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 1405/09 · Nav aids2009-07-28 → 2009-07-28Nga chart 36026 (1ST ed)
- HYDROLANT 1401/09 · Nav aids2009-07-28 → 2009-07-28Nga chart 36026 (1ST ed)
- HYDROLANT 1364/09 · Nav aids2009-07-23 → 2009-07-25Nga chart 36026 (1ST ed)
- HYDROLANT 1298/09 · Nav aids2009-07-13 → 2009-07-21Nga chart 36025 (1ST ed)
- HYDROLANT 1250/09 · Surveys2009-07-06 → 2009-07-20Survey operations in progress until further notice by M/V fugro commander in area bound by 54-07.6N…
- HYDROLANT 1210/09 · Surveys2009-06-29 → 2009-07-01Survey operations in progress until further notice by M/V fugro commander in area bound by 54-05.5N…
- HYDROLANT 1149/09 · Surveys2009-06-21 → 2009-06-22Survey operations in progress until further notice by M/V fugro commander in area bound by 54-05.5N…
- HYDROLANT 1103/09 · Wrecks2009-06-15 → 2009-06-26Nga chart 36025 (1ST ed)
- HYDROLANT 1100/09 · Nav aids2009-06-15 → 2009-06-18Nga chart 36026 (1ST ed)
- HYDROLANT 1091/09 · Surveys2009-06-13 → 2009-06-15Survey operations in progress until further notice by M/V fugro commander in area bound by 54-05.5N…
- HYDROLANT 1066/09 · Nav aids2009-06-10 → 2009-06-10Nga chart 36026 (1ST ed)
- HYDROLANT 1010/09 · Surveys2009-06-02 → 2009-06-13Survey operations in progress until further notice by M/V fugro commander in area bound by 54-07.6N…
- HYDROLANT 988/09 · Surveys2009-05-29 → 2009-07-25Nga chart 36006 (1ST ed)
- HYDROLANT 950/09 · Surveys2009-05-23 → 2009-05-28Survey operations in progress until further notice by M/V fugro commander in area bound by 54-07.6N…
- HYDROLANT 860/09 · Cable ops2009-05-09 → 2009-05-12Underwater operations in progress until further notice by cableship wave sentinel vicinity 53-55.24N…
- HYDROLANT 851/09 · Cable ops2009-05-08 → 2009-05-09Underwater operations in progress until further notice by cableship wave sentinel vicinity 53-50.07N…
- HYDROLANT 811/09 · Cable ops2009-05-01 → 2009-05-05Underwater operations in progress until further notice by cableship wave sentinel vicinity 53-50.07N…
- HYDROLANT 810/09 · Cable ops2009-05-01 → 2009-05-01Underwater operations in progress until further notice by cableship wave sentinel vicinity 53-55.238N…
- HYDROLANT 765/09 · Surveys2009-04-24 → 2009-05-22Survey operations in progress until further notice by M/V fugro commander in area bound by 53-25N 003-36W,…
- HYDROLANT 653/09 · Nav aids2009-04-04 → 2009-04-07Nga chart 36006 (1ST ed)
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.