Survey operations in the Norwegian Sea
Hydrographic and scientific survey vessels, often towing long arrays.
- in force
- 2
- last 12 months
- 2
- vs previous 12 (0)
- —
- since 2001
- 105
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 · 2
- NAVAREA 19 100/26in force2026-08-09Rig list for Norwegian Sea north of 65N, east of 5W lists four rigs with 500 metre safety zones at 091830 UTC August 26.Riglist
- HYDROLANT 1297/26in force2026-07-03Survey operations are in progress by vessel Ramform Atlas towing long cables in the North Sea off Norway; a three-mile berth is requested.North Sea · Norway
Longest in force
- HYDROLANT 1297/26in force2026-07-03 · 49 dSurvey operations are in progress by vessel Ramform Atlas towing long cables in the North Sea off Norway; a three-mile berth is requested.North Sea · Norway
- NAVAREA 19 100/26in force2026-08-09 · 12 dRig list for Norwegian Sea north of 65N, east of 5W lists four rigs with 500 metre safety zones at 091830 UTC August 26.Riglist
By month (all years)
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Other hazards in the Norwegian Sea
Archive · 103 cancelled
- HYDROARC 64/242024-04-26 → 2026-08-14Survey operations in Norwegian Sea continue indefinitely, vessel towing 14 six-mile-long cables, seven-mile berth requested.Norwegian Sea
- HYDROARC 170/232023-08-17 → 2023-09-04Survey operations in progress until further notice by M/V ramform victory towing nine six mile long cables…Norwegian Sea
- HYDROLANT 1767/232023-08-09 → 2023-09-02Survey operations 10 aug thru 01 sep by M/V oceanic vega towing cables in area bound by 66-29.40N…Norwegian Sea
- HYDROARC 158/232023-08-09 → 2023-09-02Survey operations 10 aug thru 01 sep by M/V oceanic vega towing cables in area bound by 66-29.40N…Norwegian Sea
- HYDROLANT 1604/232023-07-16 → 2023-09-18Survey operations 17 jul until further notice by M/V ramform vanguard towing 17 4200 meter long cables in…North Sea · Norwegian Sea · Norway
- HYDROARC 126/232023-07-08 → 2023-08-03Survey operations in progress until 022359Z aug by M/V ramform victory towing nine six mile long cables in…Norwegian Sea
- HYDROARC 125/232023-07-08 → 2023-09-06Survey operations in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…Norwegian Sea
- HYDROARC 120/232023-06-29 → 2023-07-08Survey operations until further notice by M/V ramform hyperion towing 14 six mile long cables, M/V thor…Norwegian Sea · Norway
- HYDROLANT 1346/232023-06-17 → 2023-06-25Survey operations in progress until further notice by M/V sw amundsen towing 2800 meter long cable in area…Norwegian Sea
- HYDROARC 104/232023-06-10 → 2023-09-04Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…Norwegian Sea · Norway
- HYDROLANT 1286/232023-06-10 → 2023-09-04Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…Norwegian Sea · Norway
- HYDROLANT 1112/232023-05-21 → 2023-07-06Survey operations in progress until further notice by M/V sw vespucci in area bound by 61-17.10N 001-59.50E,…Norwegian Sea
- HYDROARC 79/232023-05-11 → 2023-06-25Survey operations 16 may thru 24 jun by M/V ramform hyperion towing 14 six mile long cables, M/V thor omega…Norwegian Sea · Norway
- HYDROLANT 826/232023-04-17 → 2023-06-10Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…Norwegian Sea · Norway
- HYDROARC 54/232023-04-17 → 2023-06-10Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…Norwegian Sea · Norway
- HYDROLANT 811/232023-04-15 → 2023-06-25Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…Norwegian Sea · Norway
- HYDROLANT 806/232023-04-14 → 2023-04-15Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…Norwegian Sea · Norway
- HYDROARC 47/232023-04-14 → 2023-04-15Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…Norwegian Sea · Norway
- HYDROARC 324/222022-10-17 → 2022-10-30Scientific moorings, top float least depth ten meters established in: a. 76-27.00N 015-32.00EGreenland Sea · Norwegian Sea · Svalbard
- HYDROLANT 2099/222022-08-25 → 2022-09-26Survey operations in progress until 30 sep by M/V pxgeo 2 towing eight 9000 meter long cables in area bound…Norwegian Sea · Norway
- HYDROARC 201/222022-08-13 → 2022-09-14Survey operation in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…Norwegian Sea
- HYDROLANT 2006/222022-08-13 → 2022-09-14Survey operation in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…Norwegian Sea
- HYDROLANT 1848/222022-07-25 → 2022-08-29Survey operations in progress until further notice by M/V amazon conqueror towing 14 8700 meter long cables…Norwegian Sea · Norway
