Derelicts

F/V kyeongdeokho nr 522 adrift in 35-44.9N 125-48.7E at 210001Z apr

Yellow Sea · HYDROPAC 1396/17

What this record establishes

Archived notice · 2017-04-24 03:13Z

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 264/17 210138Z APR 17.. Issued 2017-04-21 03:18Z. 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
Yellow Sea. The parsed report position is 35.748, 125.812. 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 1355/172017-04-18 · Archived notice
  2. HYDROPAC 1396/17 · this notice2017-04-21 · Archived notice
  3. HYDROPAC 1429/172017-04-24 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Yellow Sea →

issued
2017-04-21 03:18Z
status
Archived notice
self-cancels
2017-04-24 03:13Z
authority
NAVAREA XI 264/17 210138Z APR 17.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Yellow Sea
position
35.748, 125.812
vessel
F/V KYEONGDEOKHO NR 522 · 3 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
DNC 23.
1. F/V KYEONGDEOKHO NR 522 ADRIFT IN
   35-44.9N 125-48.7E AT 210001Z APR.
2. CANCEL HYDROPAC 1355/17.
3. CANCEL THIS MSG 240313Z APR 17.

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.
Adrift
Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
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.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · derelict & adrift vessels

11 within 180 nm since 2001 · 0 in the last 12 months · 0 listed in force now

01
05
10
15
17

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

5 derelict & adrift vessels listed in force · see all

Record snapshot 2026-09-24 23:09Z; source collection times vary.

Derelicts

Abandoned, disabled or drifting vessels. All current derelict & adrift vessels →

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.