16.4 meter shoal reported in 01-05.6N 104-09.8E
South China Sea · HYDROPAC 3568/18
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) · NAVAREA XI 506/18 281220Z SEP 18.. Issued 2018-09-28 16:36Z. 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 1.093, 104.163. 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
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 3568/18 · this notice2018-09-28 · Archived notice
- HYDROPAC 506/192019-02-14 · Archived notice
- HYDROPAC 561/192019-02-18 · Archived notice
Current notices and reporting history in the South China Sea →
- issued
- 2018-09-28 16:36Z
- status
- Archived notice
- authority
- NAVAREA XI 506/18 281220Z SEP 18.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- South China Sea
- position
- 1.093, 104.163
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. INDONESIA. DNC 03. CHART 71265. 16.4 METER SHOAL REPORTED IN 01-05.6N 104-09.8E.
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.
- Shoal / reported depth
- Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
- 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.
Collected reports in this area · wrecks & obstructions
28 within 180 nm since 1999 · 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.
- Sultan shoal light 01-14.4N 103-38.9E temporarily removed2021-12-05
- Dangerous wreck in 01-20.0N 104-21.0E2019-02-18
- Dangerous wreck in 01-20.3N 104-21.4E2019-02-14
- Dangerous wreck, least depth 12.6 meters, marked by isolated danger buoy, in 01-25.92N 104-27.39E2017-03-15
- 13.1 meter depth reported in 01-15.6S 105-47.2E2016-05-04
- Vessel mt polai sank vicinity 01-17.7N 104-10.7E2011-03-10
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
- Submarine cable repairing works by c/v peter faber, 23 sep to until further noticeCable ops · 11.3 nm
- Batu berhanti isolated danger marks light buoy, 01-11.76N 103-52.51E, temporarily removedNav aids · 18.4 nm
- Batu berhanti isolated danger light buoy 01-11.76N 103-52.51E temporarily removedNav aids · 18.4 nm
Worldwide in the collected sources
37 wrecks & obstructions listed in force · see all
Record snapshot 2026-09-24 22:50Z; 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.