Incidents · distress

Distress signal received on 406 mhz from M/V zhedaiyu in 26-57N 123-58E at 170220Z nov

Eastern China Sea · HYDROPAC 4147/18

What this record establishes

Archived notice · 2018-11-30 14:31Z

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) · JAPAN COAST GUARD 170105Z NOV 18.. Issued 2018-11-17 02:00Z. 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
Eastern China Sea. The parsed report position is 26.950, 123.967. 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 Eastern China Sea →

issued
2018-11-17 02:00Z
status
Archived notice
authority
JAPAN COAST GUARD 170105Z NOV 18.
issued by
JAPAN COAST GUARD
sea
Eastern China Sea
position
26.950, 123.967
vessel
M/V ZHEDAIYU · 2 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EAST CHINA SEA.
DNC 23.
DISTRESS SIGNAL RECEIVED ON 406 MHZ FROM
M/V ZHEDAIYU IN 26-57N 123-58E AT 170220Z NOV.
VESSELS IN VICINITY REQUESTED TO KEEP A SHARP
LOOKOUT, ASSIST IF POSSIBLE.
REPORTS TO JAPAN COAST GUARD,
PHONE: 814 5663 4999, 812 2365 6957, 815 2651 4999, 
819 9255 4999.

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)

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

99
00
05
10
15
20
23

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 2026-10-02 02:54Z; 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.