Cgoc belfast mf r/t service at tiree 56-30N 006-58W unreliable
Inner Seas off the West Coast of Scotland · HYDROLANT 3074/17
What this record establishes
Archived notice · 2017-11-08 16:50Z
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 1197/17 272050Z SEP 17.. Issued 2017-09-27 21:36Z. 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
- Inner Seas off the West Coast of Scotland. The parsed report position is 56.500, -6.967. 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
- Cgoc belfast mf r/t service at tiree 56-30N 006-58W unreliablecancelled by this notice
- Cancel HYDROLANT 3074/17 and this msg, service restoredlater cancellation notice
Current notices and reporting history in the Inner Seas off the West Coast of Scotland →
- issued
- 2017-09-27 21:36Z
- status
- Archived notice
- authority
- WZ 1197/17 272050Z SEP 17.
- issued by
- WZ
- sea
- Inner Seas off the West Coast of Scotland
- position
- 56.500, -6.967
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF THE HEBRIDES. SCOTLAND-WEST COAST. DNC 19, DNC 20. 1. CGOC BELFAST MF R/T SERVICE AT TIREE 56-30N 006-58W UNRELIABLE. 2. CANCEL HYDROLANT 2514/17.
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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Collected reports in this area · aids-to-navigation notices
1813 within 180 nm since 1998 · 7 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.
- Dubh artach light 56-08.0N 006-38.1W unreliable2026-09-17
- Dubh artach light 56-08.00N 006-38.10W unreliable2026-09-16
- RACON at hyskeir light 56-58.20N 006-40.80W inoperative2026-08-28
- Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-24
- Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-16
- Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
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 2026-10-02 03:42Z; 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.