Irish Sea and St. George's Channel
IHO sea area 19 · -7° to -3° E, 52° to 55° N
- in force
- 0
- last 12 months
- 2
- archive messages
- 1,132
- categories
- 12
What the archive shows
1,132 messages are recorded since 1999-01-03 for the Irish Sea and St. George's Channel. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Nav aids accounts for 656 of 1,132 recorded messages (58%), 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
By month (all years)
By category · available archive
| Nav aids | 656 | 58% |
| Cable ops | 184 | 16% |
| Surveys | 162 | 14% |
| Other | 56 | 5% |
| Wrecks | 47 | 4% |
| Containers | 7 | 1% |
| Derelicts | 7 | 1% |
| Debris | 5 | 0% |
| Exercises | 4 | 0% |
| Restricted | 2 | 0% |
| Structures | 1 | 0% |
| Incidents | 1 | 0% |
Archive · 1,132 cancelled
- HYDROLANT 143/05 · Nav aids2005-01-18 → 2005-01-19Calf of man light 54-03N 004-50W unreliable
- HYDROLANT 43/05 · Nav aids2005-01-07 → 2005-01-07Dgps station at point lynas light 53-25.0N 004-17.3W unreliable 070900Z to 071600Z jan
- HYDROLANT 11/05 · Nav aids2005-01-03 → 2005-01-03Chicken rock light 52-02N 004-50W unreliable
- HYDROLANT 2045/04 · Nav aids2004-12-23 → 2004-12-24Chicken rock light 52-02N 004-50W unreliable
- HYDROLANT 2036/04 · Cable ops2004-12-21 → 2004-12-24Underwater operations in progress until further notice by cableship atlantic guardian with submersible…
- HYDROLANT 2017/04 · Cable ops2004-12-18 → 2005-01-19Underwater operations in progress until further notice by cableship atlantic guardian with submersible…
- HYDROLANT 1911/04 · Exercises2004-11-29 → 2004-12-10Hazardous operations 0900Z to 1600Z daily until 10 dec within ten miles of 53-39.2N 006-13.2W
- HYDROLANT 1720/04 · Cable ops2004-10-24 → 2004-11-01Underwater operations in progress until further notice by cableship wave sentinel with submersible vicinity…
- HYDROLANT 1709/04 · Surveys2004-10-22 → 2004-11-01Underwater operations in progress until further notice vicinity 53-19.5N 004-39.7W
- HYDROLANT 1679/04 · Cable ops2004-10-17 → 2004-10-18Diving operations in progress until further notice by vessel noordkoek singapore on gas pipeline vicinity…
- HYDROLANT 1621/04 · Cable ops2004-10-03 → 2004-10-11Underwater operations in progress until further notice by cableship atlantic guardian with submersible…
- HYDROLANT 1537/04 · Nav aids2004-09-20 → 2004-09-29Odas buoy established in 53-35N 005-47W
- HYDROLANT 1526/04 · Nav aids2004-09-18 → 2004-10-19Arklow lanby 52-40N 005-58W light and fog signal unreliable
- HYDROLANT 1509/04 · Nav aids2004-09-16 → 2004-09-17Arklow lanby light 52-39.5N 005-58.1W unreliable
- HYDROLANT 1490/04 · Nav aids2004-09-13 → 2004-09-13Arklow lanby light and fog signal 52-39.5N 005-58.1W unreliable
- HYDROLANT 1474/04 · Wrecks2004-09-09 → 2008-02-09Dangerous wreck in 52-47.5N 004-24.2W
- HYDROLANT 1454/04 · Wrecks2004-09-06 → 2006-08-16Dangerous wreck in 52-47.51N 004-25.25W
- HYDROLANT 1447/04 · Nav aids2004-09-03 → 2004-09-05Carlingford lough buoy 53-59N 006-01W unlit
- HYDROLANT 1436/04 · Nav aids2004-09-02 → 2004-09-03Dgps station at point lynas light 53-25.0N 004-17.3W off air until 031930Z sep
- HYDROLANT 1386/04 · Nav aids2004-08-20 → 2004-08-21Dgps station at point lynas light 53-25.0N 004-17.3W inoperative
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.