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 3339/212021-11-19 → 2021-11-28Underwater operations in progress until further notice by M/V fugro maali in area bound by 19-30S 115-10E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3153/212021-11-04 → 2021-11-18Underwater operations in progress until further notice by M/V fugro maali along trackline joining 20-02S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2977/212021-10-17 → 2021-12-09Underwater operations in progress until further notice by M/V warrego in area bound by 20-19.12S 115-35.62E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2976/212021-10-17 → 2021-11-08Underwater operations in progress until further notice by M/V deep orient in area bound by 19-46S 114-29E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2954/212021-10-16 → 2021-10-17Underwater operations in progress until further notice by M/V warrego in vicinity of trackline joining…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2926/212021-10-13 → 2021-10-14Survey operations in progress until further notice by M/V warrego in position 19-11.41S 118-59.06EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2914/212021-10-12 → 2021-10-23Survey operations 15 thru 22 oct by M/V marion dufresne in areas bound by: a. 21-22.21S 055-12.08E,…Western Indian Ocean · Reunion
- HYDROPAC 2893/212021-10-10 → 2021-10-12Underwater operations in progress until further notice by M/V warrego in 19-00.48S 119-10.45EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2892/212021-10-10 → 2021-10-26Underwater operations in progress until further notice by M/V skandi hercules in area bound by 21-19S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2889/212021-10-10 → 2021-11-22Survey operations in progress until further notice by M/V samson explorer in area bound by 19-10.00S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2888/212021-10-09 → 2021-10-11Underwater operations in progress until further notice by M/V warrego in 19-58.32S 116-20.93EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2882/212021-10-09 → 2021-10-09Underwater operations in progress until further notice by M/V warrego in 19-58.32S 116-20.93EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2864/212021-10-08 → 2021-10-09Underwater operations in progress until further notice by M/V warrego in 19-58.32S 116-20.93EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2746/212021-09-28 → 2021-09-30Underwater operations in progress until further notice by M/V maersk master in vicinity 21-23.2S 114-04.6EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2719/212021-09-25 → 2021-12-30Underwater operations in progress until further notice by M/V empress in area bound by 15-00.88S 123-54.46E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2707/212021-09-23 → 2021-09-28Underwater operations in progress until further notice by M/V maersk master in position 21-23.2S 114-04.6EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2489/212021-09-02 → 2021-10-07Underwater operations in progress until further notice by M/V seven oceanic in area bound by 20-02.0S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2214/212021-08-02 → 2021-08-08Survey operations 05 thru 07 aug by M/V marion dufresne in areas within one mile of: a. 19-58S 054-18EWestern Indian Ocean · Reunion
- HYDROPAC 2152/212021-07-26 → 2021-07-30Underwater operations 27 thru 29 jul by marion dufresne in: a. 24-10.96S 063-03.55EWestern Indian Ocean
- HYDROPAC 2142/212021-07-25 → 2021-09-02Underwater operations in progress until further notice by M/V seven oceanic in 20-01.95S 115-12.15EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2029/212021-07-13 → 2021-07-29Underwater operations in progress until further notice by M/V seven oceans in area bound by 20-00S 115-00E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1625/212021-06-01 → 2021-07-29Survey operations in progress until further notice by M/V geo coral towing 12 five mile long cables in area…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1604/212021-05-29 → 2021-06-01Survey operations in progress until further notice by M/V geo coral towing five mile long cables in area…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1501/212021-05-20 → 2021-07-07Underwater operations in progress until further notice by M/V skandi singapore in area bound by 19-24.91S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1340/212021-05-03 → 2021-05-06Survey operations in progress until 05 may by M/V antsiva along trackline joining 19-45.78S 054-07.53E,…Western Indian Ocean
