
    Eastern Indian Ocean · Australia-northwest Coast
  47. HYDROPAC 2870/152015-08-30 → 2015-09-11
    Underwater operations in progress until further notice by M/V joides resolution in 19-49.3S 115-42.6E
    Eastern Indian Ocean · Australia-northwest Coast
  48. HYDROPAC 2725/152015-08-17 → 2015-08-30
    Underwater operations in progress until further notice by M/V joides resolution vicinity 20-12.8S 115-04.0E
    Eastern Indian Ocean · Australia-northwest Coast
  49. HYDROPAC 2655/152015-08-13 → 2015-08-15
    Underwater operations in progress until further notice by M/V joides resolution vicinity 27-22.4S 112-55.5E
    Eastern Indian Ocean · Australia-west Coast
  50. HYDROPAC 2565/152015-08-05 → 2015-08-12
    Underwater operations in progress until further notice by M/V joides resolution vicinity 28-40.2S 113-33.6E
    Eastern Indian Ocean · Australia-west Coast

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.

Survey operations in the Indian Ocean — page 6 · seahazards