Survey operations by M/V thalassa: a. 05 thru 06 oct in area between 43-20N 003-00W, 43-40N 003-00W
Bay of Biscay · HYDROLANT 1807/05
What this record establishes
Archived notice · 2005-10-12 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 II 308/05 031636Z OCT 05.. Issued 2005-10-03 17:24Z. 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
- Bay of Biscay. The parsed report position is 44.635, -2.071. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Current notices and reporting history in the Bay of Biscay →
- issued
- 2005-10-03 17:24Z
- status
- Archived notice
- authority
- NAVAREA II 308/05 031636Z OCT 05.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Bay of Biscay
- position
- 44.635, -2.071
- vessel
- M/V THALASSA · 139 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS BY M/V THALASSA:
A. 05 THRU 06 OCT IN AREA BETWEEN
43-20N 003-00W, 43-40N 003-00W.
B. 07 THRU 08 OCT IN AREA BOUND BY
43-40N 002-20W, 45-00N 002-20W
45-20N 001-20W, 43-40N 001-20W.
C. 09 THRU 11 OCT IN AREA BOUND BY
44-50N 002-30W, 45-20N 002-30W
46-00N 003-30W, 45-00N 003-00W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 12 OCT.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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
52 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.
- Scientific mooring established in 44-10.03N 002-10.21W2024-07-21
- Scientific moorings, marked by buoys, established in: a. 45-51.50N 002-02.00W2024-07-10
- Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…2024-04-17
- Survey operations 09 thru 13 oct by M/V minibex in area bound by 45-44.78N 001-55.27W, 45-53.86N 002-02.56W,…2023-10-06
- Survey operations in progress until 112200Z oct by M/V emma bardan in area bound by 48-00.00N 005-50.00W,…2023-08-16
- Survey operations in progress until 302159Z jun 23 by M/V emma bardan in area bound by 46-00N 003-00W,…2023-06-07
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
56 survey operations listed in force · see all
Record snapshot 2026-10-03 05:09Z; 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.