Cable ops

Survey operations in progress until 29 dec by cableship lida in area bound by 41-23.0N 003-47.0E, 41-20.0N…

Mediterranean Sea - Western Basin · HYDROLANT 4021/18

What this record establishes

Archived notice · 2018-12-30 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 1102/18 261200Z DEC 18.. Issued 2018-12-26 12:10Z. 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
2018-12-26 12:10Z
status
Archived notice
authority
NAVAREA III 1102/18 261200Z DEC 18.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Mediterranean Sea - Western Basin
position
41.580, 4.337
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 29 DEC
   BY CABLESHIP LIDA IN AREA BOUND BY
   41-23.0N 003-47.0E, 41-20.0N 003-47.0E,
   41-23.0N 003-52.0E, 41-20.0N 003-53.0E,
   41-29.0N 004-12.0E, 41-45.0N 004-50.0E,
   41-49.0N 004-50.0E, 41-45.0N 004-31.0E,
   41-40.0N 004-33.0E, 41-32.0N 004-09.0E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 30 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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · cable & pipeline work

62 within 180 nm since 1999 · 1 in the last 12 months · 1 listed in force now

99
00
05
10
15
20
25
26

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

24 cable & pipeline work listed in force · see all

Record snapshot 2026-10-02 12:30Z; 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.