Cable ops

Cable operations 240800Z to 290800Z apr by cableship leon thevenin with submersible in area bound by…

North Atlantic Ocean · HYDROLANT 666/07

What this record establishes

Archived notice · 2007-04-29 09:00Z

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 II 154/07 220442Z APR 07.. Issued 2007-04-22 08:04Z. 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
North Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Atlantic Ocean →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2007-04-24 08:00Z2007-04-29 08:00Z—120 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2007-04-22 08:04Z
status
Archived notice
self-cancels
2007-04-29 09:00Z
authority
NAVAREA II 154/07 220442Z APR 07.
NAVAREA
NAVAREA II · named as the source of this relay
sea
North Atlantic Ocean
position
14.893, -23.496
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. CABLE OPERATIONS 240800Z TO 290800Z APR
   BY CABLESHIP LEON THEVENIN WITH SUBMERSIBLE
   IN AREA BOUND BY
   14-53.8N 023-30.2W, 14-53.7N 023-29.4W,
   14-53.3N 023-29.4W, 14-53.6N 023-30.2W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 290900Z APR.

Reading this warning

Cable operations
A ship is laying, burying or repairing a submarine cable, usually along a stated route.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
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

9 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now

03
05
10
15
20
23

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 07:44Z; 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.