Survey operations in progress until further notice by M/V confidante within 2.5 miles of 51-14N 001-51E
North Sea · HYDROLANT 691/03
What this record establishes
Archived notice · 2003-04-09 13:25Z
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) · WZ 467/03 030541Z APR 03. Issued 2003-04-03 08:20Z. 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
- North Sea. The parsed report position is 51.233, 1.850 with a 2.5 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 691/03, operations completedlater cancellation notice
- issued
- 2003-04-03 08:20Z
- status
- Archived notice
- authority
- WZ 467/03 030541Z APR 03
- issued by
- WZ
- sea
- North Sea
- position
- 51.233, 1.850 · r 2.5 nm
- vessel
- M/V CONFIDANTE · 15 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V CONFIDANTE WITHIN 2.5 MILES OF 51-14N 001-51E. WIDE BERTH REQUESTED.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
Collected reports in this area · survey operations
469 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.
- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- Survey operations 15 sept thru 20 oct by M/V thlassa in vicinity of trackline joining 48-30.00N 006-00.00W,…2022-09-14
- Underwater operations in progress until further notice by M/V uilenspiegel and c/s responder in vicinity of…2022-07-18
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 51-22.80N…2022-07-16
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 50-46.80N…2022-07-12
- Underwater operations in progress until further notice by M/V uilenspiegel in vicinity of trackline joining…2022-07-09
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 11:00Z; 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.