Obstruction reported, 45 meter pontoon anchored in 35-16.16S 137-04.95E
Great Australian Bight · HYDROPAC 231/24
What this record establishes
Archived notice · 2024-04-08 07:21Z
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 29/24 190907Z JAN 24.. Issued 2024-01-19 10:12Z. 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 -35.269, 137.083. 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 231/24 and this msg, wreck removedlater cancellation notice
These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.
- HYDROPAC 231/24 · this notice2024-01-19 · Archived notice
- HYDROPAC 1120/242024-04-08 · Archived notice
Current notices and reporting history in the Great Australian Bight →
- issued
- 2024-01-19 10:12Z
- status
- Archived notice
- authority
- AUSCOAST 29/24 190907Z JAN 24.
- issued by
- AUSCOAST
- sea
- Great Australian Bight
- position
- -35.269, 137.083
- 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. OBSTRUCTION REPORTED, 45 METER PONTOON ANCHORED IN 35-16.16S 137-04.95E. ONE MILE BERTH REQUESTED.
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.
- Submerged obstruction
- Something on or near the seabed that could damage a ship, an anchor or fishing gear — its nature often unknown.
- 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.
Collected reports in this area · wrecks & obstructions
6 within 180 nm since 2016 · 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.
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
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-10-03 03:15Z; source collection times vary.
Wrecks
Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →
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.