Incidents · distress

Distress signal received on 406 mhz in 07-56.4S 113-48.4E at 171248Z oct

Java Sea · HYDROPAC 1802/07

What this record establishes

Archived notice · 2007-12-07 18:24Z

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) · GUAMSARCOORD 171301Z OCT 07.. Issued 2007-10-17 16:20Z. 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: Java Sea. The parsed report position is -7.940, 113.807. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Original warning text

1. DISTRESS SIGNAL RECEIVED ON 406 MHZ IN
   07-56.4S 113-48.4E AT 171248Z OCT. VESSELS
   IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT,
   ASSIST IF POSSIBLE. REPORTS TO US COAST GUARD
   SECTOR GUAM, PHONE: 1 671 355 4910, E-MAIL:
   RCCGUAM@USCG.MIL.
2. CANCEL HYDROPAC 1797/07.

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.
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.
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)

72 within 180 nm since 1999 · 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.

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 2026-09-24 14:54Z; 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.