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 · 146 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

00
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the Indian Ocean

Archive · 403 cancelled

  1. HYDROPAC 1206/082008-06-26 → 2008-08-19
    Survey operations in progress until further notice by M/V dlv castoro otto vicinity 12-40.39S 124-32.39E
  2. HYDROPAC 1043/082008-05-31 → 2008-06-06
    Survey operations in progress until further notice by M/V pentow salvor vicinity 35-08S 022-32E
  3. HYDROPAC 950/082008-05-16 → 2008-05-19
    Underwater operations in progress until further notice by M/V markab in 14-16.0S 123-31.3E
  4. HYDROPAC 925/082008-05-13 → 2008-05-16
    Underwater operations in progress until further notice by M/V markab in 14-11.00S 123-27.24E
  5. HYDROPAC 883/082008-05-08 → 2008-05-17
    Underwater operations in progress until further notice by M/V geosounder vicinity 19-40S 119-49E
  6. HYDROPAC 796/082008-04-27 → 2008-05-10
    Underwater operations in progress until further notice by M/V markab in 13-47S 123-20E
  7. HYDROPAC 624/082008-04-03 → 2008-04-20
    Underwater operations in progress until further notice by M/V geosounder vicinity 26-12S 111-06E
  8. HYDROPAC 305/082008-02-18 → 2008-06-14
    Underwater operations in progress until further notice by M/V oms discovery towing 250 meter long hose along…
  9. HYDROPAC 265/082008-02-12 → 2008-02-17
    Underwater operations in progress until further notice by M/V markab vicinity 19-57S 115-10E
  10. HYDROPAC 1626/072007-09-23 → 2007-10-05
    Underwater operations in progress until further notice by M/V markab in 12-22S 124-19E
  11. HYDROPAC 1390/072007-08-09 → 2007-08-23
    Underwater operations in progress until further notice by M/V markab vicinity 20-00S 115-22E
  12. HYDROPAC 1161/072007-07-04 → 2007-09-30
    Underwater operations in progress until further notice by M/V pacific warlock and M/V pacific worker…
  13. HYDROPAC 1089/072007-06-23 → 2007-07-04
    Underwater operations in progress until further notice vicinity 12-17S 124-20E
  14. HYDROPAC 54/072007-01-09 → 2007-02-22
    Oceanographic operations in progress until 21 feb by M/V le suroit in areas: a. along trackline joining…
  15. HYDROPAC 2516/062006-12-22 → 2006-12-28
    Underwater operations in progress until further notice by M/V bavenit vicinity 19-59.7S 115-22.0E
  16. HYDROPAC 2505/062006-12-21 → 2006-12-27
    Underwater operations in progress until further notice by M/V bavenit vicinity 19-20S 115-22E
  17. HYDROPAC 2203/062006-11-15 → 2006-12-21
    Underwater operations in progress until further notice by M/V bavenit along trackline between 19-49.1S…
  18. HYDROPAC 1920/062006-10-04 → 2007-10-21
    Pipelaying and diving operations in progress by modu ocean bounty, dpplv lorelay and dsv cso venturer in…
  19. HYDROPAC 1296/062006-07-10 → 2006-07-16
    Survey operations in progress until further notice by M/V mermaid investigator vicinity 12-17.5S 124-19.5E
  20. HYDROPAC 716/062006-04-20 → 2006-05-21
    Underwater operations in progress until further notice by M/V geosea within 2.5 miles of 21-29.1S 113-58.9E
  21. HYDROPAC 499/062006-03-23 → 2006-04-09
    Oceanographic operations by M/V discovery: a. in progress until 01 apr in area between 16-30S 17-15S and…
  22. HYDROPAC 320/062006-02-28 → 2006-03-09
    Underwater operations 03 thru 10 mar by M/V chammarel in area bound by 20-43.0S 055-12.8E, 20-43.0S…
  23. HYDROPAC 236/062006-02-11 → 2006-02-16
    Salvage operations in progress until further notice on vessel moquini in 33-18.9S 038-31.0E
  24. HYDROPAC 2214/052005-12-25 → 2005-12-26
    Survey operations in progress until further notice by M/V markab in 19-29S 116-35E
  25. HYDROPAC 2151/052005-12-18 → 2005-12-25
