Derelict 41 foot S/V, white hull, adrift in 34-48.42N 124-22.52W
North Pacific Ocean · HYDROPAC 1582/21
What this record establishes
Archived notice · 2021-05-30 15:18Z
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 271507Z MAY 21.. Issued 2021-05-27 15:18Z. 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 34.807, -124.375. 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
- Derelict 41 foot S/V, white hull, adrift in 35-05.11N 124-01.99Wcancelled by this notice
- Derelict 41 foot S/V, white hull, adrift in 34-54.74N 124-14.39Wlater cancellation notice
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 1517/212021-05-21 · Archived notice
- HYDROPAC 1525/212021-05-22 · Archived notice
- HYDROPAC 1537/212021-05-24 · Archived notice
- HYDROPAC 1544/212021-05-24 · Archived notice
- HYDROPAC 1555/212021-05-25 · Archived notice
- HYDROPAC 1570/212021-05-26 · Archived notice
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2021-05-27 15:18Z
- status
- Archived notice
- self-cancels
- 2021-05-30 15:18Z
- authority
- RCC ALAMEDA 271507Z MAY 21.
- issued by
- RCC ALAMEDA
- sea
- North Pacific Ocean
- position
- 34.807, -124.375
- 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. 1. DERELICT 41 FOOT S/V, WHITE HULL, ADRIFT IN 34-48.42N 124-22.52W. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT AND USE CAUTION WHEN TRANSITING. FOR MORE INFORMATION CONTACT USCG SAN FRANCISCO, PHONE: 415 399 3530, E-MAIL: SFOSCC@USCG.MIL. 2. CANCEL HYDROPAC 1570/21. 3. CANCEL THIS MSG 301518Z MAY 21.
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.
- Derelict
- An abandoned vessel still afloat and drifting, with no one on board.
- Adrift
- Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- 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.
Collected reports in this area · derelict & adrift vessels
14 within 180 nm since 2000 · 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.
- Derelict 41 foot S/V, white hull, adrift in 34-48.4N 124-22.5W2021-05-29
- Derelict 41 foot S/V, white hull, adrift in 34-54.74N 124-14.39W2021-05-28
- Derelict 41 foot S/V, white hull, adrift in 35-05.11N 124-01.99W2021-05-26
- Derelict 41 foot S/V, white hull with sails raised, adrift in 35-22.11N 124-15.98W2021-05-25
- Derelict 41 foot S/V, white hull with sails raised, adrift in 35-52.85N 124-20.28W2021-05-24
- Derelict 41 foot S/V, white hull, adrift in vicinity 36-11.58N 124-08.46W2021-05-24
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
6 derelict & adrift vessels listed in force · see all
Record snapshot 2026-10-02 02:02Z; source collection times vary.
Derelicts
Abandoned, disabled or drifting vessels. All current derelict & adrift vessels →
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.