Underwater operations 15 feb until further notice by M/V skandi inspector vicinity of areas bound by: a.…
Tyrrhenian Sea · HYDROLANT 254/04
What this record establishes
Archived notice · 2004-03-03 08:20Z
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) · MARISICLIA 35/04 110832A FEB 04. Issued 2004-02-12 11:40Z. 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
- Tyrrhenian Sea. 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
Current notices and reporting history in the Tyrrhenian Sea →
- issued
- 2004-02-12 11:40Z
- status
- Archived notice
- authority
- MARISICLIA 35/04 110832A FEB 04
- issued by
- MARISICLIA
- sea
- Tyrrhenian Sea
- position
- 38.337, 15.729
- vessel
- M/V SKANDI INSPECTOR · 27 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS 15 FEB UNTIL FURTHER NOTICE BY M/V SKANDI INSPECTOR VICINITY OF AREAS BOUND BY: A. 38-16.5N 015-35.6E, 38-16.2N 015-36.9E, 38-16.5N 015-39.0E, 38-15.1N 015-44.2E, 38-15.5N 015-45.5E, 38-16.7N 015-43.0E, 38-17.6N 015-39.0E. B. 38-16.2N 015-36.9E, 38-16.5N 015-35.6E, 38-25.1N 015-48.3E, 38-24.9N 015-52.5E, 38-23.9N 015-51.9E, 38-23.8N 015-50.0E. WIDE BERTH REQUESTED.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
Collected reports in this area · survey operations
219 within 180 nm since 1999 · 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.
- Underwater operations by M/V handin tide with submersible: a. 01 thru 05 jun in area within ten miles of…2022-05-27
- Survey operations 13 thru 21 feb by M/V havila phoenix with submersible along trackline joining 35-56.56N…2022-02-11
- Underwater operations by M/V handin tide: a. 01 thru 05 sep in area within ten miles of 37-30-00N 015-23-02E2021-08-30
- Underwater operations 15 thru 19 jul notice by M/V hercules in area bound by 36-19.50N 014-53.28E,…2021-07-14
- Survey operations in progress until 22 jul in areas bound by: a. 35-54.54N 012-48.96E, 35-54.54N 012-55.38E,…2021-06-25
- Survey operations in progress until 15 jul by M/V astrea in area bound by 37-25.7N 012-35.8E, 37-25.7N…2021-06-08
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 2026-10-02 03:46Z; 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.