Surveys

Survey operations in progress until 31 may by M/V ptsc researcher towing 1500 meter long cable and M/V ptsc…

South China Sea · HYDROPAC 890/17

issued
2017-03-15 12:59Z
status
cancelled 2017-06-01 00:01Z (archive)
authority
HAIPHONG RADIO 151243Z MAR 17.
position
6.957, 104.554
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
DNC 03.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 MAY BY
   M/V PTSC RESEARCHER TOWING 1500 METER LONG CABLE
   AND M/V PTSC SURVEYOR IN AREA BOUND BY
   06-58.38N 104-33.22E, 06-57.82N 104-34.16E,
   06-56.42N 104-33.31E, 06-56.98N 104-32.38E.
   THREE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 01 JUN 17.

This area · survey operations

7 within 180 nm since 2010 · 1 in the last 12 months · 1 in force now

10
15
20
25
26

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

73 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.