Survey operations in the North Sea
Hydrographic and scientific survey vessels, often towing long arrays.
- in force
- 1
- last 12 months
- 3
- vs previous 12 (0)
- —
- since 1997
- 583
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 · 1
Longest in force
By month (all years)
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F
M
A
M
J
J
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Other hazards in the North Sea
Archive · 582 cancelled
- HYDROLANT 2176/212021-08-24 → 2021-10-21Survey operations in progress until further notice by M/V ramform hyperion towing ten 2800 meter long cables…North Sea
- HYDROLANT 2112/212021-08-16 → 2021-09-28Survey operations in progress until further notice by M/V fugro galaxy in area bound by 52-21.3N 001-44.4E,…North Sea · England
- HYDROLANT 1864/212021-07-15 → 2021-08-16Survey operations in progress until further notice by M/V fugro galaxy and M/V highland eagle in area bound…North Sea · England
- HYDROLANT 1804/212021-07-08 → 2021-07-24Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…North Sea
- HYDROLANT 1783/212021-07-07 → 2021-07-20Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter cable in…North Sea · England
- HYDROLANT 1763/212021-07-05 → 2021-07-13Survey operations in progress until 12 jul by M/V fugro frontier, M/V fugro venturer and M/V fugro searcher…North Sea · England
- HYDROLANT 1752/212021-07-04 → 2021-07-07Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter cable in…North Sea · Norway
- HYDROLANT 1751/212021-07-03 → 2021-07-08Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…North Sea · Shetland Islands
- HYDROLANT 1731/212021-07-01 → 2021-07-04Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter cable in…North Sea · Norway
- HYDROLANT 1707/212021-06-28 → 2021-06-30Survey operations in prrogress until further notice by M/V academic lazarev towing 13000 meter long cable…North Sea · Scotland
- HYDROLANT 1691/212021-06-25 → 2021-06-27Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · England
- HYDROLANT 1650/212021-06-21 → 2021-06-25Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Skagerrak · England To Denmark
- HYDROLANT 1648/212021-06-21 → 2021-10-11Survey operations in progress until further notice by M/V oceanic vega towing ten 7200 meter long cables in…North Sea · England
- HYDROLANT 1625/212021-06-17 → 2021-06-21Survey operations 18 jun until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea
- HYDROLANT 1603/212021-06-15 → 2021-06-17Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea
- HYDROLANT 1592/212021-06-14 → 2021-06-21Survey operations in progress until further notice by M/V oceanic vega towing ten 7200 meter long cables in…North Sea · England
- HYDROLANT 1579/212021-06-12 → 2021-06-15Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea
- HYDROLANT 1560/212021-06-10 → 2021-07-03Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…North Sea
- HYDROLANT 1542/212021-06-09 → 2021-06-12Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Norway · Shetland Islands
- HYDROLANT 1515/212021-06-06 → 2021-06-10Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…North Sea · Shetland Islands
- HYDROLANT 1501/212021-06-04 → 2021-06-09Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Norway
- HYDROLANT 1489/212021-06-03 → 2021-06-04Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Norway
- HYDROLANT 1457/212021-05-30 → 2021-06-03Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Shetland Islands
- HYDROLANT 1452/212021-05-30 → 2021-05-30Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…Eastern North Atlantic · North Sea · Norway
- HYDROLANT 1442/212021-05-28 → 2021-05-30Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…Eastern North Atlantic · North Sea · Norway
- HYDROLANT 1394/212021-05-24 → 2021-07-05Survey operations in progress until 12 jul by M/V fugro frontier, M/V fugro venturer and M/V fugro searcher…North Sea · England
