Cable ops

Seismic survey in progress until 30 nov by vessel towing six 6000 meter long cables in area bound by 17-24N…

South China Sea · Gulf of Tonkin · HYDROPAC 2500/12

issued
2012-08-31 08:29Z
status
cancelled 2012-12-01 00:01Z (archive)
authority
NAVAREA XI 591/12 310724Z AUG 12.
sea
South China Sea
position
17.378, 109.759
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
GULF OF TONKIN.
1. SEISMIC SURVEY IN PROGRESS UNTIL 30 NOV
   BY VESSEL TOWING SIX 6000 METER LONG
   CABLES IN AREA BOUND BY
   17-24N 109-14E, 17-47N 109-52E,
   17-10N 110-15E, 17-05N 110-06E,
   17-12N 109-22E.
2. CANCEL THIS MSG 01 DEC 12.

This area · cable & pipeline work

35 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
15
16

Season · when cable & pipeline work happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

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.