Derelicts

Derelict M/V southwest mongoose aground

South Atlantic Ocean · HYDROLANT 123/18

What this record establishes

Archived notice · 2018-01-15 14:05Z

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 VII 16/18 110450Z JAN 18.. Issued 2018-01-11 09:11Z. 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 -26.117, 14.933 with a 5.0 nm radius. 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.

  1. HYDROLANT 123/18 · this notice2018-01-11 · Archived notice
  2. HYDROLANT 173/182018-01-15 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the South Atlantic Ocean →

issued
2018-01-11 09:11Z
status
Archived notice
authority
NAVAREA VII 16/18 110450Z JAN 18.
NAVAREA
NAVAREA VII · named as the source of this relay
sea
South Atlantic Ocean
position
-26.117, 14.933 · r 5.0 nm
vessel
M/V SOUTHWEST MONGOOSE · 2 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
NAMIBIA.
DNC 01.
CHART 57400.
DERELICT M/V SOUTHWEST MONGOOSE AGROUND. NAVIGATION
PROHIBITED IN AREA WITHIN FIVE MILES OF
26-07S 014-56E.

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.
Chart reference
The number of the nautical chart on which the reported position lies.
Derelict
An abandoned vessel still afloat and drifting, with no one on board.
Navigation prohibited
Ships may not enter or pass through the area, or a port is closed to traffic.
Within a radius of
A circular area — every position within a stated distance of a point.
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.

All warning terms →

Collected reports in this area · derelict & adrift vessels

7 within 180 nm since 2013 · 0 in the last 12 months · 0 listed in force now

13
15
20
24

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

4 derelict & adrift vessels listed in force · see all

Record snapshot 2026-09-25 17:47Z; 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.