45 meter pontoon marked with radar reflectors and white flashing lights at anchor until 290001Z feb in…
Great Australian Bight · HYDROPAC 434/24
What this record establishes
Archived notice · 2024-02-25 00:56Z
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) · AUSCOAST 46/24 030818Z FEB 24.. Issued 2024-02-05 18:54Z. 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
- Great Australian Bight. The parsed report position is -35.871, 138.617. 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 HYDROPAC 434/24 and this msg, operations completedlater cancellation notice
Current notices and reporting history in the Great Australian Bight →
- issued
- 2024-02-05 18:54Z
- status
- Archived notice
- self-cancels
- 2024-02-29 01:00Z
- authority
- AUSCOAST 46/24 030818Z FEB 24.
- issued by
- AUSCOAST
- sea
- Great Australian Bight
- position
- -35.871, 138.617
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GREAT AUSTRALIAN BIGHT. AUSTRALIA. DNC 05. 1. 45 METER PONTOON MARKED WITH RADAR REFLECTORS AND WHITE FLASHING LIGHTS AT ANCHOR UNTIL 290001Z FEB IN 35-52.25S 138-37.01E. ONE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 290100Z FEB 24.
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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · other warnings
28 within 180 nm since 1999 · 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.
- Fishing gear reported in 35-20.50S 135-36.50E2025-01-06
- Althorpe islands range, front 35-22.10S 136-51.50E unreliable2022-10-16
- 45 meter sea cage established in 35-36.72S 135-35.12E2022-02-20
- 45 meter sea cage established in 35-36.72S 135-35.12E2022-02-16
- 45 meter sea cage established in 36-08.89S 138-15.19E2022-02-13
- 45 meter sea cage established in 35-51.75S 138-36.93E2022-01-30
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 2026-10-02 04:16Z; 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.