Underwater operations 10 sep until further notice by M/V certamen along trackline joining 37-39.58N…
Mediterranean Sea - Western Basin · HYDROLANT 1476/04
What this record establishes
Archived notice · 2004-10-01 16:30Z
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) · MARISICILIA 383/04 081205Z SEP 04.. Issued 2004-09-09 18:18Z. 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
- Mediterranean Sea - Western Basin. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Derelict 12 meter vessel, azure hull, partially submerged and adrift in 35-14.6N 012-33.0Elater cancellation notice
Current notices and reporting history in the Mediterranean Sea - Western Basin →
- issued
- 2004-09-09 18:18Z
- status
- Archived notice
- authority
- MARISICILIA 383/04 081205Z SEP 04.
- issued by
- MARISICILIA
- sea
- Mediterranean Sea - Western Basin
- position
- 37.556, 11.150
- vessel
- M/V CERTAMEN · 30 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS 10 SEP UNTIL FURTHER NOTICE BY M/V CERTAMEN ALONG TRACKLINE JOINING 37-39.58N 012-34.15E, 37-38.19N 012-32.52E, 37-38.92N 012-30.48E, 35-56.58N 011-48.06E, 38-23.17N 010-52.01E, 38-25.34N 010-45.98E, 38-29.47N 010-44.70E, 38-30.65N 010-33.64E, 38-39.51N 010-08.29E, 38-47.82N 009-46.70E, 38-51.38N 009-39.44E, 38-53.48N 009-32.66E, 38-54.20N 009-31.97E, 38-54.72N 009-29.67E, 39-03.37N 009-11.45E, 39-07.90N 009-06.50E, 39-11.15N 009-03.10E.
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.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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.
Collected reports in this area · survey operations
236 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 in progress until further notice by M/V joides resolution in: a. 40-11.03N 012-42.49E2024-02-16
- Survey operations 08 thru 30 jun by M/V mg worker in area bound by 39-20.63N 008-17.09E, 39-20.63N…2022-06-07
- Survey operations 10 apr thru 10 may by M/V dalla porta in: a. 37-23.06N 011-35.59E2022-04-08
- Survey operations 13 thru 21 feb by M/V havila phoenix with submersible along trackline joining 35-56.56N…2022-02-11
- Survey operations in progress until 12 mar 22 by M/V artabro in area bound by 36-46.3N 011-01.8E, 37-01.5N…2021-10-30
- Survey operations in progress until 12 mar 22 by M/V viccica in area bound by 36-48.5N 011-02.9E, 36-46.8N…2021-10-30
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 02:36Z; 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.