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 556/242024-02-16 → 2024-03-02Survey operations 19 feb thru 01 mar by M/V marion dufresne in area bound by 36-00.00S 077-00.00E, 36-00.00S…Southern Indian Ocean · French Southern and Antarctic Lands
- HYDROPAC 546/242024-02-16 → 2024-04-12Underwater operations in progress until further notice by M/V bhagwan dryden in area bound by 20-40.97S…Eastern Indian Ocean · Australia
- HYDROPAC 518/242024-02-14 → 2024-02-22Underwater operations in progress until further notice by M/V seven oceanic in vicinity 20-14.14S 116-22.51EEastern Indian Ocean · Australia
- HYDROPAC 298/242024-01-25 → 2024-02-07Underwater operations in progress until further notice by M/V skandi singapore in 20-29.50S 114-54.00EEastern Indian Ocean · Australia
- HYDROPAC 262/242024-01-22 → 2024-02-23Survey operations in progress until further notice by M/V samson explorer towing 900 meter long cables in…Southeastern Indian Ocean · Australia
- HYDROPAC 210/242024-01-18 → 2024-01-31Underwater operations in progress until further notice by M/V deep orient in area bound by 21-08.46S…Eastern Indian Ocean · Australia
- HYDROPAC 175/242024-01-16 → 2024-01-18Underwater operations in progress until further notice by M/V seven oceanic in area bound by 19-44.30S…Eastern Indian Ocean
- HYDROPAC 147/242024-01-13 → 2024-01-20Underwater operations in progress until further notice by M/V castorone along trackline joining 20-18.50S…Eastern Indian Ocean · Australia
- HYDROPAC 74/242024-01-06 → 2024-01-07Underwater operations in progress until further notice by M/V lay vessel 108 in 12-57.87S 124-26.55EEastern Indian Ocean
- HYDROPAC 60/242024-01-05 → 2024-02-06Survey operations in progress until 05 feb in area bound by 16-24.00S 057-00.00E, 20-54.00S 057-00.00E,…Western Indian Ocean · Mauritius
- HYDROPAC 27/242024-01-03 → 2024-01-18Underwater operations in progress until further notice by M/V deep orient in 21-12.28S 114-41.90EEastern Indian Ocean · Australia
- HYDROPAC 26/242024-01-02 → 2024-01-05Underwater operations in progress until further notice by M/V fugro kwilena in area bound by 20-23.12S…Eastern Indian Ocean · Australia
- HYDROPAC 4045/232023-12-29 → 2024-01-10Underwater operations in progress until further notice by M/V castorone along trackline joining 20-19.30S…Eastern Indian Ocean · Australia
- HYDROPAC 4013/232023-12-25 → 2024-01-07Underwater operations in progress until further notice by M/V bhagwan dryden in area bound by 20-41.43S…Eastern Indian Ocean · Australia
- HYDROPAC 3995/232023-12-23 → 2024-01-03Underwater operations in progress until further notice by M/V deep orient in 21-12.28S 114-41.90EEastern Indian Ocean · Australia
- HYDROPAC 3993/232023-12-22 → 2024-01-08Underwater operations in progress until further notice by M/V seven oceanic in area bound by 19-44.31S…Eastern Indian Ocean
- HYDROPAC 3923/232023-12-14 → 2023-12-25Underwater operations in progress until further notice by M/V bhagwan dryden in area bound by 20-41.17S…Eastern Indian Ocean · Australia
- HYDROPAC 3838/232023-12-06 → 2024-01-18Underwater operations in progress until further notice by M/V deep orient in area bound by 21-22.03S…Eastern Indian Ocean · Australia
- HYDROPAC 3834/232023-12-05 → 2024-01-25Survey operations in progress until further notice by M/V inception II in area bound by 27-21.36S…Eastern Indian Ocean · Australia
- HYDROPAC 3777/232023-11-29 → 2023-11-29Underwater operations in progress until further notice by M/V fugro maali in area bound by 13-50.40S…Eastern Indian Ocean · Australia
- HYDROPAC 3773/232023-11-29 → 2023-12-14Underwater operations until further notice by M/V fugro maali in area bound by 13-50.40S 123-21.10E,…Eastern Indian Ocean · Australia
- HYDROPAC 3753/232023-11-27 → 2023-12-31Survey operations in progress until further notice by M/V geo coral towing 12 five mile long cables in area…Eastern Indian Ocean
- HYDROPAC 3609/232023-11-16 → 2023-11-23Underwater operations in progress until further notice by M/V skandi singapore in area bound by 20-29.63S…Eastern Indian Ocean · Australia
- HYDROPAC 3534/232023-11-09 → 2023-11-17Underwater operations in progress until further notice by M/V skandi hercules in 19-49.50S 114-34.40EEastern Indian Ocean · Australia
- HYDROPAC 3533/232023-11-09 → 2023-11-26Underwater operations in progress until further notice by M/V fugro kwilena in area bound by 20-24.00S…Eastern Indian Ocean · Australia
