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
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
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 1538/01 · Cable ops2001-05-26 → 2001-05-28Underwater operations in progress until further notice by cableship atlantida with submersible vicinity of…
- HYDROLANT 1530/01 · Other2001-05-26 → 2001-05-26Red flare sighted vicinity 52-10N 005-20W at 260300Z
- HYDROLANT 1485/01 · Cable ops2001-05-23 → 2001-05-26Underwater operations in progress until further notice by cableship atlantida with submersible vicinity of…
- HYDROLANT 1483/01 · Cable ops2001-05-23 → 2001-05-23Underwater operations in progress until further notice by cableship atlantida with submersible vicinity of…
- HYDROLANT 1463/01 · Cable ops2001-05-20 → 2001-05-21Underwater operations in progress until further notice by cableship atlantida vicinity of trackline between…
- HYDROLANT 1420/01 · Cable ops2001-05-16 → 2001-05-21Underwater operations in progress until further notice by cableship atlantida with submesible vicinity of…
- HYDROLANT 1355/01 · Cable ops2001-05-10 → 2001-05-17Underwater operations in progress until further notice by cableship sovereign vicinity of 53-33.7N 005-15.6W
- HYDROLANT 1335/01 · Nav aids2001-05-07 → 2001-05-25Codling lanby 53-03N 005-41W unlit and fog signal unreliable
- HYDROLANT 1242/01 · Surveys2001-04-24 → 2001-04-26Underwater operations in progress until further notice by M/V havila reel vicinity 53-50N 005-41W
- HYDROLANT 1201/01 · Surveys2001-04-20 → 2001-04-24Underwater operations in progress until further notice by M/V havila reel vicinity 53-47N 004-23W
- HYDROLANT 1200/01 · Cable ops2001-04-20 → 2001-04-22Underwater operations in progress until further notice by cableship monarch vicinity 54-14N 004-43W
- HYDROLANT 1114/01 · Cable ops2001-04-10 → 2001-04-15Underwater operations in progress until further notice by cableship atlantida with submersible vicinity…
- HYDROLANT 1096/01 · Surveys2001-04-08 → 2001-04-13Underwater operations in progress until further notice by M/V havila reel vicinity 53-47.4N 004-23.4W
- HYDROLANT 1071/01 · Cable ops2001-04-05 → 2001-04-06Underwater operations in progress until further notice by cableship atlantida vicinity of trackline between…
- HYDROLANT 1029/01 · Cable ops2001-03-31 → 2001-04-05Underwater operations in progress until further notice by cableship atlantida with submersible within three…
- HYDROLANT 994/01 · Surveys2001-03-27 → 2001-03-28Underwater operations in progress until further notice by M/V havila reel vicinity 52-24N 005-45W
- HYDROLANT 986/01 · Surveys2001-03-27 → 2001-03-27Underwater operations in progress until further notice by M/V havila reel vicinity 53-41N 003-17W
- HYDROLANT 980/01 · Surveys2001-03-26 → 2001-03-27Underwater operations in progress until further notice by M/V havila reel vicinity 53-55N 004-49W
- HYDROLANT 845/01 · Nav aids2001-03-14 → 2001-03-15Whitestone bank buoy 54-25N 004-20W unlit
- HYDROLANT 820/01 · Surveys2001-03-12 → 2001-03-13Underwater operations in progress until further notice by M/V tertnes vicinity 54-15N 004-57W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.