Surveys

Underwater operations in progress until 30 jul in area bound by 18-43N 110-58E, 18-43N 111-20E, 18-15N…

South China Sea · HYDROPAC 1171/10

issued
2010-06-04 16:23Z
status
cancelled 2010-07-31 00:01Z (archive)
authority
NAVAREA XI 399/10 041211Z JUN 10.
sea
South China Sea
position
18.323, 110.878
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL 30 JUL IN AREA BOUND BY
   18-43N 110-58E, 18-43N 111-20E,
   18-15N 111-20E, 18-15N 111-10E,
   18-00N 111-10E, 18-00N 110-20E,
   18-21N 110-20E, 18-21N 110-34E,
   18-25N 110-34E, 18-25N 110-40E,
   18-35N 110-40E, 18-35N 110-50E,
   18-40N 110-50E, 18-40N 110-53E,
   18-43N 110-53E.
2. CANCEL THIS MSG 31 JUL.

This area · survey operations

9 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now

02
05
10
15
19

Season · when survey operations 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

83 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

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.