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
- AUSCOAST 279/26in force2026-08-19Special 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.
- AUSCOAST 275/26in force2026-08-16Drill rig Transocean Endurance is at position 19-31.18S 116-06.65E, requesting 2.5 nautical miles clearance.
- HYDROPAC 2288/26in force2026-08-10Underwater 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
- AUSCOAST 270/26in force2026-08-10Special 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.
- AUSCOAST 267/26in force2026-08-05Drill rig JANSZ is at position 19-52.73S 114-36.50E, requesting a 2.5 nautical mile clearance.
- HYDROPAC 2203/26in force2026-08-01Underwater 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
- AUSCOAST 260/26in force2026-08-01Special purpose vessel Bhagwan Dryden is conducting underwater operations at position 20-06.96S 116-26.11E, requesting 2.5 nautical miles clearance.
- HYDROPAC 957/26in force2026-03-29Underwater 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
- AUSCOAST 120/26in force2026-03-29Special purpose vessel Safe Boreas is supporting underwater operations in a bounded area; 2.5 nautical mile clearance requested.
Longest in force
- AUSCOAST 120/26in force2026-03-29 · 145 dSpecial purpose vessel Safe Boreas is supporting underwater operations in a bounded area; 2.5 nautical mile clearance requested.
- HYDROPAC 957/26in force2026-03-29 · 145 dUnderwater 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
- AUSCOAST 260/26in force2026-08-01 · 20 dSpecial purpose vessel Bhagwan Dryden is conducting underwater operations at position 20-06.96S 116-26.11E, requesting 2.5 nautical miles clearance.
- HYDROPAC 2203/26in force2026-08-01 · 20 dUnderwater 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
- AUSCOAST 267/26in force2026-08-05 · 16 dDrill rig JANSZ is at position 19-52.73S 114-36.50E, requesting a 2.5 nautical mile clearance.
By month (all years)
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Other hazards in the Indian Ocean
Archive · 403 cancelled
- HYDROPAC 2340/202020-08-07 → 2020-08-25Survey operations in progress until further notice by M/V furgo gauss in area within seven miles of…Southwestern Indian Ocean · South Africa
- HYDROPAC 2338/202020-08-07 → 2020-08-13Survey operations 09 thru 12 aug by M/V marion dufresne in area bound by 25-35.36S 069-54.90E, 25-36.43S…Indian Ocean
- HYDROPAC 2234/202020-07-29 → 2020-07-31Survey operations in progress until further notice by M/V fugro etive in 19-50.3S 115-10.5EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1894/202020-06-26 → 2020-07-01Underwater operations in progress until further notice with submersible in area bound by 31-24S 114-30E,…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 1658/202020-06-04 → 2020-06-07Underwater operations in progress until further notice by M/V skandi singapore in 20-08.9S 115-02.4EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1410/202020-05-11 → 2020-05-12Underwater operations in progress by gliders until further notice area bound by 31-24.5S 114-50.0E, 32-05.0S…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 1180/202020-04-14 → 2020-04-23Survey operations in progress until further notice by M/V amazon conqueror towing ten 3.5 mile long cables…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1054/202020-03-31 → 2020-05-12Underwater operations in progress by gliders until furthernotice area bound by 31-27.6S 114-31.9E, 32-02.7S…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 948/202020-03-20 → 2020-04-14Survey operations in progress until further notice by M/V amazon conqueror in area bound by 21-14S 113-35E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 946/202020-03-20 → 2020-03-20Survey operations in progress until further notice by M/V amazon conqueror in area bound by 20-44S 114-21E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 798/202020-03-10 → 2020-03-20Survey operations in progress until further notice by M/V amazon conqueror in area bound by 21-14.7S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 562/202020-02-16 → 2020-02-17Survey operations in progress until further notice by M/V sonne in area bound by 54-43.7S 079-50.7E,…Southern Indian Ocean
- HYDROPAC 522/202020-02-13 → 2020-02-16Survey operations in progress until further notice by M/V sonne along trackline joining 56-49.9S 079-02.7E,…Southern Indian Ocean
- HYDROPAC 467/202020-02-10 → 2020-03-10Survey operations in progress until further notice by M/V amazon conqueror towing 4.5 mile long cable in…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 466/202020-02-10 → 2020-03-07Underwater operations in progress by M/V fugro etive in area bound by 13-47S 123-07E, 14-00S 123-07E, 14-00S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 439/202020-02-09 → 2020-02-13Survey operations in progress until further notice by M/V sonne along trackline joining 58-27.3S…Southern Indian Ocean
- HYDROPAC 438/202020-02-09 → 2020-02-10Underwater operations in progress by M/V fugro etive in area bound by 13-47S 123-07E, 14-00S 123-07E, 14-00S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 436/202020-02-09 → 2020-02-10Survey operations in progress until further notice by M/V amazon conqueror towing five mile long cables in…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 430/202020-02-08 → 2020-02-10Underwater operations in progress by M/V fugro etive in area bound by 13-47S 123-07E, 14-00S 123-07E, 14-00S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 416/202020-02-07 → 2020-02-10Survey operations in progress until further notice by M/V sonne along trackline joining 56-05.9S 083-33.0E,…Southern Indian Ocean