- HYDROARC 142/222022-07-04 → 2022-08-12Survey operations 05 jul until further notice by M/V ramform vanguard towing 12 4050 meter long cables in…Norwegian Sea · Norway
- HYDROARC 141/222022-07-02 → 2022-08-07Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…Norwegian Sea · Norway
- HYDROLANT 1680/222022-07-02 → 2022-07-08Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…Norwegian Sea · Norway
- HYDROLANT 1415/222022-05-29 → 2022-07-01Survey operations 01 jun until further notice by M/V ramform vanguard towing 12 5000 meter long cables in…Norwegian Sea
- HYDROARC 101/222022-05-22 → 2022-07-02Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…Norwegian Sea · Norway
- HYDROLANT 1325/222022-05-20 → 2022-07-25Survey operations in progress until further notice by M/V amazon conqueror towing 14 8000 meter long cables…North Sea · Norwegian Sea · Norway
- HYDROARC 198/212021-08-22 → 2021-09-03Underwater operations in progress until further notice by M/V joides resolution in vicinity 65-21.9N 003-03.3ENorwegian Sea
- HYDROLANT 2159/212021-08-21 → 2021-08-22Underwater operations in progress until further notice by M/V joides resolution in vicinity 64-57.8N 002-45.0ENorwegian Sea
- HYDROLANT 2107/212021-08-15 → 2021-08-21Underwater operations in progress until further notice by M/V joides resolution in vicinity 64-57.8N 002-45.0ENorwegian Sea
- HYDROLANT 1902/212021-07-20 → 2021-08-06Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…Norwegian Sea · North Sea · England
- HYDROLANT 1892/212021-07-19 → 2021-09-14Survey operations in progress until further notice by M/V amazon conqueror towing 14 8400 meter long cables…Norwegian Sea · North Sea · Norway
- HYDROLANT 1881/212021-07-18 → 2021-08-27Survey operations in progress until further notice by M/V ramform sovereign towing 12 3600 meter long cables…Norwegian Sea · Norway
- HYDROLANT 1574/212021-06-12 → 2021-10-13Survey operations in progress until further notice by M/V sw amundsen towing 12 8000 meter long cables in…Eastern North Atlantic · Norwegian Sea · North Sea · Norway
- HYDROLANT 1519/212021-06-06 → 2021-07-07Survey operations in progress until further notice by M/V ramform sovereign towing ten 4600 meter long…North Sea · Norwegian Sea · Norway
- HYDROLANT 1375/212021-05-22 → 2021-05-28Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…Eastern North Atlantic · Norwegian Sea · North Sea · Shetland Islands
- HYDROLANT 1156/212021-04-27 → 2021-06-12Survey operations in progress until further notice by M/V sw amundsen towing 12 8000 meter long cables in…Norwegian Sea · North Sea · Norway
- HYDROLANT 2591/202020-08-21 → 2020-10-07Survey operations in progress until further notice by M/V sw amundsen towing twelve 8000 meter long cables…Norwegian Sea · North Sea
- HYDROLANT 2417/202020-08-02 → 2020-09-25Survey operations in progress until further notice by M/V bgp prospector towing ten 8000 meter long cables…Norwegian Sea · North Sea · Norway
- HYDROARC 107/202020-07-05 → 2020-09-12Survey operations in progress until 30 sep by M/V ramform tethys towing 16 10000 meter long cables in area…Norwegian Sea · Norway
- HYDROARC 89/202020-06-20 → 2020-07-26Survey operations in progress until 15 aug by M/V sw amundsen each towing eight 4400 meter long cables, in…Norwegian Sea · Norway
- HYDROARC 74/202020-06-03 → 2020-06-28Survey operations in progress until 31 jul by M/V ramform tethys towing 14 4000 meter long cables in area…Norwegian Sea · Norway
- HYDROLANT 1533/202020-05-05 → 2020-09-05Survey operations in progress until further notice by M/V polarcus adira towing 12 11000 meter long cables…Norwegian Sea
- HYDROLANT 1380/202020-04-20 → 2020-05-25Survey operations in progress until further notice by M/V ramform tethys towing 12 9200 meter long cables in…Eastern North Atlantic · Norwegian Sea · Shetland Islands
- HYDROLANT 2775/192019-09-12 → 2019-10-15Scientific mooring, established in 62-01.60N 001-26.02ENorwegian Sea
- HYDROARC 207/192019-09-11 → 2019-11-13Survey operations in progress until further notice by M/V eagle explorer towing 10050 meter long cable in…Norwegian Sea
- HYDROARC 184/192019-08-25 → 2019-09-01Survey operations in progress until further notice by M/V ramform vanguard towing 12 8000 meter long cables…Norwegian Sea · Norway
- HYDROLANT 2323/192019-07-30 → 2019-08-25Survey operations in progress until further notice by M/V ramform vanguard towing 12 8000 meter long cables…Norwegian Sea · Norway
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.