Cable ops

Underwater cable operations 16 sep thru 06 oct by M/V northern river in vicinity of trackline joining 24-51N…

Eastern China Sea · HYDROPAC 1479/01

What this record establishes

Archived notice · 2001-10-07 00:00Z

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 619/01 110805Z SEP 01. Issued 2001-09-11 09:18Z. 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
Eastern China Sea. 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 Eastern China Sea →

issued
2001-09-11 09:18Z
status
Archived notice
authority
NAVAREA XI 619/01 110805Z SEP 01
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Eastern China Sea
position
24.257, 123.474
vessel
M/V NORTHERN RIVER
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER CABLE OPERATIONS 16 SEP THRU 06 OCT
   BY M/V NORTHERN RIVER IN VICINITY OF TRACKLINE JOINING
   24-51N 121-50E, 25-04N 122-15E, 25-00N 122-31E, 24-25N 122-36E,
   24-01N 122-42E, 23-50N 123-54E, 23-51N 124-00E, 24-11N 125-04E,
   23-59N 125-29E.
2. CANCEL THIS MSG 07 OCT.

Reading this warning

Cable operations
A ship is laying, burying or repairing a submarine cable, usually along a stated route.
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

163 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 07:10Z; 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.