Distress signal received on 406 mhz in 10-47.8N 100-16.6W
North Pacific Ocean · HYDROPAC 1696/15
What this record establishes
Archived notice · 2015-06-04 14:28Z
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 221548Z MAY 15.. Issued 2015-05-22 17:05Z. 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 10.797, -100.277. 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
- Cancel HYDROPAC 1826/15, false alertlater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2015-05-22 17:05Z
- status
- Archived notice
- authority
- RCC ALAMEDA 221548Z MAY 15.
- issued by
- RCC ALAMEDA
- sea
- North Pacific Ocean
- position
- 10.797, -100.277
- 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, DNC 14. DISTRESS SIGNAL RECEIVED ON 406 MHZ IN 10-47.8N 100-16.6W. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS TO U.S. COAST GUARD ALAMEDA, TELEX: 230172343, PHONE: 510 437 3701, E-MAIL: RCCALAMEDA@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.
Collected reports in this area · distress & casualty cases (archived)
41 within 180 nm since 2010 · 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.
- 60 foot S/V defiant, white hull, one person on board, overdue2023-07-21
- Distress signal received in 08-02.32N 099-36.94W2021-08-27
- Distress signal received on 406 mhz from aircraft in 13-10.3N 101-56.9W2020-11-22
- Distress signal received from M/V fleet in 12-00N 098-01W2019-06-28
- Distress signal received on 406 mhz in 10-39.1N 099-16.5W2018-09-21
- Distress signal received in 10-04.7N 102-37.4W2017-02-06
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 04:36Z; 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.