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 1401/232023-04-28 → 2023-05-01Underwater operations in progress until further notice by M/V peter faber in area bound by 19-32.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1349/232023-04-24 → 2023-05-30Underwater operations in progress until further notice by M/V fugro kwilena in area bound by 19-26.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1342/232023-04-23 → 2023-04-28Underwater operations in progress until further notice by M/V peter faber along trackline joining 19-56.10S…Eastern Indian Ocean · Australia
- HYDROPAC 1200/232023-04-12 → 2023-04-29Underwater operations in progress until further notice by M/V normand ranger in 21-28.90S 114-00.50EEastern Indian Ocean · Australia
- HYDROPAC 1118/232023-04-03 → 2023-07-03Underwater operations in progress until further notice by M/V skandi hercules in area bound by 21-27.50S…Eastern Indian Ocean · Australia
- HYDROPAC 1076/232023-03-30 → 2023-04-27Underwater operations in progress until further notice by M/V pride in 20-34.60S 114-46.60EEastern Indian Ocean · Australia
- HYDROPAC 1010/232023-03-24 → 2023-04-29Survey operations in progress until further notice by M/V investigator in area bound by 41-50.00S…Great Australian Bight · Southeastern Indian Ocean · Tasmania
- HYDROPAC 1009/232023-03-24 → 2023-03-24Underwater operations in progress until further notice in area bound by 44-50.00S 141-50.00E, 44-50.00S…Southeastern Indian Ocean · Tasmania
- HYDROPAC 924/232023-03-20 → 2023-05-22Underwater operations in progress until further notice by three underwater gliders in area bound by…Eastern Indian Ocean · Australia
- HYDROPAC 903/232023-03-18 → 2023-03-19Survey operations 190200Z to 191300Z mar by M/V botafogo in vicinity 19-40.30S 054-10.55EWestern Indian Ocean · Reunion
- HYDROPAC 783/232023-03-08 → 2023-03-15Survey operations 11 thru 14 mar by M/V marion dufresne in: a. 20-11.00S 054-05.00EWestern Indian Ocean · Reunion
- HYDROPAC 633/232023-02-24 → 2023-03-05Underwater operations 25 feb thru 04 mar by M/V hakuhomaru in vicinity: a. 00-00.06N 090-14.96EIndian Ocean
- HYDROPAC 630/232023-02-24 → 2026-08-14Underwater operations are in progress off Mauritius until further notice; a two-mile berth is requested.Western Indian Ocean · Mauritius
- HYDROPAC 488/232023-02-13 → 2023-03-25Survey operations in progress until further notice by M/V skandi hercules in area bound by 19-09.92S…Eastern Indian Ocean · Australia
- HYDROPAC 255/232023-01-23 → 2023-03-01Survey operations 24 jan thru 28 feb by M/V marion dufresne in area bound by 28-00.00S 054-02.00E, 29-00.00S…Indian Ocean · Iles de Kerguelen
- HYDROPAC 187/232023-01-16 → 2023-01-29Underwater operations in progress until further notice by M/V sapura constructor along trackline joining…Eastern Indian Ocean · Australia
- HYDROPAC 3672/222022-12-24 → 2023-03-24Survey operations in progress until further notice by M/V pxgeo 2 towing 12 9000 meter long cables in area…Eastern Indian Ocean · Australia
- HYDROPAC 3488/222022-12-07 → 2022-12-13Underwater operations in progress until further notice by M/V lay vessel 108 in area bound by 20-54.00S…Eastern Indian Ocean · Australia
- HYDROPAC 3284/222022-11-18 → 2023-04-01Two underwater gliders operating until further notice in area bound by 11-38.00S 118-24.00E, 11-38.00S…Eastern Indian Ocean
- HYDROPAC 3050/222022-10-30 → 2022-11-02Underwater operations in progress until further notice by M/V fugro maali in area bound by 21-31.20S…Eastern Indian Ocean · Australia
- HYDROPAC 3003/222022-10-26 → 2022-11-13Underwater operations in progress until further notice by M/V sapura constructor along trackline joining…Eastern Indian Ocean · Australia
- HYDROPAC 2578/222022-09-17 → 2022-10-29Underwater operations in progress until further notice by M/V fugro maali in area bound by 19-57.50S…Eastern Indian Ocean · Australia
- HYDROPAC 2535/222022-09-13 → 2022-09-15Underwater operations in progress until further notice by M/V fugro etive in: a. 20-28.98S 115-42.73EEastern Indian Ocean · Australia
- HYDROPAC 2342/222022-08-26 → 2022-10-03Underwater operations in progress until further notice by submersible in area bound by 10-06.00S 105-12.00E,…Eastern Indian Ocean · Christmas Island
- HYDROPAC 2199/222022-08-11 → 2022-10-29Underwater operations in progress until further notice by M/V pride in area bound by 19-50.55S 114-30.29E,…Eastern Indian Ocean · Australia
