Derelict S/V adrift vicinity 20-35.5N 033-56.4W at 170705Z mar
North Atlantic Ocean · HYDROLANT 442/11
What this record establishes
Archived notice · 2011-03-20 15:30Z
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) · NAVAREA II 75/11 171415Z MAR 11.. Issued 2011-03-17 15:29Z. 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 20.592, -33.940. 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 S/V adrift vicinity 20-32.5N 033-46.4W at 150050Z marcancelled by this 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.
- HYDROLANT 422/112011-03-15 · Archived notice
- HYDROLANT 442/11 · this notice2011-03-17 · Archived notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2011-03-17 15:29Z
- status
- Archived notice
- self-cancels
- 2011-03-20 15:30Z
- authority
- NAVAREA II 75/11 171415Z MAR 11.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 20.592, -33.940
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC. 1. DERELICT S/V ADRIFT VICINITY 20-35.5N 033-56.4W AT 170705Z MAR. 2. CANCEL HYDROLANT 422/11. 3. CANCEL THIS MSG 201530Z MAR.
Reading this warning
- 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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · derelict & adrift vessels
12 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 S/V adrift in vicinity 18-54.4N 034-41.1W at 191500Z jan2022-01-19
- Derelict S/V bb adrift in vicinity 20-23.26N 036-11.27W2018-12-14
- Derelict ten meter S/V, white hull, adrift vicinity 22-29.92N 032-56.50W at 090557Z jan2015-01-09
- Derelict 23 meter vessel adrift vicinity 21-46N 033-41W at 142014Z jan2014-01-15
- Derelict S/V adrift vicinity 20-32.5N 033-46.4W at 150050Z mar2011-03-15
- Derelict vessel barbery duck adrift vicinity 18-58N 032-32W at 011300Z dec2007-12-01
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
5 derelict & adrift vessels listed in force · see all
Record snapshot 2026-09-25 01:53Z; 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.