Derelict M/V southwest mongoose aground
South Atlantic Ocean · HYDROLANT 173/18
What this record establishes
Archived notice · 2018-03-22 09:30Z
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 VII 22/18 151405Z JAN 18.. Issued 2018-01-15 14:05Z. 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
- Derelict M/V southwest mongoose agroundcancelled by this notice
- Cancel HYDROLANT 173/18 and this msglater 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.
- HYDROLANT 123/182018-01-11 · Archived notice
- HYDROLANT 173/18 · this notice2018-01-15 · Archived notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2018-01-15 14:05Z
- status
- Archived notice
- authority
- NAVAREA VII 22/18 151405Z 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. 1. DERELICT M/V SOUTHWEST MONGOOSE AGROUND. NAVIGATION PROHIBITED IN AREA WITHIN FIVE MILES OF 26-07S 014-56E. 2. CANCEL HYDROLANT 123/18.
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.
- 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.
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
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.
- F/V penduka bay disabled and adrift in 25-40.30S 013-50.20E2024-05-05
- Derelict M/V southwest mongoose aground2018-01-11
- M/V la quiero possibly disabled2017-03-14
- Derelict 43 foot S/V miscky, white hull, adrift in 26-45S 013-03E2014-01-06
- Derelict lifeboat adrift in 27-41S 015-07E at 151236Z jan2013-01-15
- Ropes from sunken F/V nicole adrift vicinity 23-49.20S 013-20.03E2013-01-01
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
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.