- HYDROPAC 1248/212021-04-25 → 2021-05-12Underwater operations in progress until further notice by M/V seven oceans in 20-08.8S 115-02.4EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1233/212021-04-23 → 2021-05-12Survey operations in progress until further notice by M/V offshore supplier in area bound by 31-45.4S…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 1223/212021-04-22 → 2021-04-23Underwater operations 23 apr until further notice by M/V maersk master in 19-51.31S 114-31.01EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1175/212021-04-17 → 2021-05-29Survey operations in progress until further notice by M/V geo coral towing 12 five mile long cables in area…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1141/212021-04-14 → 2021-04-18Underwater operations in progress until further notice by M/V bhagwan dryden in area bound by 19-53.2S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 1079/212021-04-09 → 2021-04-30Underwater operations in progress until further notice in area bound by 31-25S 114-50E, 32-05S 114-50E,…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 1048/212021-04-06 → 2021-04-08Underwater operations in progress until 07 apr by M/V antsiva along trackline joining 19-45.78S 054-07.53E,…Western Indian Ocean
- HYDROPAC 963/212021-03-28 → 2021-05-12Underwater operations in progress until further notice by M/V audacia in area bound by 20-31.2S 114-46.6E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 543/212021-02-16 → 2023-02-24Salvage operations in progress until further notice by M/V wakashio in area bound by 20-26.1S 057-43.1E,…Western Indian Ocean · Mauritius
- HYDROPAC 422/212021-02-04 → 2021-02-04Survey operations in progress until 03 mar by M/V fugro mapper towing 150 meter long cable in area bound by…Indian Ocean · Arabian Sea · India
- HYDROPAC 358/212021-01-28 → 2021-01-29Survey operations in progress until further notice by m/ jetwave jasmin in area bound by 19-17.95S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 264/212021-01-20 → 2021-01-21Survey operations in progress until further notice by M/V jetwave jasmin in area bound by 19-17.95S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 248/212021-01-19 → 2021-01-20Survey operations in progress until further notice by M/V jetwave jasmin in area bound by 19-17.95S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 221/212021-01-18 → 2021-01-18Survey operations in progress until further notice by M/V jetwave jasmin in area bound by 21-32.68S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 88/212021-01-08 → 2021-03-10Survey operations in progress until 09 mar by M/V marion dufresne along trackline joining 20-55.02S…Indian Ocean · Reunion
- HYDROPAC 41/212021-01-04 → 2021-03-28Underwater operations in progress in area bound by 19-51.48S 114-29.12E, 19-52.47S 114-29.66E, 19-49.25S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 14/212021-01-02 → 2021-01-07Underwater operations 05 thru 06 jan by M/V marion dufresne in area bound by 21-02.10S 055-13.02E, 20-54.00S…Western Indian Ocean · Reunion
- HYDROPAC 3677/202020-12-12 → 2020-12-14Survey operations in progress until further notice by M/V limitless in 19-02.35S 118-44.91EEastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 3243/202020-11-03 → 2020-11-05Underwater operations in progress until further notice by M/V bhagwan wauri in area bound by 35-08S 116-36E,…Southeastern Indian Ocean · Australia
- HYDROPAC 2662/202020-09-14 → 2020-11-03Underwater operations in progress until further notice by M/V bhagwan wauri in vicinity of trackline joining…Southeastern Indian Ocean · Australia-southwest Coast
- HYDROPAC 2528/202020-08-29 → 2020-09-14Underwater operations in progress until further notice by M/V vos shine in area bound by 13-50S 123-05E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2516/202020-08-28 → 2020-08-30Underwater operations in progress until further notice by M/V fugro etive in area bound by 19-34S 115-39E,…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2499/202020-08-26 → 2020-08-27Underwater operations in progress until further notice by M/V fugro etive in area bound by 20-14.4S…Eastern Indian Ocean · Australia-northwest Coast
- HYDROPAC 2490/202020-08-25 → 2020-09-21Survey operations in progress until 20 sep by M/V furgo gauss in area within six miles of trackline joining…Southwestern Indian Ocean · South Africa
- HYDROPAC 2414/202020-08-17 → 2020-08-26Underwater operations in progress until further notice by M/V fugro etive in 19-52.58S 115-09.01EEastern 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.