Hydrographic operations in progress until 191800Z apr by M/V rou 22 oyarvide in area bound by 35-03.0S…
Rio de La Plata · HYDROLANT 867/02
What this record establishes
Archived notice · 2002-04-18 04:52Z
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 VI 128/02 141420Z APR 02. Issued 2002-04-14 15:40Z. 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
- Rio de La Plata. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 847/02, 848/02, 849/02, 867/02, 891/02 and this msglater cancellation notice
Current notices and reporting history in the Rio de La Plata →
- issued
- 2002-04-14 15:40Z
- status
- Archived notice
- self-cancels
- 2002-04-19 19:00Z
- authority
- NAVAREA VI 128/02 141420Z APR 02
- NAVAREA
- NAVAREA VI · named as the source of this relay
- sea
- Rio de La Plata
- position
- -35.027, -56.020
- vessel
- M/V ROU 22 OYARVIDE · 29 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC OPERATIONS IN PROGRESS UNTIL 191800Z APR BY M/V ROU 22 OYARVIDE IN AREA BOUND BY 35-03.0S 055-50.3W, 35-04.0S 055-50.3W, 35-01.4S 056-05.0W, 35-00.7S 056-11.5W, 34-59.5S 056-11.5W, 35-00.3S 056-05.0W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 191900Z APR.
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.
- 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 · other warnings
24 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.
- F/V primavera XVII in need of assistance due to a crack in hull in 33-58S 052-38W at 082135Z jan2012-01-09
- Geophysical survey until 060259Z nov by M/V reflect aries along trackline joining 35-14.75S 053-10.90W,…2011-05-12
- 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
- Hydrographic operations 161100Z to 280300Z sep by M/V rou 22 oyarvide in area bound by 34-54.5S 054-00.0W,…2002-09-14
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
21 other warnings listed in force · see all
Record snapshot 2026-10-03 00:45Z; 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.