Wrecks

Dangerous wreck in 01-20.0N 104-21.0E

Singapore Strait · HYDROPAC 561/19

What this record establishes

Archived notice · 2020-05-22 13:36Z

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 97/19 180431Z FEB 19.. Issued 2019-02-18 04:46Z. 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
Singapore Strait. The parsed report position is 1.333, 104.350. 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.

  1. HYDROPAC 3568/182018-09-28 · Archived notice
  2. HYDROPAC 506/192019-02-14 · Archived notice
  3. HYDROPAC 561/19 · this notice2019-02-18 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Singapore Strait →

issued
2019-02-18 04:46Z
status
Archived notice
authority
NAVAREA XI 97/19 180431Z FEB 19.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Singapore Strait
position
1.333, 104.350
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SINGAPORE STRAIT.
MALAYSIA.
DNC 03.
CHART 71440.
1. DANGEROUS WRECK IN 01-20.0N 104-21.0E.
2. CANCEL HYDROPAC 506/19.

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.
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.

All warning terms →

Collected reports in this area · wrecks & obstructions

29 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
21

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

J
F
M
A
M
J
J
A
S
O
N
D

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

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.