Cancel HYDROPAC 3999/19 and this msg, wreck removed
Gulf of Thailand · Vietnam · HYDROPAC 4233/19
What this record establishes
Archived notice · 2019-12-23 14:04Z
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) · HAIPHONG RADIO 231327Z DEC 19.. Issued 2019-12-23 14:04Z. 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
- Gulf of Thailand · Vietnam. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Dangerous wreck in vicinity 10-06.4N 104-13.8Ecancelled 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 3999/192019-12-03 · Archived notice
- HYDROPAC 4233/19 · this notice2019-12-23 · Archived notice
- HYDROPAC 137/202020-01-11 · Archived notice
- issued
- 2019-12-23 14:04Z
- status
- Archived notice
- authority
- HAIPHONG RADIO 231327Z DEC 19.
- issued by
- HAIPHONG RADIO
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF THAILAND. VIETNAM. DNC 03. CANCEL HYDROPAC 3999/19 AND THIS MSG, WRECK REMOVED.
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.
- 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.
- Dangerous wreck
- A sunken vessel close enough to the surface to endanger ships, or wreckage reported in the water.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-10-01 18:12Z; 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.