- HYDROPAC 378/202020-02-04 → 2020-02-07Survey operations in progress until further notice by M/V sonne along trackline joining 55-23.1S 083-19.9E,…Southern Indian Ocean
- HYDROPAC 356/202020-02-02 → 2020-02-04Survey operations in progress until further notice by M/V sonne along trackline joining 54-39.3S 083-31.8E,…Southern Indian Ocean
- HYDROPAC 299/202020-01-26 → 2020-02-02Survey operations in progress until further notice by M/V sonne in area bound by 53-00S 079-00E, 55-30S…Southern Indian Ocean · Australia-northwest Coast
- HYDROPAC 244/202020-01-22 → 2020-02-10Survey operations in progress until further notice by M/V polar duchess in area bound by 12-36S 123-20E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 200/202020-01-17 → 2020-02-20Survey operations in progress until further notice by M/V polarcus asima towing five mile long cable in area…Eastern Indian Ocean · Timor Sea · Australia-northwest Coast
- HYDROPAC 184/202020-01-17 → 2020-02-03Underwater operations in progress by M/V fugro etive in area bound by 13-47.5S 123-07.0E, 14-00.0S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 20/202020-01-02 → 2020-02-06Survey operations in progress until 05 feb by M/V marion dufresne in area bound by 26-00S 052-00E, 47-00S…Indian Ocean
- HYDROPAC 4310/192019-12-31 → 2020-01-10Survey operations in progress until further notice by M/V polar duchess in area bound by 12-39.0S 123-20.0E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 4299/192019-12-31 → 2019-12-31Survey operations in progress until further notice by M/V polar duchess area bound by 12-39.0S 123-20.0E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 4239/192019-12-24 → 2020-02-06Survey operations in progress until further notice by M/V amazon conqueror in area bound by 19-34.2S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 4127/192019-12-13 → 2020-05-01Survey operations in progress until 30 apr by M/V pgs apollo towing eight three mile long cables in area…Southwestern Indian Ocean · South Africa
- HYDROPAC 4027/192019-12-05 → 2020-03-17Survey operations in progress until 31 may by M/V sw cook in area bound by 34-23S 021-30E, 34-23S 025-30E,…Southwestern Indian Ocean · South Africa
- HYDROPAC 3984/192019-12-02 → 2019-12-24Survey operations in progress until 23 dec by M/V ins darshak in areas bound by: a. 20-33.20S 057-32.50E,…Western Indian Ocean · Mauritius
- HYDROPAC 3978/192019-12-02 → 2019-12-20Underwater operations in progress until further notice by M/V fugro etive in area bound by 13-47.5S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3957/192019-12-01 → 2019-12-31Survey operations in progress until further notice by M/V polar duchess towing five mile long cable in area…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3879/192019-11-26 → 2019-12-01Survey operations in progress until further notice by M/V polar duchess along trackline joining 16-30S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3607/192019-10-31 → 2019-11-05Survey operations in progress until 04 nov by M/V marion dufresne in area bound by 20-18S 055-32E, 20-42S…Western Indian Ocean · Reunion
- HYDROPAC 3483/192019-10-21 → 2019-11-09Underwater operations in progress until further notice by M/V investigator in area bound by 13-05S 120-28E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3096/192019-09-21 → 2019-10-23Underwater operations in progress until further notice by M/V outer limit in 19-10S 116-05EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1971/192019-06-17 → 2019-08-13Scientific mooring, least depth 30 meters, established in 31-39.5S 114-11.0ESoutheastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 1253/192019-04-14 → 2019-05-05Underwater operations in progress until further notice by M/V fugro etive in 21-31.0S 113-51.3EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 726/192019-03-04 → 2019-03-08Survey operations in progress until 15 apr by M/V polarcus asima in area bound by 35-27.7S 022-17.3E,…Southwestern Indian Ocean · South Africa
- HYDROPAC 676/192019-02-28 → 2019-03-07Survey operations 01 thru 06 mar by M/V marion dufresne in area bound by 46-01S 044-20E, 46-12S 049-09E,…Southwestern Indian Ocean · Iles Crozet
- HYDROPAC 541/192019-02-15 → 2019-03-01Underwater operations in progress until further notice by M/V fugro etive in 13-49.47S 123-12.80EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 145/192019-01-14 → 2019-02-14Survey operations in progress until 13 feb by M/V hakuho maru towing 1500 meter long cable in areas: a.…Southern Indian Ocean · Antarctica
- HYDROPAC 43/192019-01-04 → 2019-02-15Survey operations 07 jan thru 14 feb by M/V marion dufresne in area bound by 20-10S 050-10E, 50-50S 050-10E,…Southern Indian Ocean · Madagascar
- HYDROPAC 4623/182018-12-31 → 2019-01-27Underwater operations in progress until further notice by M/V skandi singapore in 21-23.21S 114-04.60EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 4384/182018-12-08 → 2018-12-09Underwater operations in progress until further notice by M/V jetwave maddison in area within two miles of…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3998/182018-11-05 → 2018-12-04Survey operations 06 nov thru 03 dec by M/V hakuhomaru along trackline between 16-30N 088-00E, 15-00N…Indian Ocean · Bay of Bengal
- HYDROPAC 3769/182018-10-16 → 2018-10-19Underwater operations in progress until further notice by M/V ile de brehat along trackline between 38-30S…Southeastern Indian Ocean · Australia-south 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.