Four mooring buoys adrift in vicinity 11-28S 139-18E at 100952Z dec
Arafura Sea · HYDROPAC 3573/21
What this record establishes
Archived notice · 2021-12-13 12:18Z
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) · SEA SAFETY 128/21 101051Z DEC 21.. Issued 2021-12-10 12:18Z. 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
- Arafura Sea. The parsed report position is -11.467, 139.300. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2021-12-10 12:18Z
- status
- Archived notice
- self-cancels
- 2021-12-13 12:18Z
- authority
- SEA SAFETY 128/21 101051Z DEC 21.
- issued by
- SEA SAFETY
- sea
- Arafura Sea
- position
- -11.467, 139.300
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF CARPENTARIA. DNC 05. 1. FOUR MOORING BUOYS ADRIFT IN VICINITY 11-28S 139-18E AT 100952Z DEC. 2. CANCEL THIS MSG 131218Z DEC 21.
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.
- Adrift
- Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · drifting objects
20 within 180 nm since 2000 · 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.
- Buoy with rope adrift in vicinity 09-49.1S 137-06.6E at 090805Z mar2021-03-09
- Ten meter log adrift in vicinity 10-33.14S 142-04.13E at 242053Z jan 202020-01-25
- Six meter long fishing net adrift vicinity 09-29S 141-34E at 232342Z sep2014-09-24
- 75 meter long fishing net adrift in 09-46.08S 141-38.60E at 030546Z mar2014-03-03
- Fishing net adrift in 12-36.25S 141-22.10E at 262200Z feb2014-02-26
- Ten meter log adrift vicinity 10-08.8S 137-29.5E at 120830Z mar2012-03-12
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
3 drifting objects listed in force · see all
Record snapshot 2026-10-02 00:55Z; source collection times vary.
Debris
Logs, buoys, mooring gear and other objects adrift. All current drifting objects →
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.