Cable ops

Underwater operations in progress by cableship ile de brehat in area bound by 33-42S 151-18E, 33-42S…

Tasman Sea · HYDROPAC 106/20

What this record establishes

Archived notice · 2020-01-17 22:06Z

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) · AUSCOAST 13/20 082006Z JAN 20.. Issued 2020-01-09 12:17Z. 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
Tasman Sea. 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 Tasman Sea →

issued
2020-01-09 12:17Z
status
Archived notice
authority
AUSCOAST 13/20 082006Z JAN 20.
issued by
AUSCOAST
sea
Tasman Sea
position
-33.717, 151.483
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

TASMAN SEA.
AUSTRALIA-EAST COAST.
DNC 05.
1. UNDERWATER OPERATIONS IN PROGRESS BY
   CABLESHIP ILE DE BREHAT IN AREA BOUND BY
   33-42S 151-18E, 33-42S 151-40E,
   33-44S 151-40E, 33-44S 151-18E.
   THREE MILE BERTH REQUESTED.
2. CANCEL HYDROPAC 101/20.

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.
Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
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.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.

All warning terms →

Collected reports in this area · cable & pipeline work

36 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
21

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 2026-10-01 20:25Z; 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.