Survey operations in progress until 30 dec by cableship lida in area bound by 41-38N 004-20E, 41-36N…
Mediterranean Sea - Western Basin · HYDROLANT 4057/18
What this record establishes
Archived notice · 2018-12-31 00:01Z
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) · NAVAREA III 1121/18 281212Z DEC 18.. Issued 2018-12-28 23:32Z. 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 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 Mediterranean Sea - Western Basin →
- issued
- 2018-12-28 23:32Z
- status
- Archived notice
- authority
- NAVAREA III 1121/18 281212Z DEC 18.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Mediterranean Sea - Western Basin
- position
- 41.783, 4.802
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN MEDITERRANEAN SEA. SPAIN. DNC 08. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 DEC BY CABLESHIP LIDA IN AREA BOUND BY 41-38N 004-20E, 41-36N 004-22E, 41-45N 004-31E, 41-40N 004-33E, 41-49N 004-50E, 41-45N 004-50E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 4021/18. 3. CANCEL THIS MSG 31 DEC 18.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
58 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 290001Z apr until further notice by cableship sophie germain in area bound by…2024-04-25
- Cable operations 161400Z to 182359Z apr by cableship raymond croze in area within three miles of 42-48.00N…2023-04-14
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 41-34.85N…2022-11-20
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 42-41.20N…2022-11-16
- Cable operations in progress until 25 nov by cableship teliri along trackline joining 41-05.40N 003-38.60E,…2022-11-16
- Cable operations in progress until further notice by M/V ile de sein along trackline joining 41-24.51N…2022-10-29
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
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 18:04Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.