All navigational aids inoperative at platform 42/30-ST3 54-04.30N 000-54.80E and platform 43/26-ST2 54-03.0N…
North Sea · HYDROLANT 252/23
What this record establishes
Archived notice · 2023-02-02 17:17Z
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 85/23 311423Z JAN 23.. Issued 2023-01-31 15:00Z. 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 Sea. The parsed report position is 54.061, 0.973. 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
- All navigational aids at platform 42/30-ST3 54-04.30N 000-54.80E inoperativecancelled by this notice
- Cancel HYDROLANT 252/23 and this msglater cancellation notice
- issued
- 2023-01-31 15:00Z
- status
- Archived notice
- authority
- WZ 85/23 311423Z JAN 23.
- issued by
- WZ
- sea
- North Sea
- position
- 54.061, 0.973
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. ENGLAND. DNC 20. 1. ALL NAVIGATIONAL AIDS INOPERATIVE AT PLATFORM 42/30-ST3 54-04.30N 000-54.80E AND PLATFORM 43/26-ST2 54-03.0N 001-02.0E. 2. CANCEL HYDROLANT 239/23.
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.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
- 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.
- 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 · other warnings
241 within 180 nm since 1997 · 0 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.
- Fog signal inoperable at turbines: a. R34, 53-59.10N 001-27.00E2023-04-17
- 600 meter long tow cable adrift in 51-08.3N 001-36.2E at 182344Z mar2022-03-19
- All navigational aids inoperative at platform 49/27-J 53-02.0N 002-13.1E2021-12-29
- All navigational aids inoperative at platforms: a. 49/27-J 53-02.0N 002-13.1E2021-12-28
- All navigational aids at platforms inoperative2021-12-26
- All navigational aids inoperative at platforms: a. 49/27-FD/P 53-02.4N 002-18.9E2021-09-17
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
23 other warnings listed in force · see all
Record snapshot 2026-10-01 17:40Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.