Incidents · distress

Distress signal received on 406 mhz in vicinity 09-49.74N 114-24.72E at 070145Z may

South China Sea · HYDROPAC 1520/24

What this record establishes

Cancelled notice · 2026-08-14 18:10Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · MRCC SINGAPORE 0/24 070825Z MAY 24.. Issued 2024-05-07 08:34Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-17 15:50Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
South China Sea. The parsed report position is 9.829, 114.412. 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 855/242024-03-14 · Archived notice
  2. HYDROPAC 1034/242024-03-31 · Archived notice
  3. HYDROPAC 1520/24 · this notice2024-05-07 · Cancelled notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the South China Sea

issued
2024-05-07 08:34Z
status
Cancelled notice
authority
MRCC SINGAPORE 0/24 070825Z MAY 24.
sea
South China Sea
position
9.829, 114.412
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

SOUTH CHINA SEA.
DNC 11.
DISTRESS SIGNAL RECEIVED ON 406 MHZ IN VICINITY
09-49.74N 114-24.72E AT 070145Z MAY. VESSELS IN
VICINITY REQUESTED TO KEEP A SHARP LOOKOUT,
ASSIST IF POSSIBLE. REPORTS TO MRCC SINGAPORE,
PHONE: 656 226 5539, EMAIL: 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.
MRCC (Maritime Rescue Coordination Centre)
A rescue coordination centre for maritime cases only, such as MRCC Fort-de-France or MRCC Vietnam.

All warning terms →

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

355 within 180 nm since 2000 · 3 in the last 12 months · 0 listed in force now

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

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

Record snapshot 2026-09-24 13:09Z; 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.