Surveys
Survey operations in progress until 020300Z jun by M/V sonne in area between 05-23.8S 05-16.6N and 035-27.2W…
HYDROLANT 1043/03
What this record establishes
Archived notice · 2003-06-02 04:00Z
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 664/03 290402Z MAY 03. Issued 2003-05-29 06:40Z. 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
- No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- issued
- 2003-05-29 06:40Z
- status
- Archived notice
- self-cancels
- 2003-06-02 04:00Z
- authority
- NAVAREA V 664/03 290402Z MAY 03
- NAVAREA
- NAVAREA V · named as the source of this relay
- vessel
- M/V SONNE · 40 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 020300Z JUN BY M/V SONNE IN AREA BETWEEN 05-23.8S 05-16.6N AND 035-27.2W 035-19.8W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1041/03. 3. CANCEL THIS MSG 020400Z JUN.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- 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.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 03:08Z; 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.