Cable ops

Cable operations 21 feb thru 10 mar by cableship resolute in area bound by 27-50.40N 139-54.50E, 28-11.20N…

Philippine Sea · HYDROPAC 537/23

What this record establishes

Archived notice · 2023-03-10 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 48/23 161201Z FEB 23.. Issued 2023-02-16 12:44Z. 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
Philippine 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 Philippine Sea →

issued
2023-02-16 12:44Z
status
Archived notice
self-cancels
2023-03-11 00:01Z
authority
NAVAREA XI 48/23 161201Z FEB 23.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Philippine Sea
position
27.983, 140.467
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINE SEA.
JAPAN.
DNC 12.
1. CABLE OPERATIONS 21 FEB THRU 10 MAR
   BY CABLESHIP RESOLUTE IN AREA BOUND BY
   27-50.40N 139-54.50E, 28-11.20N 140-09.10E,
   28-08.90N 140-58.10E, 27-52.90N 141-01.80E,
   27-49.30N 140-40.00E, 27-54.40N 140-19.70E,
   27-41.00N 140-09.50E.
2. CANCEL THIS MSG 110001Z MAR 23.

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

11 within 180 nm since 2008 · 1 in the last 12 months · 0 listed in force now

08
10
15
20
25

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

Worldwide in the collected sources

22 cable & pipeline work listed in force · see all

Record snapshot 2026-09-26 18:43Z; 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.