Incidents · distress

Distress signal recieved on 406 mhz in 17-55.7N 117-09.1W

North Pacific Ocean · HYDROPAC 2239/11

What this record establishes

Archived notice · 2011-08-13 08:56Z

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 ALAMEDA 102033Z AUG 11.. Issued 2011-08-10 21:25Z. 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 17.928, -117.152. 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 North Pacific Ocean →

issued: 2011-08-10 21:25Z
status: Archived notice
authority: RCC ALAMEDA 102033Z AUG 11.
issued by: RCC ALAMEDA
sea: North Pacific Ocean
position: 17.928, -117.152
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
DISTRESS SIGNAL RECIEVED ON 406 MHZ IN
17-55.7N 117-09.1W. VESSELS IN VICINITY
REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST
IF POSSIBLE. REPORTS TO RCC ALAMEDA,
TELEX: 230172343, PHONE: 510 437 3701,
E-MAIL: RCCALAMEDA@USCG.MIL.

Reading this warning

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.
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.

All warning terms →

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

35 within 180 nm since 2009 · 0 in the last 12 months · 0 listed in force now

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.

Distress signal received on 406 mhz in 20-43.0N 116-21.3W2018-08-16
Distress signal received on 406 mhz in 18-51N 117-42W2018-06-23
Distress signal received on 406 mhz in 17-17.9N 116-10.0W2018-02-18
Distress signal received on 406 mhz in 17-00N 119-45W2018-02-15
Distress signal received on 406 mhz in 20-04.0N 115-35.8W2016-12-11
Distress signal received on 406 mhz in 17-06.6N 119-10.4W2016-11-13

Month of issue in the collected archive

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 18:19Z; 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.