Incidents · overdue

16 foot vessel, one person on board, unreported

North Pacific Ocean · HYDROPAC 187/20

What this record establishes

Archived notice · 2020-01-31 14:45Z

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) · RCC GUAM 170722Z JAN 20.. Issued 2020-01-17 08:21Z. 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
North Pacific Ocean. The parsed report position is 4.757, 153.676. 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 messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROPAC 179/202020-01-16 · Archived notice
  2. HYDROPAC 187/20 · this notice2020-01-17 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the North Pacific Ocean →

issued
2020-01-17 08:21Z
status
Archived notice
authority
RCC GUAM 170722Z JAN 20.
issued by
RCC GUAM
sea
North Pacific Ocean
position
4.757, 153.676
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. 16 FOOT VESSEL, ONE PERSON ON BOARD, UNREPORTED.
   LAST KNOWN POSITION IN 04-45.40N 153-40.58E.
   VESSELS IN VICINITY REQUESTED TO KEEP A SHARP
   LOOKOUT, ASSIST IF POSSIBLE.
   REPORTS TO RCC GUAM,
   PHONE: 671 355 4824, E-MAIL: RCCGUAM@USCG.MIL.
2. CANCEL HYDROPAC 179/20.

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.
Persons on board (POB)
The number of people reported aboard a vessel in distress, overdue or missing.
Last known position
The most recent confirmed position of a missing vessel or person — the starting point of a search.
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.
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.
RCC / JRCC (Rescue Coordination Centre)
The centre that organises search and rescue in its region; warnings ask ships to send their reports there.
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 · distress & casualty cases (archived)

70 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 01:56Z; 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.