Cable ops

Seismic survey by vessel kairei towing 6000 meter long cable: a. 16 thru 20 and 25 thru 29 dec along…

North Pacific Ocean · HYDROPAC 3528/12

What this record establishes

Archived notice · 2012-12-14 00:12Z

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 XI 824/12 12 DEC 12.. Issued 2012-12-12 01:29Z. 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 Pacific Ocean. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Pacific Ocean →

issued
2012-12-12 01:29Z
status
Archived notice
authority
NAVAREA XI 824/12 12 DEC 12.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
North Pacific Ocean
position
36.755, 145.612
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
1. SEISMIC SURVEY BY VESSEL KAIREI TOWING
   6000 METER LONG CABLE:
   A. 16 THRU 20 AND 25 THRU 29 DEC
      ALONG TRACKLINE BETWEEN
      34-59.3N 150-24.4E AND 37-50.4N 141-07.1E.
   B. 06 AND 07 JAN 13 ALONG TRACKLINE BETWEEN
      39-29.8N 145-33.2E AND 35-45.3N 144-54.0E.
2. CANCEL THIS MSG 08 JAN 13.

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.
Towed array / streamer
Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
Tow / towing
A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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.
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

6 within 180 nm since 2000 · 1 in the last 12 months · 0 listed in force now

00
05
10
15
20
25
26

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 2026-09-27 02:33Z; 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.