Dsc station st anns head 51-40.9N 005-10.5W mf dsc off air
Celtic Sea · HYDROLANT 31/11
What this record establishes
Archived notice · 2011-01-08 00:46Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · WZ 29/10 062029Z JAN 11.. Issued 2011-01-06 21:07Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Celtic Sea. The parsed report position is 51.682, -5.175. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 31/11 and this msg, service restoredlater cancellation notice
- issued
- 2011-01-06 21:07Z
- status
- Archived notice
- authority
- WZ 29/10 062029Z JAN 11.
- issued by
- WZ
- sea
- Celtic Sea
- position
- 51.682, -5.175
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WALES-SOUTHWEST COAST. RADIO SERVICES. DSC STATION ST ANNS HEAD 51-40.9N 005-10.5W MF DSC OFF AIR.
Reading this warning
- DSC (Digital Selective Calling)
- The digital radio alert built into modern marine radios — one button sends a distress alert with the vessel's identity and position.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
Collected reports in this area · aids-to-navigation notices
1706 within 180 nm since 1997 · 2 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Bull point light in 51-12.00N 004-12.10W unreliable2026-09-24
- Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
- Balbriggan island light 53-36.80N 006-10.80W unreliable2024-09-25
- Mf r/t and dsc services at scillies site 49-55.70N 006-18.20W off air2024-09-05
- Fog signal at mumbles head light 51-34.00N 003-58.30W inoperative2024-04-26
- Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-03 18:12Z; source collection times vary.
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.