Geophysical survey until 060259Z nov by M/V reflect aries along trackline joining 35-14.75S 053-10.90W,…
South Atlantic Ocean · HYDROLANT 807/11
What this record establishes
Archived notice · 2011-11-06 03:59Z
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 264/11 120017Z MAY 11.. Issued 2011-05-12 01:42Z. 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 the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Related notices and cancellation links
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2011-05-12 01:42Z
- status
- Archived notice
- self-cancels
- 2011-11-06 03:59Z
- authority
- NAVAREA V 264/11 120017Z MAY 11.
- NAVAREA
- NAVAREA V · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -36.285, -52.973
- vessel
- M/V REFLECT ARIES · 11 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARGENTINA-NORTHEAST COAST. URUGUAY-SOUTHEAST COAST. 1. GEOPHYSICAL SURVEY UNTIL 060259Z NOV BY M/V REFLECT ARIES ALONG TRACKLINE JOINING 35-14.75S 053-10.90W, 36-00.40S 051-48.93W, 35-51.47S 051-50.15W, 35-32.32S 052-26.20W, 35-55.48S 053-01.03W, 36-42.77S 053-31.82W, 36-37.95S 053-37.02W, 36-54.42S 053-09.47W, 36-46.43S 052-54.12W, 36-14.27S 053-48.57W, 36-21.20S 053-46.98W, 36-47.27S 053-01.53W, 36-51.65S 053-06.02W, 36-34.80S 053-34.62W, 36-18.45S 053-30.35W, 36-48.83S 052-33.37W, 36-41.60S 052-23.10W, 36-09.65S 053-17.73W. 6.5 MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 788/11. 3. CANCEL THIS MSG 060359Z NOV.
Reading this warning
- 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.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · other warnings
26 within 180 nm since 1997 · 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.
- Geological operations in progress until further notice by M/V fugro brasilis in area bound by 36-30S…2014-04-12
- F/V primavera XVII in need of assistance due to a crack in hull in 33-58S 052-38W at 082135Z jan2012-01-09
- Fishing tackle marked by buoys anchored in: a. 38-31S 055-13W2008-05-05
- Fishing tackle anchored in areas between: a. 37-16.7S 053-56.2W and 37-14.2S 053-53.0W2006-11-18
- Radiobeacon at cabo polonio light 34-24S 053-47W at reduced power2006-02-01
- Radiobeacon at cabo polonio light 34-24S 053-47W at reduced power2003-11-11
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
23 other warnings listed in force · see all
Record snapshot 2026-09-29 18:41Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.