- HYDROPAC 3422/232023-10-30 → 2023-11-02Underwater operations in progress until further notice by M/V sapura constructor in 21-27.33S 113-49.58EEastern Indian Ocean · Australia
- HYDROPAC 3418/232023-10-29 → 2023-11-07Survey operations in progress until further notice by M/V adrianus towing 200 meter long cable in area bound…Eastern Indian Ocean · Australia
- HYDROPAC 3363/232023-10-24 → 2023-11-09Underwater operations in progress until further notice by M/V fugro maali in area bound by 20-24.00S…Eastern Indian Ocean · Australia
- HYDROPAC 3326/232023-10-19 → 2023-10-23Underwater operations 192100Z to 230001Z oct by M/V fugro maali along trackline joining 20-43.10S…Eastern Indian Ocean · Australia
- HYDROPAC 3304/232023-10-17 → 2023-11-24Underwater operations in progress until further notice by M/V lay vessel 108 in area bound by 13-44.00S…Eastern Indian Ocean
- HYDROPAC 3228/232023-10-10 → 2023-10-30Underwater operations in progress until further notice by M/V sapura constructor in 21-29.30S 113-58.52EEastern Indian Ocean · Australia
- HYDROPAC 3044/232023-09-24 → 2023-09-28Underwater operations in progress until further notice by M/V fugro etive in 21-23.90S 114-04.10EEastern Indian Ocean · Australia
- HYDROPAC 2881/232023-09-07 → 2024-01-25Underwater operations in progress until further notice by M/V bluey in area bound by 30-18.00S 114-04.00E,…Southeastern Indian Ocean · Australia
- HYDROPAC 2880/232023-09-07 → 2024-01-25Underwater operations in progress until further notice by underwater glider in area bound by 30-20.00S…Southeastern Indian Ocean · Australia
- HYDROPAC 2707/232023-08-23 → 2023-09-27Underwater operations in progress until further notice by M/V pride in 19-51.17S 114-30.91EEastern Indian Ocean · Australia
- HYDROPAC 2680/232023-08-19 → 2023-08-22Survey operations in progress until 21 aug by M/V botafogo in 19-40.17S 054-10.33EWestern Indian Ocean
- HYDROPAC 2672/232023-08-19 → 2023-08-22Survey operations in progress until 21 aug by M/V botafogo in 19-40.17S 054-10.33EWestern Indian Ocean
- HYDROPAC 2588/232023-08-11 → 2023-10-05Survey operations in progress until further notice by M/V geo coral towing 12 five mile long cables in area…Eastern Indian Ocean · Australia
- HYDROPAC 2528/232023-08-05 → 2023-08-23Underwater operations in progress until further notice by M/V pride in 19-51.17S 114-30.91EEastern Indian Ocean · Australia
- HYDROPAC 2398/232023-07-22 → 2023-08-07Underwater operations in progress until further notice by M/V fugro etive in area bound by 21-30.10S…Eastern Indian Ocean · Australia
- HYDROPAC 2240/232023-07-09 → 2023-07-12Underwater operations in progress until further notice by M/V fugro etive in area bound by 20-03.30S…Eastern Indian Ocean · Australia
- HYDROPAC 2200/232023-07-06 → 2023-07-08Underwater operations in progress until further notice by M/V fugro etive in area bound by 21-27.50S…Eastern Indian Ocean · Australia
- HYDROPAC 2056/232023-06-22 → 2023-07-30Underwater operations in progress until further notice by M/V pride in 19-51.17S 114-30.91EEastern Indian Ocean · Australia
- HYDROPAC 1824/232023-06-01 → 2023-06-03Underwater operations in progress until further notice by M/V pride in 19-51.16S 114-30.92EEastern Indian Ocean · Australia
- HYDROPAC 1823/232023-06-01 → 2023-06-02Underwater operations in progress until further notice by M/V sapura constructor in area bound by 21-21.74S…Eastern Indian Ocean · Australia
- HYDROPAC 1617/232023-05-16 → 2023-06-01Underwater operations in progress until further notice by M/V sapura constructor along trackline joining…Eastern Indian Ocean · Australia
- HYDROPAC 1597/232023-05-14 → 2023-05-16Underwater operations in progress until further notice by M/V x-press kohima in 05-52.7N 080-58.1ENorthern Indian Ocean · Sri Lanka
- HYDROPAC 1520/232023-05-08 → 2023-05-11Underwater operations in progress until further notice by M/V peter faber in area bound by 19-32.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1445/232023-05-01 → 2023-05-08Underwater operations in progress until further notice by M/V peter faber in area bound by 19-32.00S…Eastern Indian Ocean · Australia
- HYDROPAC 1412/232023-04-29 → 2023-06-01Underwater operations in progress until further notice by M/V pride in 20-34.60S 114-46.60EEastern Indian Ocean · Australia
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.