Derelicts

M/V F7V mercea disabled and adrift in 35-41.90S 052-04.10W

South Atlantic Ocean · HYDROLANT 600/23

What this record establishes

Archived notice · 2023-11-26 02:54Z

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 VI 105/23 181521Z MAR 23.. Issued 2023-03-18 15:43Z. 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
South Atlantic Ocean. The parsed report position is -35.698, -52.068. 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 messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROLANT 594/232023-03-18 · Archived notice
  2. HYDROLANT 600/23 · this notice2023-03-18 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the South Atlantic Ocean →

issued
2023-03-18 15:43Z
status
Archived notice
authority
NAVAREA VI 105/23 181521Z MAR 23.
NAVAREA
NAVAREA VI · named as the source of this relay
sea
South Atlantic Ocean
position
-35.698, -52.068
vessel
M/V F7V MERCEA
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 07.
1. M/V F7V MERCEA DISABLED AND ADRIFT IN
   35-41.90S 052-04.10W.
   VESSELS IN VICINITY REQUESTED TO
   KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE.
   REPORTS TO ANY COASTAL RADIO STATION.
2. CANCEL HYDROLANT 594/23.

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.
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.
Assist if possible
The second half of the standard rescue request: ships able to help are asked to do so.
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.

All warning terms →

Collected reports in this area · derelict & adrift vessels

18 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
23

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

J
F
M
A
M
J
J
A
S
O
N
D

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

6 derelict & adrift vessels listed in force · see all

Record snapshot 2026-10-02 04:36Z; 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.