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 1400/11 · Nav aids2011-09-03 → 2011-12-16Nga chart 36025 (1ST ed) platform DP8 53-53.5N 003-37.5W fog signal inoperative
- HYDROLANT 1394/11 · Cable ops2011-09-02 → 2011-09-09Underwater operations in progress until further notice by cableship wave sentinel vicinity of trackline…
- HYDROLANT 1336/11 · Nav aids2011-08-23 → 2011-08-23Nga chart 36002 (0 ed)
- HYDROLANT 1335/11 · Nav aids2011-08-22 → 2011-08-23Nga chart 36002 (0 ed)
- HYDROLANT 1299/11 · Surveys2011-08-17 → 2011-08-24Underwater operations in progress until further notice by M/V kingdom of fife along trackline between…
- HYDROLANT 1269/11 · Nav aids2011-08-11 → 2011-08-11Mf dsc stations off air: a. blaenplwyf 52-22N 004-06W
- HYDROLANT 1265/11 · Nav aids2011-08-10 → 2011-10-08Isle of man
- HYDROLANT 1221/11 · Nav aids2011-08-01 → 2011-08-08Isle of man
- HYDROLANT 1029/11 · Nav aids2011-06-21 → 2011-06-24Nga chart 36002 (0 ed)
- HYDROLANT 1020/11 · Nav aids2011-06-20 → 2011-06-23Nga chart 36025 (1ST ed)
- HYDROLANT 943/11 · Nav aids2011-06-05 → 2011-09-03Nga chart 37010 (23RD ed) 1. platform DP8 53-53.5N 003-37.5W fog signal inoperative
- HYDROLANT 932/11 · Nav aids2011-06-03 → 2011-06-05Dsc station blaenplwyf 52-22N 004-06W mf dsc off air
- HYDROLANT 929/11 · Nav aids2011-06-03 → 2011-06-03Dsc stations mf dsc off air: 1. blaenplwyf 52-22N 004-06W
- HYDROLANT 508/11 · Derelicts2011-03-26 → 2011-03-29Derelict 11 meter vessel adrift vicinity 53-44.5N 003-47.6W at 262027Z mar
- HYDROLANT 502/11 · Surveys2011-03-25 → 2011-03-29Underwater operations in progress until further notice by M/V odyssey explorer vicinity 53-27.5N 003-32.2W
- HYDROLANT 462/11 · Surveys2011-03-21 → 2011-03-24Underwater operations in progress until further notice by M/V odyssey explorer vicinity 53-27.5N 003-32.2W
- HYDROLANT 454/11 · Nav aids2011-03-19 → 2011-03-19Nga chart 36002 (0 ed)
- HYDROLANT 388/11 · Nav aids2011-03-08 → 2011-03-24Nga chart 36006 (1ST ed)
- HYDROLANT 371/11 · Other2011-03-05 → 2011-03-08Nga chart 36025 (1ST ed)
- HYDROLANT 356/11 · Other2011-03-02 → 2011-03-05Nga chart 36025 (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.