Wrecks

Dangerous wreck, least depth 9.2 meters, in 11-52.85N 109-10.79E

South China Sea · HYDROPAC 3179/18

What this record establishes

Archived notice · 2019-03-22 12:01Z

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 301240Z AUG 18.. Issued 2018-08-30 13:48Z. 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: South China Sea. The parsed report position is 11.881, 109.180. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the South China Sea →

issued: 2018-08-30 13:48Z
status: Archived notice
authority: HAIPHONG RADIO 301240Z AUG 18.
issued by: HAIPHONG RADIO
sea: South China Sea
position: 11.881, 109.180
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
VIETNAM.
DNC 11.
CHART 93440.
DANGEROUS WRECK, LEAST DEPTH 9.2 METERS, IN
11-52.85N 109-10.79E.

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.
Chart reference: The number of the nautical chart on which the reported position lies.
Dangerous wreck: A sunken vessel close enough to the surface to endanger ships, or wreckage reported in the water.
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.

All warning terms →

Collected reports in this area · wrecks & obstructions

32 within 180 nm since 1998 · 0 in the last 12 months · 2 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.

Dangerous wreck in 10-22.31N 107-46.96E2025-09-19
Sunken wreck exists in 10-22.31N 107-46.96E2025-09-19
F/V sank in 09-32.06N 110-18.43E2024-03-11
Dangerous wreck in 10-29.53N 107-49.64E2019-12-17
Dangerous wreck in 10-24.84N 107-02.39E2019-12-16
Dangerous wreck in 13-45.37N 109-21.68E2019-12-04

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

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 2026-09-29 21:46Z; 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.