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 609/09 · Nav aids2009-03-28 → 2009-03-30Nga chart 36006 (1ST ed)
- HYDROLANT 541/09 · Nav aids2009-03-18 → 2009-03-18Nga chart 36000 (1ST ed)
- HYDROLANT 539/09 · Surveys2009-03-18 → 2009-04-24Survey operations in progress until further notice by M/V fugro commander in area bound by 53-25N 003-36W,…
- HYDROLANT 528/09 · Nav aids2009-03-16 → 2009-03-16Nga chart 36002 (0 ed)
- HYDROLANT 420/09 · Nav aids2009-03-02 → 2009-03-03Nga chart 36006 (1ST ed)
- HYDROLANT 401/09 · Nav aids2009-02-25 → 2009-05-20Nga chart 36025 (1ST ed)
- HYDROLANT 275/09 · Nav aids2009-02-09 → 2009-02-11Nga chart 36006 (1ST ed)
- HYDROLANT 260/09 · Nav aids2009-02-07 → 2009-02-07Nga chart 36006 (1ST ed)
- HYDROLANT 259/09 · Nav aids2009-02-07 → 2009-02-09Nga chart 36026 (1ST ed)
- HYDROLANT 235/09 · Surveys2009-02-04 → 2009-03-18Survey operations in progress until further notice by M/V furgo commander in area bound by 53-29N 003-35W,…
- HYDROLANT 188/09 · Nav aids2009-01-27 → 2009-02-25Nga chart 36025 (1ST ed)
- HYDROLANT 182/09 · Nav aids2009-01-27 → 2009-01-27Nga chart 36025 (1ST ed)
- HYDROLANT 146/09 · Nav aids2009-01-22 → 2009-01-23Nga chart 36006 (1ST ed)
- HYDROLANT 10/09 · Nav aids2009-01-02 → 2009-02-05Nga chart 36006 (1ST ed)
- HYDROLANT 2276/08 · Nav aids2008-12-31 → 2008-12-31Mrcc milford haven 52-00N 004-54W mf dsc off air
- HYDROLANT 2227/08 · Nav aids2008-12-22 → 2008-12-24Nga chart 36002 (0 ed)
- HYDROLANT 2213/08 · Nav aids2008-12-20 → 2008-12-22Nga chart 36002 (0 ed)
- HYDROLANT 2169/08 · Nav aids2008-12-16 → 2009-01-27Nga chart 36025 (1ST ed)
- HYDROLANT 2105/08 · Nav aids2008-12-07 → 2008-12-14Nga chart 36025 (28TH ed)
- HYDROLANT 2085/08 · Nav aids2008-12-04 → 2008-12-04Nga 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.