Mrcc shetland mf r/t and dsc services at collafirth hill site 60-32.00N 001-23.50W off air
North Atlantic Ocean · HYDROLANT 667/24
What this record establishes
Archived notice · 2024-04-04 16:16Z
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 247/24 010501Z APR 24.. Issued 2024-04-01 05:25Z. 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
- North Atlantic Ocean. The parsed report position is 60.533, -1.392. 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 667/24 and this msg, aid restoredlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2024-04-01 05:25Z
- status
- Archived notice
- authority
- WZ 247/24 010501Z APR 24.
- issued by
- WZ
- sea
- North Atlantic Ocean
- position
- 60.533, -1.392
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SHETLAND ISLANDS. DNC 20. MRCC SHETLAND MF R/T AND DSC SERVICES AT COLLAFIRTH HILL SITE 60-32.00N 001-23.50W OFF AIR.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- MRCC (Maritime Rescue Coordination Centre)
- A rescue coordination centre for maritime cases only, such as MRCC Fort-de-France or MRCC Vietnam.
- 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
1053 within 180 nm since 1998 · 1 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.
- Noup head light 59-19.90N 003-04.20W range reduced to 12 miles2026-08-05
- All navigational aids at platform 15/17-A 58-25.00N 000-20.10E inoperative2024-05-01
- Copinsay light 58-53.80N 002-40.20W unreliable2024-02-17
- Cgoc shetland mf dsc services at st margarets hope 58-46.9N 002-56.7W off air2024-01-27
- Mrcc shetland mf r/t and dsc services at collafirth hill site 60-32.00N 001-23.50W off air2024-01-25
- Cgoc shetland mf r/t and dsc services at lerwick site in 60-08.90N 001-08.40W off air2024-01-11
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
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-01 23:03Z; 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.