Derelict eight meter vessel partially submerged and adrift in 11-15S 142-56E at 171500Z sep 21
Coral Sea · HYDROPAC 2661/21
What this record establishes
Archived notice · 2021-09-21 06:49Z
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 76/21 180204Z SEP 21.. Issued 2021-09-18 06:49Z. 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 -11.250, 142.933. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2021-09-18 06:49Z
- status
- Archived notice
- self-cancels
- 2021-09-21 06:49Z
- authority
- SEA SAFETY 76/21 180204Z SEP 21.
- issued by
- SEA SAFETY
- sea
- Coral Sea
- position
- -11.250, 142.933
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CORAL SEA. AUSTRALIA. DNC 05. 1. DERELICT EIGHT METER VESSEL PARTIALLY SUBMERGED AND ADRIFT IN 11-15S 142-56E AT 171500Z SEP 21. 2. CANCEL THIS MSG 210649Z SEP 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.
- Semi-submerged
- Floating at or just below the surface, so hard to see by eye or radar.
- 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
52 within 180 nm since 2000 · 1 in the last 12 months · 1 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.
- Derelict ten meter vessel adrift in 11-55.02S 141-54.27E at 020629Z aug2026-08-03
- 25 meter derelict vessel partially submerged and adrift in 10-23.00S 140-40.00E at 270937Z feb2023-02-27
- Derelict eight meter vessel adrift in 11-06.19S 140-19.18E at 220335Z jan2023-01-22
- 30 meter barge partially submerged and adrift in 09-32.10S 140-54.20E at 170210Z jul2022-07-17
- Derelict eight meter raft adrift in 10-11.8S 141-36.7E at 250348Z mar2022-03-25
- Derelict barge adrift in vicinity 11-45S 141-51E at 030800Z2021-09-04
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
- Derelict ten meter vessel adrift in 11-55.02S 141-54.27E at 020629Z augDerelicts · 72.6 nm
Worldwide in the collected sources
6 derelict & adrift vessels listed in force · see all
Record snapshot 2026-10-01 09:37Z; 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.