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
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
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% |
| Derelicts | 1 | 0% |
| Mines | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROARC 117/16 · Cable ops2016-07-02 → 2016-09-04Seismic survey in progress until further notice by M/V ramform titan towing 14 9000 meter long cables in…
- HYDROLANT 1620/16 · Cable ops2016-06-27 → 2016-07-05Seismic survey in progress until 10 jul by M/V fugro galaxy towing 1500 meter long cable in area bound by…
- HYDROARC 115/16 · Cable ops2016-06-27 → 2016-07-05Seismic survey in progress until 10 jul by M/V fugro galaxy towing 1500 meter long cable in area bound by…
- HYDROLANT 1542/16 · Missiles2016-06-20 → 2016-07-08Hazardous operations 0900Z to 1500Z daily 24 jun thru 11 jul in area bound by 70-07.0N 013-09.1E, 69-20.3N…
- HYDROARC 105/16 · Missiles2016-06-20 → 2016-07-08Hazardous operations 0900Z to 1500Z daily 24 jun thru 11 jul in area bound by 70-07.0N 013-09.1E, 69-20.3N…
- HYDROARC 104/16 · Cable ops2016-06-19 → 2016-07-14Seismic survey in progress until further notice by M/V ramform tethys towing 16 9000 meter long cables in…
- HYDROLANT 1540/16 · Cable ops2016-06-19 → 2016-07-14Seismic survey in progress until further notice by M/V ramform tethys towing 16 9000 meter long cables in…
- HYDROLANT 1401/16 · Exercises2016-06-08 → 2016-06-17Hazardous operations
- HYDROARC 92/16 · Exercises2016-06-08 → 2016-06-17Hazardous operations
- HYDROLANT 1305/16 · Cable ops2016-05-31 → 2016-06-27Seismic survey in progress until 29 jun by M/V fugro galaxy towing 1500 meter long cable in area bound by…
- HYDROARC 85/16 · Cable ops2016-05-31 → 2016-06-27Seismic survey in progress until 29 jun by M/V fugro galaxy towing 1500 meter long cable in area bound by…
- HYDROLANT 1252/16 · Missiles2016-05-26 → 2016-06-07Hazardous operations 2000Z to 0300Z commencing daily 31 may thru 06 jun in area bound by 69-11.5N 016-45.4E,…
- HYDROARC 80/16 · Missiles2016-05-26 → 2016-06-07Hazardous operations 2000Z to 0300Z commencing daily 31 may thru 06 jun in area bound by 69-11.5N 016-45.4E,…
- HYDROLANT 1240/16 · Missiles2016-05-25 → 2016-06-06Hazardous operations 2000Z to 0300Z commencing daily until 06 jun in area bound by 69-49.77N 016-42.44E,…
- HYDROARC 78/16 · Missiles2016-05-25 → 2016-06-06Hazardous operations 2000Z to 0300Z commencing daily until 06 jun in area bound by 69-49.77N 016-42.44E,…
- HYDROLANT 1177/16 · Cable ops2016-05-18 → 2016-06-19Seismic survey in progress until 31 oct by M/V ramform tethys towing 9000 meter long cables in area bound by…
- HYDROARC 69/16 · Cable ops2016-05-18 → 2016-06-19Seismic survey in progress until 31 oct by M/V ramform tethys towing 16 9000 meter long cables in area bound…
- HYDROARC 62/16 · Cable ops2016-05-08 → 2016-06-25Seismic survey 09 may thru 24 jun by M/V bgp prospector towing ten 8000 meter long cables in area bound by…
- HYDROLANT 1076/16 · Missiles2016-05-06 → 2016-05-14Hazardous operations 1600Z to 2200Z daily 11 thru 14 may in area bound by 69-01.8N 015-29.7E, 69-03.5N…
- HYDROARC 61/16 · Missiles2016-05-06 → 2016-05-14Hazardous operations 1600Z to 2200Z daily 11 thru 14 may in area bound by 69-01.8N 015-29.7E, 69-03.5N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.