Underwater operations in progress until further notice within 500 yards of 44-37.6N 013-55.9E
Adriatic Sea · HYDROLANT 854/01
What this record establishes
Archived notice · 2001-05-04 09:15Z
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) · MARIDIPART ANCONA 12/01 140912A MAR 01. Issued 2001-03-14 14:28Z. 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
- Adriatic Sea. The parsed report position is 44.627, 13.932 with a 0.2 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2001-03-14 14:28Z
- status
- Archived notice
- authority
- MARIDIPART ANCONA 12/01 140912A MAR 01
- issued by
- MARIDIPART ANCONA
- sea
- Adriatic Sea
- position
- 44.627, 13.932 · r 0.2 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE WITHIN 500 YARDS OF 44-37.6N 013-55.9E. 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.
- 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
42 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.
- Underwater operations 04 thru 31 oct within 500 meters of 44-40.27N 013-12.48E2015-10-03
- Underwater operations in progress until 202359Z dec by M/V northern explorer in area bound by 44-40.5N…2013-12-16
- Underwater operations in progress until further notice by M/V northern explorer in area bound by 44-44N…2013-12-11
- Underwater operations in progress until further notice by M/V northern explorer in area bound by 42-06.1N…2013-11-16
- Underwater operations in progress until 11 nov by M/V northern explorer in area bound by 42-52.2N 016-03.1E,…2013-11-10
- Underwater operations in progress until 26 oct by M/V northern explorer along trackline joining 43-25.6N…2013-10-24
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 2026-10-01 18:23Z; 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.