    Survey operations in progress until further notice by M/V markab vicinity 19-59S 115-19E
  26. HYDROPAC 2148/052005-12-17 → 2005-12-18
    Survey operations in progress until further notice by M/V markab vicinity 19-58S 115-17E
  27. HYDROPAC 2086/052005-12-08 → 2005-12-11
    Survey operations in progress until further notice by M/V markab vicinity 20-00S 115-23E
  28. HYDROPAC 2081/052005-12-07 → 2005-12-09
    Survey operations 080400Z to 092000Z dec by M/V discovery vicinity 44-30S 050-00E
  29. HYDROPAC 2076/052005-12-07 → 2005-12-08
    Survey operations in progress until further notice by M/V markab vicinity 19-30S 116-36E
  30. HYDROPAC 2053/052005-12-06 → 2005-12-07
    Survey operations in progress until further notice by M/V markab in 20-00S 115-23E
  31. HYDROPAC 1999/052005-11-28 → 2005-12-06
    Survey operations in progress until further notice by M/V markab in 19-57S 115-16E
  32. HYDROPAC 274/052005-02-14 → 2005-03-22
    Submarine research operations 19 feb thru 03 mar and 11 thru 21 mar by M/V natsushima with submersible in…
  33. HYDROPAC 214/052005-02-02 → 2005-03-02
    Survey operations in progress until further notice by M/V southern supporter in area bound by 21-12S…
  34. HYDROPAC 15/052005-01-03 → 2005-10-27
    Underwater operations in progress until further notice in 19-16.6S 116-36.8E
  35. HYDROPAC 1925/042004-12-16 → 2005-03-02
    Underwater operations in progress until further notice by M/V GEOSEA/LAXI5 in 19-26.9S 116-29.3E
  36. HYDROPAC 826/042004-05-09 → 2004-05-19
    Underwater operations in progress until further notice by M/V markab in 20-28S 114-00E
  37. HYDROPAC 792/042004-05-02 → 2004-05-08
    Underwater operations in progress until further notice by M/V markab in 21-28S 114-00E
  38. HYDROPAC 1958/032003-11-13 → 2003-11-25
    Underwater operations in progress until further notice by M/V cso venturer in area bound by 19-36S 116-04E,…
  39. HYDROPAC 1942/032003-11-09 → 2003-11-13
    Underwater operations in progress until further notice by M/V cso venturer in area bound by 19-36S 116-04E,…
  40. HYDROPAC 1928/032003-11-05 → 2003-12-06
    Underwater operations in progress until further notice by M/V rockwater II in 20-43.4S 114-59.0E
  41. HYDROPAC 1697/032003-10-01 → 2004-01-01
    Underwater operations: a. in progress until 312359Z dec in area between 09-00S 13-00S and 070-00E 073-00E
  42. HYDROPAC 1659/032003-09-26 → 2003-10-01
    Underwater operations 010001Z oct to 312359Z dec: a. in area between 09-00S 13-00S and 070-00E 073-00E
  43. HYDROPAC 513/032003-03-22 → 2003-04-05
    Underwater operations in progress until further notice by M/V rockwater 2 in 20-54.1S 114-54.1E
  44. HYDROPAC 420/032003-03-09 → 2003-03-16
    Underwater operations in progress until further notice by M/V rockwater 2 vicinity 20-54.6S 114-54.5E
  45. HYDROPAC 44/032003-01-11 → 2003-01-22
    Underwater operations in progress until further notice by M/V rockwater 2 vicinity 20-55S 114-55E
  46. HYDROPAC 1823/022002-10-02 → 2002-11-01
    Underwater operations 07 thru 31 oct by M/V yokosuka towing submersible in area bound by 07-50S 106-50E,…
  47. HYDROPAC 888/022002-05-13 → 2002-05-17
    Underwater operations in progress until further notice by M/V seahorse standard vicinity of 32-16S 115-30E
  48. HYDROPAC 759/022002-04-23 → 2002-06-20
    Underwater operations in progress until further notice by M/V shaheda vicinity 20-41.9S 115-33.8E
  49. HYDROPAC 556/022002-03-24 → 2002-07-30
    Underwater operations in progress until further notice by M/V geo explorer in area bound by 15-30S 119-30E,…
  50. HYDROPAC 541/022002-03-23 → 2002-03-27
    Underwater survey operations in progress until further notice by M/V mariner vicinity 19-30S 116-36E

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 8 · seahazards