Australia-northwest Coast
Indian Ocean · HYDROPAC 401/13
What this record establishes
Archived notice · 2013-02-10 07:03Z
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 32/13 100204Z FEB 13.. Issued 2013-02-10 02:22Z. 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
- Indian Ocean. The parsed report position is -21.350, 113.518. 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
- issued
- 2013-02-10 02:22Z
- status
- Archived notice
- authority
- AUSCOAST 32/13 100204Z FEB 13.
- issued by
- AUSCOAST
- sea
- Indian Ocean
- position
- -21.350, 113.518
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
AUSTRALIA-NORTHWEST COAST. CHART 74520 PLATFORM ESTABLISHED IN 21-21.01S 113-31.09E.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- 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.
Collected reports in this area · offshore structure notices
2 within 180 nm since 2011 · 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.
- Nga chart 74510 (2ND ed)2011-03-12
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
Worldwide in the collected sources
2 offshore structure notices listed in force · see all
Record snapshot 2026-10-02 21:29Z; source collection times vary.
Structures
Platforms, wind turbines and fish farms established, under construction or removed. All current offshore structure 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.