Oceanographic operations 03 thru 14 nov by M/V antares in area bound by 20-40S 040-00W, 20-40S 029-25W,…
South Atlantic Ocean · HYDROLANT 2057/03
What this record establishes
Archived notice · 2003-11-15 00:00Z
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 1257/03 011233Z NOV 03. Issued 2003-11-01 13:35Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2003-11-01 13:35Z
- status
- Archived notice
- authority
- NAVAREA V 1257/03 011233Z NOV 03
- NAVAREA
- NAVAREA V · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -20.171, -34.605
- vessel
- M/V ANTARES · 82 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS 03 THRU 14 NOV BY M/V ANTARES IN AREA BOUND BY 20-40S 040-00W, 20-40S 029-25W, 19-40S 029-30W, 19-40S 039-30W. THREE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 15 NOV.
Reading this warning
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · survey operations
9 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.
- Survey operations in progress until 05 nov by M/V nho cruzeiro do sul towing two 500 meter long cables in…2021-10-17
- Survey operations 20 thru 25 apr by M/V oceanic sirius towing 12 11112 meter cables in area bound by…2021-04-20
- Survey operations in progress until 27 nov by M/V ramform titan towing 14 10000 meter cables in area bound…2020-11-24
- Hydrographic survey 16 thru 23 jul by M/V ocean endeavour in area bound by 23-59.87S 041-19.42W, 20-16.51S…2016-07-15
- Oceanographic operations 19 thru 27 nov by M/V antares in area bound by 19-40S 039-30W, 19-00S 029-30W,…2003-11-16
- Oceanographic operations 19 thru 31 oct by M/V antares in area bound by 20-40S 040-00W, 21-30S 040-15W,…2003-10-18
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
- 18.3 meter depth reported in 20-35.71S 034-46.07WWrecks · 27 nm
Worldwide in the collected sources
50 survey operations listed in force · see all
Record snapshot 2026-09-24 21:44Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.