Cable ops

Underwater and seismic survey 082300Z to 112300Z jan in areas: a. between 47-20N 47-00N and 007-40W 007-00W

Bay of Biscay · HYDROLANT 40/06

What this record establishes

Archived notice · 2006-01-12 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 II 4/06 061512Z JAN 06.. Issued 2006-01-06 17:26Z. 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
Bay of Biscay. 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 Bay of Biscay →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2006-01-08 23:00Z2006-01-11 23:00Z—72 h

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

issued
2006-01-06 17:26Z
status
Archived notice
self-cancels
2006-01-12 00:01Z
authority
NAVAREA II 4/06 061512Z JAN 06.
NAVAREA
NAVAREA II · named as the source of this relay
sea
Bay of Biscay
position
45.278, -4.056
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER AND SEISMIC SURVEY 082300Z TO 112300Z JAN
   IN AREAS:
   A. BETWEEN 47-20N 47-00N AND 007-40W 007-00W.
   B. BOUND BY
      45-00N 004-20W, 45-40N 004-20W,
      45-40N 004-00W, 45-20N 004-00W,
      45-20N 003-40W, 45-00N 003-40W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 120001Z JAN.

Reading this warning

Seismic survey
A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
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.
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

55 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
24

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

23 cable & pipeline work listed in force · see all

Record snapshot 2026-10-03 00:06Z; 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.