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% |
| Mines | 1 | 0% |
| Derelicts | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROARC 226/13 · Cable ops2013-10-13 → 2013-10-15Seismic survey in progress until further notice by M/V zefir I towing 10000 meter long cable along trackline…
- HYDROARC 215/13 · Cable ops2013-10-09 → 2013-10-13Seismic survey in progress until further notice by M/V zefir I towing 10000 meter long cable along trackline…
- HYDROARC 204/13 · Cable ops2013-10-02 → 2013-10-04Seismic survey in progress until further notice by M/V zefir I towing 10000 meter long cable along trackline…
- HYDROARC 156/13 · Missiles2013-09-09 → 2013-09-19Hazardous operations 0800Z to 1600Z daily 10 thru 21 sep: a. within 14 miles of 69-17.66N 016-01.18E between…
- HYDROLANT 2012/13 · Cable ops2013-08-17 → 2013-08-30Seismic survey in progress until further notice by M/V ramform valiant towing 12 4.5 mile long cables in…
- HYDROARC 101/13 · Cable ops2013-07-30 → 2013-09-05Seismic survey in progress until further notice by M/V artemis artic towing eight 6000 meter long cables in…
- HYDROLANT 1671/13 · Cable ops2013-07-11 → 2013-07-28Seismic survey in progress until further notice by M/V geco triton towing ten 8500 meter long cables in area…
- HYDROARC 81/13 · Cable ops2013-07-11 → 2013-09-27Seismic survey in progress until further notice by M/V ramform titan towing 14 4.5 mile long cables in area…
- HYDROLANT 1670/13 · Cable ops2013-07-11 → 2013-09-27Seismic survey in progress until further notice by M/V ramform titan towing 14 4.5 mile long cables in area…
- HYDROLANT 1652/13 · Cable ops2013-07-09 → 2013-07-11Seismic survey in progress until further notice by M/V ramform titan towing 14 4.5 mile long cables in area…
- HYDROARC 79/13 · Cable ops2013-07-09 → 2013-07-11Seismic survey in progress until further notice by M/V ramform titan towing 14 4.5 mile long cables in area…
- HYDROLANT 1392/13 · Cable ops2013-06-05 → 2013-08-01Seismic survey in progress until further notice by M/V atlantic explorer towing six 6800 meter long cables…
- HYDROARC 48/13 · Missiles2013-05-30 → 2013-06-12Hazardous operations 2100Z to 0300Z commencing daily 04 thru 14 jun in area bound by 69-40.1N 017-29.7E,…
- HYDROLANT 1310/13 · Cable ops2013-05-28 → 2013-07-31Seismic survey in progress until further notice by M/V ramform challenger towing 12 8000 meter long cables…
- HYDROLANT 973/13 · Missiles2013-04-18 → 2013-04-24Hazardous operations 1700Z to 2200Z daily 22 thru 25 apr in area bound by 69-01.50N 015-29.40E, 69-03.29N…
- HYDROARC 25/13 · Missiles2013-04-18 → 2013-04-24Hazardous operations 1700Z to 2200Z daily 22 thru 25 apr in area bound by 69-01.50N 015-29.40E, 69-03.29N…
- HYDROLANT 906/13 · Cable ops2013-04-11 → 2013-10-24Seismic survey in progress until further notice by M/V oceanic challenger towing 12 6000 meter long cables…
- HYDROARC 22/13 · Cable ops2013-04-11 → 2013-10-24Seismic survey in progress until further notice by M/V oceanic challenger towing 12 6000 meter long cables…
- HYDROLANT 808/13 · Cable ops2013-03-29 → 2013-07-13Seismic survey in progress until further notice by M/V geolog dmitriy nalivkin towing 10000 meter long cable…
- HYDROARC 17/13 · Cable ops2013-03-29 → 2013-07-14Seismic survey in progress until further notice by M/V geolog dmitriy nalivkin towing 10000 meter long cable…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.