- HYDROLANT 1389/212021-05-24 → 2021-05-30Survey operations in progress until further notice by M/V ramform vanguard towing 12 6500 meter long cables…North Sea
- HYDROLANT 1345/212021-05-18 → 2021-05-22Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Norwegian Sea · Scotland · Shetland Islands
- HYDROLANT 1324/212021-05-16 → 2021-05-18Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable…North Sea · Norway
- HYDROLANT 1309/212021-05-14 → 2021-05-16Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…North Sea · Norway
- HYDROLANT 1306/212021-05-13 → 2021-05-14Survey operations in progress until further notice by M/V akademik lazarev towing one 7000 meter long cable…North Sea · Norway
- HYDROLANT 1203/212021-05-01 → 2021-05-24Survey operations in progress until further notice by M/V ramform vanguard towing 12 6500 meter long cables…North Sea
- HYDROLANT 1147/212021-04-26 → 2021-04-27Survey operations in progress until further notice by M/V sw amundsen towing eight 8000 meter long cables…Norwegian Sea · North Sea · Shetland Islands
- HYDROLANT 1122/212021-04-23 → 2021-05-01Survey operations in progress until further notice by M/V ramform vanguard towing 12 6500 meter long cables…North Sea
- HYDROLANT 1115/212021-04-22 → 2021-04-25Survey operations in progress until further notice by M/V sw amundsen towing eight 8000 meter long cables,…North Sea · Scotland
- HYDROLANT 1011/212021-04-13 → 2021-05-15Survey operations until further notice by M/V ramform hyperion towing 12 6000 meter long cables in area…North Sea · Scotland
- HYDROLANT 998/212021-04-12 → 2021-05-24Survey operations in progress until 12 jul by M/V fugro frontier, M/V fugro venturer and M/V fugro searcher…North Sea · England
- HYDROLANT 102/212021-01-11 → 2021-01-13Survey operations in progress until 15 jan in vicinity of trackline joining 52-51.7N 001-28.0E, 52-59.6N…North Sea · England
- HYDROLANT 66/212021-01-09 → 2021-01-12Survey operations 09 thru 11 jan in vicinity of trackline joining 52-51.7N 001-28.0E, 52-59.6N 001-34.5E,…North Sea · England
- HYDROLANT 3096/202020-10-12 → 2020-11-12Survey operations in progress until further notice in area bound by 52-21.1N 001-44.3E, 52-40.3N 002-32.9E,…North Sea · England
- HYDROLANT 2685/202020-08-31 → 2020-10-12Survey operations in progress until further notice in area bound by 52-21.1N 001-44.3E, 52-40.3N 002-32.9E,…North Sea · England
- HYDROLANT 2672/202020-08-30 → 2020-08-31Survey operations in progress until further notice by M/V despina, M/V fugro frontier and M/V normand flower…North Sea · England
- HYDROLANT 2585/202020-08-21 → 2020-10-06Survey operations in progress until further notice by M/V amazon warrior towing eight 7500 meter long cables…North Sea · England
- HYDROLANT 2540/202020-08-16 → 2020-08-30Survey operations in progress until further notice by M/V despina, M/V fugro frontier and M/V normand flower…North Sea · England
- HYDROLANT 2463/202020-08-08 → 2020-09-19Survey operations in progress until further notice by M/V hydrograf towing equipment along trackline joining…North Sea · England
- HYDROLANT 2367/202020-07-29 → 2020-08-16Survey operations in progress until further notice by M/V atlantis dweller, M/V fugro frontier and M/V…North Sea · England
- HYDROLANT 2364/202020-07-29 → 2020-08-17Survey operations in progress until further notice by M/V sw amundsen towing eight 3800 meter long cables in…North Sea
- HYDROLANT 2328/202020-07-24 → 2020-07-25Survey operations in progress until further notice by M/V hydrograf in vicinity of trackline joining…North Sea · England
- HYDROLANT 2308/202020-07-22 → 2020-07-29Survey operations in progress further notice by M/V atlantis dweller and M/V fugro frontier in area bound by…North Sea · England
- HYDROLANT 2067/202020-06-27 → 2020-07-21Survey operations in progress until 31 jul by M/V bgp prospector towing 12 5000 meter long cables in area…North Sea · Scotland
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.