Survey operations in progress until 302159Z jun 23 by M/V emma bardan in area bound by 46-00N 003-00W,…
Bay of Biscay · HYDROLANT 1266/23
What this record establishes
Archived notice · 2023-07-30 22:59Z
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) · AVURNAV BREST 185/23 071632Z JUN 23.. Issued 2023-06-07 19:07Z. 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 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 Bay of Biscay →
- issued
- 2023-06-07 19:07Z
- status
- Archived notice
- self-cancels
- 2023-07-30 22:59Z
- authority
- AVURNAV BREST 185/23 071632Z JUN 23.
- issued by
- AVURNAV BREST
- sea
- Bay of Biscay
- position
- 44.608, -1.983
- vessel
- M/V EMMA BARDAN · 4 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
FRANCE. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 302159Z JUN 23 BY M/V EMMA BARDAN IN AREA BOUND BY 46-00N 003-00W, 46-00N 000-58W, 43-13N 000-58W, 43-13N 003-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 302259Z JUL 23.
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.
- 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
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 27 may thru 01 sep by M/V situla in area bound by 46-08.40N 001-15.23W, 46-06.80N…2023-05-25
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
55 survey operations listed in force · see all
Record snapshot 2026-10-01 01:52Z; 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.