Unlit steel obstruction adrift in vicinity 10-15.68S 129-45.42E at 150700Z sep
Timor Sea · HYDROPAC 2628/21
What this record establishes
Archived notice · 2021-09-18 09:15Z
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 72/21 150911Z SEP 21.. Issued 2021-09-15 09:15Z. 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
- Timor Sea. The parsed report position is -10.261, 129.757. 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
- Unlit steel obstruction in 10-14.71S 129-47.83Ecancelled by this notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 2612/212021-09-14 · Archived notice
- HYDROPAC 2628/21 · this notice2021-09-15 · Archived notice
- issued
- 2021-09-15 09:15Z
- status
- Archived notice
- self-cancels
- 2021-09-18 09:15Z
- authority
- SEA SAFETY 72/21 150911Z SEP 21.
- issued by
- SEA SAFETY
- sea
- Timor Sea
- position
- -10.261, 129.757
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
TIMOR SEA. AUSTRALIA-NORTH COAST. DNC 04. 1. UNLIT STEEL OBSTRUCTION ADRIFT IN VICINITY 10-15.68S 129-45.42E AT 150700Z SEP. 2. CANCEL HYDROPAC 2612/21. 3. CANCEL THIS MSG 180915Z 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.
- Unlit / extinguished
- A light, buoy or structure that is not showing its charted light.
- Submerged obstruction
- Something on or near the seabed that could damage a ship, an anchor or fishing gear — its nature often unknown.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · wrecks & obstructions
4 within 180 nm since 2006 · 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
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-10-02 22:26Z; source collection times vary.
Wrecks
Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →
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.