Surveys
Survey operations in progress until 30 jun by vessel towing 3800 meter long cable in area bound by 18-45.1N…
HYDROPAC 957/02
- issued
- 2002-05-23 14:57Z
- status
- cancelled 2002-06-12 16:42Z (archive)
- authority
- NAVAREA XI 320/02 POR EGC#302 231202Z MAY 02
- sea
- South China Sea
- position
- 18.727, 111.403
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 JUN BY VESSEL TOWING 3800 METER LONG CABLE IN AREA BOUND BY 18-45.1N 111-14.4E, 18-58.6N 111-30.3E, 18-42.7N 111-35.2E, 18-28.5N 111-16.1E. 2. CANCEL THIS MSG 01 JUL.
This area · survey operations
6 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
02
05
10
14
- Underwater operations in progress until 30 apr in area bound by 17-59.7N 111-57.5E, 17-53.6N 112-01.4E,…2014-04-28
- Underwater operations in progress until 25 jun within two miles of 19-22-59N 112-05-27E2012-06-07
- Drilling operations in progress until 10 may by drilling vessel nanhai 4 within 2000 meters of 18-36.3N…2011-04-21
- Underwater operations in progress until 30 jul in area bound by 18-43N 110-58E, 18-43N 111-20E, 18-15N…2010-06-04
- Survey operations in progress until 30 sep by M/V towing 5000 meter long cable in area bound by 16-29.9N…2006-08-15
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
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N
D
month of issue, all years in the archive
Timeline
- Cancel HYDROPAC 957/02 and this msg, operations completedcancelled by · 2002-06-12
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.