Norwegian Sea
IHO sea area 6 · -14° to 26° E, 61° to 77° N
- in force
- 1
- last 12 months
- 13
- archive messages
- 497
- categories
- 15
What the archive shows
497 messages are recorded since 1999-04-21 for the Norwegian Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Cable ops accounts for 134 of 497 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-08-28 09:28ZSurvey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
In force now · 1
Longest in force
By year
99
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09
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By month (all years)
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F
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By category · available archive
| Cable ops | 134 | 27% |
| Surveys | 109 | 22% |
| Missiles | 85 | 17% |
| Exercises | 62 | 12% |
| Nav aids | 31 | 6% |
| Quakes | 17 | 3% |
| Ordnance | 13 | 3% |
| Debris | 12 | 2% |
| Other | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Mines | 1 | 0% |
| Derelicts | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROLANT 1038/16 · Cable ops2016-05-01 → 2016-05-31Seismic survey in progress until 30 may by M/V wg amundsen towing 12 7000 meter long cables in area bound by…
- HYDROARC 57/16 · Cable ops2016-05-01 → 2016-05-31Seismic survey in progress until 30 may by M/V wg amundsen towing 12 7000 meter long cables in area bound by…
- HYDROLANT 1024/16 · Cable ops2016-04-29 → 2016-07-28Seismic survey 01 may thru 31 jul by M/V sanco swift towing 12 8000 meter long cables in area bound by…
- HYDROARC 54/16 · Cable ops2016-04-29 → 2016-07-28Seismic survey 01 may thru 31 jul by M/V sanco swift towing 12 8000 meter long cables in area B0UND by…
- HYDROARC 48/16 · Cable ops2016-04-24 → 2016-05-11Seismic survey 25 apr thru 10 may by M/V amazon conqueror towing 14 8000 meter long cables in area B0UND by…
- HYDROLANT 972/16 · Cable ops2016-04-24 → 2016-05-11Seismic survey 25 apr thru 10 may by M/V amazon conqueror towing 14 8000 meter long cables in area B0UND by…
- HYDROLANT 952/16 · Exercises2016-04-22 → 2016-04-23Hazardous operations
- HYDROARC 42/16 · Exercises2016-04-22 → 2016-04-23Hazardous operations
- HYDROLANT 939/16 · Other2016-04-20 → 2016-04-23900 meter long cable with yellow floats adrift in 61-35.4N 001-39.4E at 191900Z apr
- HYDROLANT 906/16 · Containers2016-04-15 → 2016-04-18Container adrift vicinity 61-14.17N 000-26.50E at 150900Z apr
- HYDROLANT 884/16 · Containers2016-04-13 → 2016-04-16Container adrift vicinity 61-42.0N 000-38.9E at 130625Z apr
- HYDROLANT 2937/15 · Debris2015-11-28 → 2015-12-01Odas buoy adrift in 63-54.4N 006-49.5E at 280719Z nov
- HYDROLANT 2907/15 · Debris2015-11-25 → 2015-11-28Odas buoy OL-234 adrift in 63-57.7N 005-46.2E at 251440Z nov
- HYDROARC 409/15 · Missiles2015-11-23 → 2015-12-15Hazardous operations 0530Z to 1030Z daily 27 nov thru 18 dec: a. in area bound by 69-45.2N 015-51.4E,…
- HYDROLANT 2622/15 · Debris2015-10-22 → 2015-10-2512 meter long seismic cable with buoy adrift in 66-13N 008-30E at 201830Z oct
- HYDROARC 371/15 · Debris2015-10-22 → 2015-10-2512 meter long seismic cable with buoy adrift vicinity 66-13N 008-30E at 201830Z oct
- HYDROLANT 2452/15 · Nav aids2015-10-01 → 2015-10-02Loran-c station vaerlandet (61-18N 004-42E), rate 7499-Y, off air 020700Z to 020900Z oct
- HYDROLANT 1678/15 · Cable ops2015-07-09 → 2015-08-19Seismic survey in progress until further notice by M/V polar duchess towing 12 7500 meter long cables in…
- HYDROLANT 1611/15 · Cable ops2015-07-02 → 2015-08-13Seismic survey in progress until further notice by M/V ramform atlas towing 12 9000 meter long cables in…
- HYDROLANT 1602/15 · Mines2015-06-30 → 2015-07-03Possible mine adrift vicinity 64-17.9N 005-10.8E at 301330Z jun
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.