- HYDROPAC 1842/222022-07-07 → 2022-07-17Underwater operations in progress until further notice by M/V fugro maali in area bound by 19-55.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1841/222022-07-07 → 2022-07-07Underwater operations in progress until further notice by M/V fugro maali in area bound by 19-55.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1766/222022-06-27 → 2022-07-081.SURVEY operations in progress until 07 jul by M/V marion dufresne in area bound by 11-18.00S 045-36.00E,…Western Indian Ocean · Madagascar
- HYDROPAC 1628/222022-06-13 → 2022-06-13Survey operations in progress until 19 jun in areas bound by: a. 24-56.47S 053-36.51E, 24-56.58S 053-29.97E,…Persian Gulf · Iran · U.A.E
- HYDROPAC 1606/222022-06-10 → 2022-06-18Survey operations 12 thru 17 jun by M/V marion dufresne in vicinity of trackline joining 31-34.03S…Indian Ocean
- HYDROPAC 1461/222022-05-25 → 2022-05-25Survey operations by M/V offshore runner: a. 26 thru 28 may in area bound by 20-57.97S 072-43.98E, 21-05.64S…Arabian Sea · Gulf of Khambhat · India
- HYDROPAC 1398/222022-05-20 → 2022-09-23Underwater operations in progress until further notice by M/V fugro maali in area bound by 19-14.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1381/222022-05-19 → 2022-05-28Underwater operations in progress until further notice by M/V skandi singapore in 19-51.17S 114-30.94EEastern Indian Ocean · Australia
- HYDROPAC 1247/222022-05-07 → 2022-05-09Survey operations by M/V northern endeavor in progress until 13 may in area bound by 13-13.09S 080-24.04E,…Bay of Bengal · India
- HYDROPAC 1218/222022-05-04 → 2022-05-05Underwater operations in progress until further notice by M/V fugro etive in area bound by 19-42.60S…Eastern Indian Ocean · Australia
- HYDROPAC 1216/222022-05-04 → 2022-05-04Underwater operations in progress until further notice by M/V fugro etive in area bound by 19-42.60S…Eastern Indian Ocean · Australia
- HYDROPAC 1140/222022-04-27 → 2022-05-01Survey operations in progress until 30 apr by M/V antsiva along trackline joining 19-45.78S 054-07.53E,…Western Indian Ocean
- HYDROPAC 1047/222022-04-16 → 2023-04-01Underwater operations in progress until further notice by M/V skandi africa in area bound by 19-25S 116-28E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1002/222022-04-12 → 2022-05-12Underwater glider operating until further notice in area bound by 09-30S 097-00E, 12-00S 097-00E, 12-00S…Eastern Indian Ocean · Christmas Island
- HYDROPAC 993/222022-04-11 → 2022-05-09Survey operations in progress until further notice by M/V bgp explorer towing cable in area bound by 13-35S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 896/222022-04-04 → 2022-04-04Underwater operations in progress until further notice by M/V joides resolution in 37-01.46S 024-59.67ESouthwestern Indian Ocean
- HYDROPAC 710/222022-03-17 → 2022-03-28Underwater operations in progress until further notice by M/V joides resolution in 35-40.89S 029-39.03ESouthwestern Indian Ocean
- HYDROPAC 694/222022-03-16 → 2022-03-19Underwater operations in progress until further notice by M/V skandi africa in vicinity 19-42.4S 115-52.5EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 611/222022-03-07 → 2022-04-07Survey operations in progress until further notice by M/V bgp explorer towing cable in area bound by 13-35S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 397/222022-02-15 → 2022-02-27Survey operations in progress until further notice by M/V bgp explorer towing cable in area bound by 15-29S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 292/222022-02-03 → 2022-02-18Survey operations in progress until further notice by M/V geo coral in area bound by 18-11S 118-52E, 18-35S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 133/222022-01-16 → 2022-01-22Survey operations in progress until further notice by M/V bgp explorer towing five mile long cable in area…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 38/222022-01-05 → 2022-01-12Survey operations in progress until 11 jan by M/V marion dufresne in area bound by 20-53S 055-30E, 20-10S…Western Indian Ocean · Reunion
- HYDROPAC 3730/212021-12-25 → 2021-12-31Survey operations in progress until further notice by M/V bgp explorer towing five mile long cable in area…Eastern Indian Ocean · Austrlia-northwest Coast
- HYDROPAC 3413/212021-11-27 → 2021-11-28Survey operations in progress until further notice by M/V samson explorer in area bound by 13-26.18S…Eastern Indian Ocean · Australia-northwest 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.