Distress signal received on 406 mhz in 30-59.80N 120-11.14W
North Pacific Ocean · HYDROPAC 1414/18
What this record establishes
Archived notice · 2018-04-27 12:11Z
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 121940Z APR 18.. Issued 2018-04-12 19:57Z. 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 30.997, -120.186. 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
- 2018-04-12 19:57Z
- status
- Archived notice
- authority
- RCC ALAMEDA 121940Z APR 18.
- issued by
- RCC ALAMEDA
- sea
- North Pacific Ocean
- position
- 30.997, -120.186
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. DNC 13. DISTRESS SIGNAL RECEIVED ON 406 MHZ IN 30-59.80N 120-11.14W. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS TO RCC ALAMEDA, TELEX: 230172343, PHONE: 510 437 3701, E-MAIL: RCCALAMEDA1@USCG.MIL.
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.
- 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.
Collected reports in this area · distress & casualty cases (archived)
53 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.
- Distress signal received on 406 mhz in 29-20.53N 117-49.33W2023-05-11
- Distress signal received on 406 mhz in 32-38.00N 118-13.00W2022-08-06
- Vessel, white hull, capsized and adrift in vicinity 31-35.7N 117-56.9W2021-10-30
- Distress signal received on 406 mhz in 31-48N 120-06W2021-09-15
- Distress signal received on 406 mhz in 31-22N 120-14W2021-07-30
- Distress signal received on 406 mhz in 31-25.7N 122-37.0W2020-09-01
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
Worldwide in the collected sources
0 distress & casualty cases (archived) listed in force · see all
Record snapshot 2026-10-02 02:08Z; 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.