Incidents · distress

Distress signal received from vessel in vicinity 08-46-23N 109-04-08E at 040851Z jan

South China Sea · HYDROPAC 36/21

What this record establishes

Archived notice · 2021-01-22 13:58Z

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) · SINGAPORE PORT OPERATIONS CONTROL CENTER 040949Z JAN 21.. Issued 2021-01-04 09:57Z. 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 8.773, 109.069. 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 3766/202020-12-21 · Archived notice
  2. HYDROPAC 3777/202020-12-21 · Archived notice
  3. HYDROPAC 3794/202020-12-22 · Archived notice
  4. HYDROPAC 3804/202020-12-23 · Archived notice
  5. HYDROPAC 3806/202020-12-23 · Archived notice
  6. HYDROPAC 36/21 · this notice2021-01-04 · Archived notice
Compare all 10 notices, changes and original texts →

Current notices and reporting history in the South China Sea →

issued
2021-01-04 09:57Z
status
Archived notice
authority
SINGAPORE PORT OPERATIONS CONTROL CENTER 040949Z JAN 21.
issued by
SPOCC
sea
South China Sea
position
8.773, 109.069
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.
DISTRESS SIGNAL RECEIVED FROM VESSEL IN VICINITY
08-46-23N 109-04-08E AT 040851Z JAN.
VESSELS IN VICINITY REQUESTED TO KEEP A SHARP
LOOKOUT, ASSIST IF POSSIBLE.
REPORTS TO SINGAPORE PORT OPERATIONS CONTROL
CENTER,
TELEX: 20021,
PHONE: 656 226 5539,
FAX: 656 227 9971,
E-MAIL: POCC@MPA.GOV.SG.

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.
Distress signal received
A rescue centre has received an alert — from a beacon, a radio call or a satellite terminal — and is asking ships to look.
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.
Keep a sharp lookout
A request to every ship in the area to watch for the vessel, people or object described.
Assist if possible
The second half of the standard rescue request: ships able to help are asked to do so.

All warning terms →

Collected reports in this area · distress & casualty cases (archived)

978 within 180 nm since 1998 · 8 in the last 12 months · 0 listed in force now

98
00
05
10
15
20
25
26

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

0 distress & casualty cases (archived) listed in force · see all

Record snapshot 2026-10-02 14:48Z; source collection times vary.

Incidents

Search-and-rescue broadcasts, published only once a case has been closed for 30 days: groundings, sinkings, capsizes, fires, man overboard, overdue vessels. Nothing here is live. All current distress & casualty cases (archived) →

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.