Derelicts

Derelict S/V helena, light blue hull, dismasted and adrift in vicinity 47-40.0N 016-00.1W

North Atlantic Ocean · HYDROLANT 1747/20

What this record establishes

Archived notice · 2020-05-26 14:43Z

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) · UK COAST GUARD 231717Z MAY 20.. Issued 2020-05-23 17:43Z. 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 Atlantic Ocean. The parsed report position is 47.667, -16.002. 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 Atlantic Ocean →

issued: 2020-05-23 17:43Z
status: Archived notice
self-cancels: 2020-05-26 14:43Z
authority: UK COAST GUARD 231717Z MAY 20.
issued by: UK COAST GUARD
sea: North Atlantic Ocean
position: 47.667, -16.002
vessel: S/V HELENA · 4 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
DNC 08.
1. DERELICT S/V HELENA, LIGHT BLUE HULL,
   DISMASTED AND ADRIFT IN VICINITY
   47-40.0N 016-00.1W. VESSELS IN VICINITY
   REQUESTED TO KEEP A SHARP LOOKOUT. REPORTS
   TO UK COAST GUARD,
   PHONE: 44 344 382 0025,
   E-MAIL: UKMRCC@HMCG.GOV.UK.
2. CANCEL THIS MSG 261443Z MAY 20.

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.
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.

All warning terms →

Collected reports in this area · derelict & adrift vessels

19 within 180 nm since 2001 · 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

Pap odas buoy relocated to 48-56.30N 016-22.50WNav aids · 77.8 nm

Worldwide in the collected sources

6 derelict & adrift vessels listed in force · see all

Record snapshot 2026-10-02 07:48Z; 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.