Derelict 10.4 meter M/V bison adrift in vicinity 12-08.1S 137-10.1E at 040742Z jan
Arafura Sea · HYDROPAC 35/21
What this record establishes
Archived notice · 2021-01-07 09:19Z
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 1/21 040835Z JAN 21.. Issued 2021-01-04 09:19Z. 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 -12.135, 137.168. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2021-01-04 09:19Z
- status
- Archived notice
- self-cancels
- 2021-01-07 09:19Z
- authority
- SEA SAFETY 1/21 040835Z JAN 21.
- issued by
- SEA SAFETY
- sea
- Arafura Sea
- position
- -12.135, 137.168
- vessel
- M/V BISON · 3 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF CARPENTARIA. AUSTRALIA-NORTH COAST. DNC 05. 1. DERELICT 10.4 METER M/V BISON ADRIFT IN VICINITY 12-08.1S 137-10.1E AT 040742Z JAN. 2. CANCEL THIS MSG 070919Z JAN 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.
- Derelict
- An abandoned vessel still afloat and drifting, with no one on board.
- 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 · derelict & adrift vessels
36 within 180 nm since 2001 · 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.
- 15 meter F/V adrift in vicinity 09-39.07S 135-58.66E at 292205Z feb2024-03-01
- Five meter vessel adrift in vicinity 10-50.00S 138-53.00E at 010701Z nov2022-11-01
- 20 meter F/V, orange hull, adrift in vicinity 10-11.30S 138-32.01E at 140730Z sep2022-09-14
- Derelict 20 meter vessel adrift in 10-47.3S 135-45.2E at 181107Z jan2021-01-18
- Derelict F/V partially submerged and adrift in 12-12.9S 139-27.2E at 172200Z dec2019-12-18
- Derelict S/V tropicat partially submerged and adrift in 09-25.43S 136-11.26E at 100821Z nov2017-11-10
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
6 derelict & adrift vessels listed in force · see all
Record snapshot 2026-10-01 21:06Z; source collection times vary.
Derelicts
Abandoned, disabled or drifting vessels. All current derelict & adrift vessels →
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.