Derelict 12 meter S/V, blue hull, adrift in vicinity 18-01.60S 154-02.90E at 051850Z sep
Coral Sea · HYDROPAC 2859/23
What this record establishes
Archived notice · 2023-09-08 20:03Z
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) · SEA SAFETY 40/23 051946Z SEP 23.. Issued 2023-09-05 20:14Z. 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
- Coral Sea. The parsed report position is -18.027, 154.048. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2023-09-05 20:14Z
- status
- Archived notice
- self-cancels
- 2023-09-08 20:03Z
- authority
- SEA SAFETY 40/23 051946Z SEP 23.
- issued by
- SEA SAFETY
- sea
- Coral Sea
- position
- -18.027, 154.048
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CORAL SEA. DNC 05. 1. DERELICT 12 METER S/V, BLUE HULL, ADRIFT IN VICINITY 18-01.60S 154-02.90E AT 051850Z SEP. 2. CANCEL THIS MSG 082003Z SEP 23.
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
4 within 180 nm since 2003 · 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.
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 2026-10-02 04:04Z; 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.