Cable ops

Cable operations in progress until 03 sep by cableship ile de aix in area bound by 58-22N 078-25W, 57-43N…

Hudson Bay · NAVAREA IV 751/21

What this record establishes

Archived notice · 2021-09-04 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) · MCTS 242346Z AUG 21.. Issued 2021-08-25 01:26Z. 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
Hudson Bay. 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 Hudson Bay →

issued
2021-08-25 01:26Z
status
Archived notice
authority
MCTS 242346Z AUG 21.
NAVAREA
NAVAREA IV
issued by
MCTS
sea
Hudson Bay
position
57.542, -77.046
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

HUDSON BAY.
CANADA.
1. CABLE OPERATIONS IN PROGRESS UNTIL 03 SEP
   BY CABLESHIP ILE DE AIX IN AREA BOUND BY
   58-22N 078-25W, 57-43N 077-15W,
   57-22N 077-01W, 56-30N 076-52W,
   56-30N 076-43W, 57-22N 076-51W,
   57-43N 077-04W, 58-05N 077-40W,
   58-23N 078-21W, 58-22N 078-25W.
   WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 735/21.
3. CANCEL THIS MSG 04 SEP 21.

Reading this warning

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.
NAVAREA
One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
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

7 within 180 nm since 2021 · 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.

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 09:57Z; 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.