Cable ops

Underwater operations in progress until 05 may by cableship teneo in vicinity of 02-27.34N 104-43.52E

South China Sea · HYDROPAC 1436/23

What this record establishes

Archived notice · 2023-05-06 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 XI 153/23 010000Z MAY 23.. Issued 2023-05-01 01:00Z. 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
South China Sea. The parsed report position is 2.456, 104.725. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the South China Sea →

issued
2023-05-01 01:00Z
status
Archived notice
self-cancels
2023-05-06 00:01Z
authority
NAVAREA XI 153/23 010000Z MAY 23.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
South China Sea
position
2.456, 104.725
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
MALAYSIA.
DNC 03.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 05 MAY BY
   CABLESHIP TENEO IN VICINITY OF 02-27.34N 104-43.52E.
2. CANCEL HYDROPAC 1408/23.
3. CANCEL THIS MSG 060001Z MAY 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.
Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
Cable operations
A ship is laying, burying or repairing a submarine cable, usually along a stated route.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
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

157 within 180 nm since 1999 · 10 in the last 12 months · 2 listed in force now

99
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

Worldwide in the collected sources

24 cable & pipeline work listed in force · see all

Record snapshot 2026-10-01 21:47Z; 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.