Surveys

Underwater operations in progress until 30 jun in area bound by 19-58-00N 115-22-15E, 19-57-30N 115-26-30E,…

South China Sea · HYDROPAC 1591/12

issued
2012-06-07 08:48Z
status
cancelled 2012-07-01 00:01Z (archive)
authority
NAVAREA XI 351/12 070626Z JUN 12.
position
19.924, 115.441
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   30 JUN IN AREA BOUND BY
   19-58-00N 115-22-15E, 19-57-30N 115-26-30E,
   19-56-45N 115-28-45E, 19-54-15N 115-30-30E,
   19-52-45N 115-26-45E, 19-53-30N 115-25-00E.
2. CANCEL THIS MSG 01 JUL.

This area · survey operations

6 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

12
15
20
22

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

Worldwide now

75 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.