Cable ops

Cable operations 14 thru 18 dec, alternate 19 thru 21 dec by cableship kddi ocean link in area bound by…

Eastern China Sea · HYDROPAC 3562/22

What this record establishes

Archived notice · 2022-12-19 13:16Z

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 448/22 121202Z DEC 22.. Issued 2022-12-12 12:54Z. 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 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 Eastern China Sea →

issued
2022-12-12 12:54Z
status
Archived notice
self-cancels
2022-12-22 00:01Z
authority
NAVAREA XI 448/22 121202Z DEC 22.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Eastern China Sea
position
25.748, 121.747
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EAST CHINA SEA.
TAIWAN.
DNC 23.
1. CABLE OPERATIONS 14 THRU 18 DEC, ALTERNATE 19 THRU 21 DEC
   BY CABLESHIP KDDI OCEAN LINK IN AREA BOUND BY
   25-51.36N 122-02.37E, 25-48.43N 121-54.25E,
   25-53.90N 122-01.11E, 25-50.89N 121-53.04E,
   25-43.36N 121-36.99E, 25-37.62N 121-26.72E,
   25-40.94N 121-38.35E, 25-34.67N 121-28.90E.
2. CANCEL THIS MSG 220001Z DEC 22.

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.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
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.

All warning terms →

Collected reports in this area · cable & pipeline work

143 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

24 cable & pipeline work listed in force · see all

Record snapshot 2026-10-02 01:57Z; 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.