18 foot M/V, gray hull, one person on board, overdue anatahan island (16-22-50N 145-40-36E) to sarigan…
Philippine Sea · HYDROPAC 1877/21
What this record establishes
Archived notice · 2021-07-09 12:29Z
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 251533Z JUN 21.. Issued 2021-06-25 16:25Z. 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
- Philippine Sea. The parsed report position is 16.540, 145.730. 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 reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 1545/212021-05-24 · Archived notice
- HYDROPAC 1546/212021-05-24 · Archived notice
- HYDROPAC 1877/21 · this notice2021-06-25 · Archived notice
Current notices and reporting history in the Philippine Sea →
- issued
- 2021-06-25 16:25Z
- status
- Archived notice
- authority
- RCC GUAM 251533Z JUN 21.
- issued by
- RCC GUAM
- sea
- Philippine Sea
- position
- 16.540, 145.730
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. DNC 12. 18 FOOT M/V, GRAY HULL, ONE PERSON ON BOARD, OVERDUE ANATAHAN ISLAND (16-22-50N 145-40-36E) TO SARIGAN ISLAND (16-42-00N 145-47-00E). 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.
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.
- Overdue vessel
- A vessel has not arrived when expected and has not been heard from; ships are asked to look out for it.
- 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)
132 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 15-22.00N 146-57.00E at 012319Z jul2022-07-02
- Distress signals received on 406 mhz at 080459Z jul in: a. 18-29-02N 158-03-30E2021-07-08
- 25 foot vessel, white hull, three persons on board, taking on water in 16-35N 145-47E at 241945Z may2021-05-24
- 25 foot vessel, white hull, three persons on board, taking on water in 16-35N 145-47E at 241945Z may2021-05-24
- Distress signal received on 406 mhz in vicinity 15-51.5N 146-54.7E at 270730Z feb2021-02-27
- Distress signal received on 406 mhz in 15-36.9N 142-51.6E at 032356Z jan2021-01-04
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 00:50Z; 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.