Derelict vessel os mocofaias adrift in 20-21S 040-07W at 241600Z may
South Atlantic Ocean · HYDROLANT 1771/20
What this record establishes
Archived notice · 2020-05-29 03:18Z
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 V COASTAL E 406/20 260205Z MAY 20.. Issued 2020-05-26 03:18Z. 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 -20.350, -40.117. 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.
- HYDROLANT 1520/202020-05-04 · Archived notice
- HYDROLANT 1749/202020-05-23 · Archived notice
- HYDROLANT 1771/20 · this notice2020-05-26 · Archived notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2020-05-26 03:18Z
- status
- Archived notice
- self-cancels
- 2020-05-29 03:18Z
- authority
- NAVAREA V COASTAL E 406/20 260205Z MAY 20.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V COASTAL E
- sea
- South Atlantic Ocean
- position
- -20.350, -40.117
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. DERELICT VESSEL OS MOCOFAIAS ADRIFT IN 20-21S 040-07W AT 241600Z MAY. 2. CANCEL THIS MSG 290318Z 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.
- 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.
- 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
59 within 180 nm since 1999 · 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 vessel adrift in vicinity 19-37.30S 038-48.70W2024-01-24
- Derelict vessel adrift in vicinity 21-33.82S 040-43.64W at 101601Z sep 222022-09-15
- Derelict vessel adrift in 22-02.16S 039-46.38W at 141107Z jul2022-07-17
- Derelict vessel adrift in 22-39.68S 040-24.53W at 130945Z jun2022-06-29
- Vessel adrift in 23-02.04S 040-46.17W on 07 apr2022-04-07
- Derelict vessel adrift in vicinity 22-15.5S 040-34.4W at 191200Z jan2022-01-19
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
- Underwater operations 0800Z to 1800Z daily 26 sep thru 10 oct by M/V comando b in 20-23.78S 040-09.43WSurveys · 3.6 nm
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 28.5 nm
- Underwater operations 0800Z to 1800Z daily 26 sep thru 10 oct by M/V comando b in 19-51.63S 039-56.90WSurveys · 30.9 nm
Worldwide in the collected sources
6 derelict & adrift vessels listed in force · see all
Record snapshot 2026-10-02 10:21Z; 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.