Ligurian Sea
IHO sea area 28d · 8° to 10° E, 43° to 44° N
- in force
- 0
- last 12 months
- 0
- archive messages
- 181
- categories
- 11
What the archive shows
181 messages are recorded since 1977-10-29 for the Ligurian 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.
Exercises accounts for 75 of 181 recorded messages (41%), 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.
In force now · 0
Nothing in force in this sea right now.
By year
77
91
96
98
99
00
01
02
03
04
07
09
10
11
12
13
14
15
16
18
19
20
21
22
23
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · available archive
| Exercises | 75 | 41% |
| Surveys | 51 | 28% |
| Incidents | 14 | 8% |
| Other | 12 | 7% |
| Cable ops | 9 | 5% |
| Debris | 5 | 3% |
| Nav aids | 5 | 3% |
| Containers | 5 | 3% |
| Ordnance | 2 | 1% |
| Spills | 2 | 1% |
| Derelicts | 1 | 1% |
Archive · 181 cancelled
- HYDROLANT 1953/00 · Other2000-05-30 → 2000-05-31Pyrotechnics exercises 311000Z to 311100Z may within one mile of 44-05N 009-20E
- HYDROLANT 1760/00 · Exercises2000-05-16 → 2000-05-18Gunnery exercises 180630Z to 180800Z may in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53E,…
- HYDROLANT 1701/00 · Exercises2000-05-12 → 2000-05-15Gunnery exercises 150730Z to 151030Z may in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53,…
- HYDROLANT 1546/00 · Surveys2000-05-01 → 2000-05-21Underwater operations 03 thru 20 may by M/V castor within one mile of 44-14.0N 009-01.5E
- HYDROLANT 1065/00 · Exercises2000-03-24 → 2000-03-27Gunnery exercises 270700Z to 271000Z mar in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53E,…
- HYDROLANT 994/00 · Surveys2000-03-20 → 2000-03-25Oceanographic operations 22 thru 24 mar by M/V alliance with equipment at a depth of 90 meters in area bound…
- HYDROLANT 965/00 · Exercises2000-03-17 → 2000-03-22Gunnery exercises 0900Z to 1100Z daily 21 and 22 mar in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N…
- HYDROLANT 804/00 · Other2000-03-03 → 2000-03-1070 meter long cable, orange adrift vicinity 44-22N 008-45E
- HYDROLANT 706/00 · Exercises2000-02-25 → 2000-02-29Gunnery exercises 291300Z to 291500Z feb in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53E,…
- HYDROLANT 531/00 · Surveys2000-02-11 → 2000-02-12Underwater operations by M/V manning 0600Z to 1600Z daily 14 thru 18 feb within two miles of: a. 44-04N…
- HYDROLANT 435/00 · Surveys2000-02-04 → 2000-02-11Underwater operations by M/V manning 0600Z to 1600Z daily 07 thru 11 feb wihin two miles of: a. 44-04N 009-40E
- HYDROLANT 431/00 · Exercises2000-02-04 → 2000-02-07Gunnery exercises 070700Z to 071530Z feb in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53E,…
- HYDROLANT 2844/99 · Other1999-12-29 → 2000-01-05Two red containers with hazardous materials adrift in 43-31.7N 009-24.5E at 290836Z dec
- HYDROLANT 2834/99 · Containers1999-12-27 → 2000-01-03Ten containers adrift vicinity 44-01.4N 009-01.5E
- HYDROLANT 2649/99 · Surveys1999-12-08 → 1999-12-18Underwater operations 09 thru 17 dec by M/V alliance and M/V manning towing equipment in area bound by…
- HYDROLANT 2648/99 · Surveys1999-12-07 → 1999-12-17Hydrographic survey 09 thru 16 dec by M/V jean charcot and M/V argonaut along trackline joining 43-41.5N…
- HYDROLANT 2607/99 · Surveys1999-12-03 → 1999-12-07Survey operations in progress until 10 dec by M/V jean charcot and M/V argonaut along trackline joining…
- HYDROLANT 2605/99 · Debris1999-12-03 → 1999-12-03Black metallic buoy adrift in 44-05.5N 008-27.0E at 021822Z dec
- HYDROLANT 2476/99 · Surveys1999-11-18 → 2000-01-01Underwater operations in progress until 31 dec by tug messico within six miles of 44-14.1N 009-01.3E
- HYDROLANT 2455/99 · Exercises1999-11-15 → 1999-11-19Gunnery exercises 190700Z to 191200Z nov in area bound by 44-00N 009-28E, 44-00N 009-53E, 43-45N 009-53E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.