Cable ops

Cable operations 31 jul until further notice by cableship leon thevenin in area bound by 23-15S 042-35E,…

Mozambique Channel · HYDROPAC 2423/19

What this record establishes

Archived notice · 2019-08-23 19:16Z

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 VII 287/19 290932Z JUL 19.. Issued 2019-07-29 12:43Z. 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
Mozambique Channel. 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 Mozambique Channel →

issued
2019-07-29 12:43Z
status
Archived notice
authority
NAVAREA VII 287/19 290932Z JUL 19.
NAVAREA
NAVAREA VII · named as the source of this relay
sea
Mozambique Channel
position
-23.333, 43.075
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

MOZAMBIQUE CHANNEL.
MADAGASCAR.
DNC 02.
CABLE OPERATIONS 31 JUL UNTIL FURTHER NOTICE BY
CABLESHIP LEON THEVENIN IN AREA BOUND BY
23-15S 042-35E, 23-15S 043-34E,
23-25S 043-34E, 23-25S 042-35E.
WIDE BERTH REQUESTED.

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.
Cable operations
A ship is laying, burying or repairing a submarine cable, usually along a stated route.
Until further notice
The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
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.

All warning terms →

Collected reports in this area · cable & pipeline work

4 within 180 nm since 2010 · 0 in the last 12 months · 0 listed in force now

10
15
19

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 08:57Z; 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.