Cable ops

Seismic survey in progress until 20 apr by M/V western patriot towing eight 7000 meter long cables in area…

South China Sea · HYDROPAC 677/13

issued: 2013-03-09 13:34Z
status: cancelled 2013-04-21 00:01Z (archive)
cancels: HYDROPAC 637/13
authority: NAVAREA XI 147/13 091146Z MAR 13.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
1. SEISMIC SURVEY IN PROGRESS UNTIL 20 APR
   BY M/V WESTERN PATRIOT TOWING EIGHT
   7000 METER LONG CABLES
   IN AREA BETWEEN
   05-08N 05-48N AND 104-01E 104-53E.
2. CANCEL HYDROPAC 637/13.
3. CANCEL THIS MSG 21 APR 13.

Timeline

Seismic survey in progress until 30 mar by M/V western patriot towing eight 7000 meter long cables in area…cancels · 2013-03-05
Seismic survey in progress until 30 mar by M/V western patriot towing eight 7000 meter long cables in area…replaced · 2013-03-05

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

40 cable & pipeline work in force · see all

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.